Thanatos Weather
Thursday, Dec 25, 2025 22:17:56

Products in the Last Seven Days
Type Phenomena Count
AdvisorySmall Craft259
AdvisoryWinter Weather174
AdvisoryDense Fog148
WarningGale134
AdvisoryWind124
AdvisoryAreal Flood94
WatchGale87
WarningHigh Wind79
WarningFlash Flood50
WarningWinter Storm43
WarningSevere Thunderstorm40
WatchHigh Wind39
WatchWinter Storm34
WarningFire Weather21
WatchAreal Flood16
WarningStorm14
WarningHazardous Seas11
WatchStorm8
WatchFlood7
AdvisoryLake Wind7
WatchFire Weather6
WarningIce Accretion5
WarningIce Storm4
WarningTornado3
AdvisoryIce Accretion3
WatchIce Accretion2
WarningBlizzard2
AdvisoryLow Water1
AdvisoryBlowing Dust1
AdvisoryFlood1
AdvisoryFrost1
AdvisoryFreezing Fog1
Most Active Forecast Offices
Forecast Office Products
Eureka, CA70
Los Angeles / Oxnard, CA61
San Francisco Bay Area / Monterey, CA59
Duluth, MN58
Medford, OR57
Boston, MA48
Buffalo, NY41
Portland, OR41
Seattle, WA40
Mount Holly / Philadelphia, NJ38
Baltimore / Washington, VA37
San Joaquin Valley / Hanford, CA36
Riverton, WY29
New York / Upton, NY28
Gray / Portland, ME28
Gaylord, MI25
Reno, NV24
Wakefield, VA24
Baton Rouge, LA22
Caribou, ME22
Product Count by Day
Date Warn Watch Advis.
2025-12-2550 4151
2025-12-2475 19171
2025-12-2335 2189
2025-12-2231 2281
2025-12-219 1963
2025-12-2024 899
2025-12-1969 2165
2025-12-1870 1978
2025-12-1757 4757
Particularly Dangerous Situations
Product Forecast Office
No PDS products in the last 7 days.
Home
Return to list
Gale Warning 0040
Issued by the Milwaukee / Sullivan Forecast Office

Action Issued Starts Expiration
New 2025-12-19 14:13:23 2025-12-20 15:00:00 2025-12-21 03:00:00
New 2025-12-19 14:13:23 2025-12-20 01:00:00 2025-12-21 03:00:00
New 2025-12-19 14:13:23 2025-12-20 01:00:00 2025-12-21 03:00:00
New 2025-12-19 14:13:23 2025-12-20 01:00:00 2025-12-21 03:00:00
Continued 2025-12-19 21:04:04 2025-12-20 01:00:00 2025-12-21 03:00:00
Continued 2025-12-19 21:04:04 2025-12-20 15:00:00 2025-12-21 03:00:00
Continued 2025-12-20 02:18:11 2025-12-20 15:00:00 2025-12-21 03:00:00
Continued 2025-12-20 02:18:11 2025-12-21 03:00:00
Continued 2025-12-20 09:14:45 2025-12-20 15:00:00 2025-12-21 03:00:00
Continued 2025-12-20 09:14:45 2025-12-21 03:00:00
Continued 2025-12-20 14:44:24 2025-12-20 15:00:00 2025-12-21 03:00:00
Continued 2025-12-20 14:44:24 2025-12-21 03:00:00
Continued 2025-12-20 20:09:32 2025-12-21 03:00:00
Continued 2025-12-20 20:09:32 2025-12-21 03:00:00
Continued 2025-12-21 02:19:12 2025-12-21 03:00:00
Continued 2025-12-21 02:19:12 2025-12-21 03:00:00


Action: New
Issued At: 2025-12-19 14:13:23

506 
WHUS73 KMKX 192012
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
212 PM CST Fri Dec 19 2025

LMZ261-362-364-563-200415-
/O.EXP.KMKX.GL.W.0039.000000T0000Z-251219T2000Z/
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 6 to 11 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The previous Gale Warning over the northern
  third of the open waters has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-200415-
/O.EXP.KMKX.SC.Y.0115.000000T0000Z-251219T2000Z/
/O.EXT.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.NEW.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
212 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
3 PM CST SATURDAY...
...GALE WARNING IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 35 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, from 11 PM this evening 
  to 3 PM CST Saturday. For the Gale Warning, from 3 PM Saturday 
  to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The Small Craft Advisory from early this
  afternoon has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ366-565-567-669-671-673-675-868-870-872-874-876-200415-
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft expected.

* WHERE...Central Third of the Open Waters of Lake Michigan, 
  Lake Michigan from North Point Light to Wind Point WI 5NM 
  offshore to Mid Lake, Lake Michigan from Wind Point WI to 
  Winthrop Harbor IL 5NM offshore to Mid Lake, Lake Michigan 
  from Holland to Grand Haven MI 5NM offshore to Mid Lake, and 
  Lake Michigan from South Haven to Holland MI 5NM offshore to 
  Mid lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-777-779-878-200415-
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 10 ft expected.

* WHERE...Lake Michigan Michigan City IN to St. Joseph MI 5 NM 
  offshore to mid-line of lake., Lake Michigan from Winthrop 
  Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Lake 
  Michigan from Wilmette Harbor to Michigan City in 5NM offshore 
  to Mid Lake and Lake Michigan from St Joseph to South Haven MI 
  5NM offshore to Mid Lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: New
Issued At: 2025-12-19 14:13:23

506 
WHUS73 KMKX 192012
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
212 PM CST Fri Dec 19 2025

LMZ261-362-364-563-200415-
/O.EXP.KMKX.GL.W.0039.000000T0000Z-251219T2000Z/
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 6 to 11 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The previous Gale Warning over the northern
  third of the open waters has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-200415-
/O.EXP.KMKX.SC.Y.0115.000000T0000Z-251219T2000Z/
/O.EXT.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.NEW.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
212 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
3 PM CST SATURDAY...
...GALE WARNING IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 35 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, from 11 PM this evening 
  to 3 PM CST Saturday. For the Gale Warning, from 3 PM Saturday 
  to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The Small Craft Advisory from early this
  afternoon has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ366-565-567-669-671-673-675-868-870-872-874-876-200415-
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft expected.

* WHERE...Central Third of the Open Waters of Lake Michigan, 
  Lake Michigan from North Point Light to Wind Point WI 5NM 
  offshore to Mid Lake, Lake Michigan from Wind Point WI to 
  Winthrop Harbor IL 5NM offshore to Mid Lake, Lake Michigan 
  from Holland to Grand Haven MI 5NM offshore to Mid Lake, and 
  Lake Michigan from South Haven to Holland MI 5NM offshore to 
  Mid lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-777-779-878-200415-
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 10 ft expected.

* WHERE...Lake Michigan Michigan City IN to St. Joseph MI 5 NM 
  offshore to mid-line of lake., Lake Michigan from Winthrop 
  Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Lake 
  Michigan from Wilmette Harbor to Michigan City in 5NM offshore 
  to Mid Lake and Lake Michigan from St Joseph to South Haven MI 
  5NM offshore to Mid Lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: New
Issued At: 2025-12-19 14:13:23

506 
WHUS73 KMKX 192012
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
212 PM CST Fri Dec 19 2025

LMZ261-362-364-563-200415-
/O.EXP.KMKX.GL.W.0039.000000T0000Z-251219T2000Z/
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 6 to 11 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The previous Gale Warning over the northern
  third of the open waters has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-200415-
/O.EXP.KMKX.SC.Y.0115.000000T0000Z-251219T2000Z/
/O.EXT.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.NEW.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
212 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
3 PM CST SATURDAY...
...GALE WARNING IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 35 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, from 11 PM this evening 
  to 3 PM CST Saturday. For the Gale Warning, from 3 PM Saturday 
  to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The Small Craft Advisory from early this
  afternoon has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ366-565-567-669-671-673-675-868-870-872-874-876-200415-
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft expected.

* WHERE...Central Third of the Open Waters of Lake Michigan, 
  Lake Michigan from North Point Light to Wind Point WI 5NM 
  offshore to Mid Lake, Lake Michigan from Wind Point WI to 
  Winthrop Harbor IL 5NM offshore to Mid Lake, Lake Michigan 
  from Holland to Grand Haven MI 5NM offshore to Mid Lake, and 
  Lake Michigan from South Haven to Holland MI 5NM offshore to 
  Mid lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-777-779-878-200415-
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 10 ft expected.

* WHERE...Lake Michigan Michigan City IN to St. Joseph MI 5 NM 
  offshore to mid-line of lake., Lake Michigan from Winthrop 
  Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Lake 
  Michigan from Wilmette Harbor to Michigan City in 5NM offshore 
  to Mid Lake and Lake Michigan from St Joseph to South Haven MI 
  5NM offshore to Mid Lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: New
Issued At: 2025-12-19 14:13:23

506 
WHUS73 KMKX 192012
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
212 PM CST Fri Dec 19 2025

LMZ261-362-364-563-200415-
/O.EXP.KMKX.GL.W.0039.000000T0000Z-251219T2000Z/
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 6 to 11 ft expected.

* WHERE...Northern Third of the Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The previous Gale Warning over the northern
  third of the open waters has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-200415-
/O.EXP.KMKX.SC.Y.0115.000000T0000Z-251219T2000Z/
/O.EXT.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.NEW.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
212 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
3 PM CST SATURDAY...
...GALE WARNING IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 35 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, from 11 PM this evening 
  to 3 PM CST Saturday. For the Gale Warning, from 3 PM Saturday 
  to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL DETAILS...The Small Craft Advisory from early this
  afternoon has expired.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ366-565-567-669-671-673-675-868-870-872-874-876-200415-
/O.UPG.KMKX.GL.A.0033.251220T2100Z-251221T0900Z/
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft expected.

* WHERE...Central Third of the Open Waters of Lake Michigan, 
  Lake Michigan from North Point Light to Wind Point WI 5NM 
  offshore to Mid Lake, Lake Michigan from Wind Point WI to 
  Winthrop Harbor IL 5NM offshore to Mid Lake, Lake Michigan 
  from Holland to Grand Haven MI 5NM offshore to Mid Lake, and 
  Lake Michigan from South Haven to Holland MI 5NM offshore to 
  Mid lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-777-779-878-200415-
/O.NEW.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
212 PM CST Fri Dec 19 2025

...GALE WARNING IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and 
  waves 7 to 10 ft expected.

* WHERE...Lake Michigan Michigan City IN to St. Joseph MI 5 NM 
  offshore to mid-line of lake., Lake Michigan from Winthrop 
  Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Lake 
  Michigan from Wilmette Harbor to Michigan City in 5NM offshore 
  to Mid Lake and Lake Michigan from St Joseph to South Haven MI 
  5NM offshore to Mid Lake.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-19 21:04:04

258 
WHUS73 KMKX 200303
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
903 PM CST Fri Dec 19 2025

LMZ643>646-201115-
/O.CON.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
903 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST
SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 40 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST Saturday. 
  For the Gale Warning, from 3 PM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-201115-
/O.CON.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
903 PM CST Fri Dec 19 2025

...GALE WARNING REMAINS IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST
SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  8 to 13 ft expected.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-19 21:04:04

258 
WHUS73 KMKX 200303
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
903 PM CST Fri Dec 19 2025

LMZ643>646-201115-
/O.CON.KMKX.SC.Y.0116.251220T0500Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
903 PM CST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM SATURDAY TO 3 AM CST
SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 35 kt and waves 5 to 8 ft expected. For 
  the Gale Warning, west winds 20 to 30 kt with gusts up to 40 
  kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST Saturday. 
  For the Gale Warning, from 3 PM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-201115-
/O.CON.KMKX.GL.W.0040.251220T0700Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
903 PM CST Fri Dec 19 2025

...GALE WARNING REMAINS IN EFFECT FROM 1 AM SATURDAY TO 3 AM CST
SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  8 to 13 ft expected.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...From 1 AM Saturday to 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-20 02:18:11

262 
WHUS73 KMKX 200817
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
217 AM CST Sat Dec 20 2025

LMZ643>646-201800-
/O.CON.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
217 AM CST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM CST SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 5 to 8 ft. For the Gale 
  Warning, west winds 20 to 30 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-201800-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
217 AM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  8 to 13 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-20 02:18:11

262 
WHUS73 KMKX 200817
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
217 AM CST Sat Dec 20 2025

LMZ643>646-201800-
/O.CON.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
217 AM CST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM CST SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 5 to 8 ft. For the Gale 
  Warning, west winds 20 to 30 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-201800-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
217 AM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  8 to 13 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-20 09:14:45

291 
WHUS73 KMKX 201514
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
914 AM CST Sat Dec 20 2025

LMZ643>646-202315-
/O.CON.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
914 AM CST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM CST SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 5 to 8 ft. For the Gale 
  Warning, west winds 20 to 30 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-202315-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
914 AM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gale force gusts up to
  35 kt, becoming west 25 to 35 kt with gale force gusts to 40 kt.  
  Waves 8 to 13 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will arrive
  along a cold front earlier in the north half than the south
  half, between 3 PM and 9 PM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

MRC


Action: Continued
Issued At: 2025-12-20 09:14:45

291 
WHUS73 KMKX 201514
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
914 AM CST Sat Dec 20 2025

LMZ643>646-202315-
/O.CON.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
914 AM CST Sat Dec 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM CST SUNDAY...

* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 
  kt with gusts up to 30 kt and waves 5 to 8 ft. For the Gale 
  Warning, west winds 20 to 30 kt with gusts up to 35 kt 
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...For the Small Craft Advisory, until 3 PM CST this 
  afternoon. For the Gale Warning, from 3 PM this afternoon to 3 
  AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-202315-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
914 AM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Southwest winds 20 to 30 kt with gale force gusts up to
  35 kt, becoming west 25 to 35 kt with gale force gusts to 40 kt.  
  Waves 8 to 13 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will arrive
  along a cold front earlier in the north half than the south
  half, between 3 PM and 9 PM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

MRC


Action: Continued
Issued At: 2025-12-20 14:44:24

238 
WHUS73 KMKX 202044
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
244 PM CST Sat Dec 20 2025

LMZ643>646-210445-
/O.EXP.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
244 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON...

* WHAT...West winds 20 to 30 kt with gusts up to 35 kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210445-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
244 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

MRC


Action: Continued
Issued At: 2025-12-20 14:44:24

238 
WHUS73 KMKX 202044
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
244 PM CST Sat Dec 20 2025

LMZ643>646-210445-
/O.EXP.KMKX.SC.Y.0116.000000T0000Z-251220T2100Z/
/O.CON.KMKX.GL.W.0040.251220T2100Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
244 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON...

* WHAT...West winds 20 to 30 kt with gusts up to 35 kt expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210445-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
244 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...West winds 25 to 35 kt with gusts up to 40 kt and waves 
  7 to 12 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

MRC


Action: Continued
Issued At: 2025-12-20 20:09:32

433 
WHUS73 KMKX 210209
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
809 PM CST Sat Dec 20 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210900-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
809 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Northwest winds 25 to 35 kt and waves 7 to 12 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-210900-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
809 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-20 20:09:32

433 
WHUS73 KMKX 210209
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
809 PM CST Sat Dec 20 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210900-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
809 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Northwest winds 25 to 35 kt and waves 7 to 12 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-210900-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
809 PM CST Sat Dec 20 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST SUNDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST Sunday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-21 02:19:12

489 
WHUS73 KMKX 210818
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
218 AM CST Sun Dec 21 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210930-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
218 AM CST Sun Dec 21 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...

* WHAT...Northwest winds around 25 kt with gusts up to 30 kt and 
  waves 7 to 10 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST early this morning.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-210930-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
218 AM CST Sun Dec 21 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...

* WHAT...Northwest winds around 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST early this morning.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Action: Continued
Issued At: 2025-12-21 02:19:12

489 
WHUS73 KMKX 210818
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
218 AM CST Sun Dec 21 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210930-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
218 AM CST Sun Dec 21 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...

* WHAT...Northwest winds around 25 kt with gusts up to 30 kt and 
  waves 7 to 10 ft.

* WHERE...All Open Waters of Lake Michigan.

* WHEN...Until 3 AM CST early this morning.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

* ADDITIONAL INFORMATION...The stronger westerly winds will 
  arrive along a cold front earlier in the north half than the 
  south half, between 3 PM and 9 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ643>646-210930-
/O.CON.KMKX.GL.W.0040.000000T0000Z-251221T0900Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
218 AM CST Sun Dec 21 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...

* WHAT...Northwest winds around 20 kt with gusts up to 25 kt.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...Until 3 AM CST early this morning.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$



Page Loaded at: 2025-12-25 22:17:56 -- Client Address: 216.73.216.210 -- Refresh Time: seconds