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Small Craft Advisory 0031
Issued by the Milwaukee / Sullivan Forecast Office

Action Issued Starts Expiration
New 2026-03-21 09:13:14 2026-03-22 07:00:00 2026-03-23 01:00:00
Continued 2026-03-21 13:16:53 2026-03-22 07:00:00 2026-03-23 01:00:00
Continued 2026-03-21 14:57:26 2026-03-22 07:00:00 2026-03-23 01:00:00
Continued 2026-03-21 21:25:08 2026-03-22 07:00:00 2026-03-23 01:00:00
Time Extended 2026-03-21 23:13:12 2026-03-22 04:00:00 2026-03-23 01:00:00
Continued 2026-03-22 03:03:48 2026-03-22 04:00:00 2026-03-23 01:00:00
Continued 2026-03-22 07:15:40 2026-03-23 01:00:00
Upgraded 2026-03-22 07:15:40 2026-03-23 01:00:00
Continued 2026-03-22 12:49:52 2026-03-23 01:00:00
Time Extended 2026-03-22 21:34:06 2026-03-23 07:00:00
Time and Area Extended 2026-03-22 21:34:06 2026-03-22 22:00:00 2026-03-23 10:00:00
Continued 2026-03-23 03:02:46 2026-03-23 07:00:00
Continued 2026-03-23 03:02:46 2026-03-23 10:00:00
Time Extended 2026-03-23 09:46:17 2026-03-23 13:00:00


Action: New
Issued At: 2026-03-21 09:13:14

928 
WHUS73 KMKX 211412
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
912 AM CDT Sat Mar 21 2026

LMZ643>646-212215-
/O.NEW.KMKX.SC.Y.0030.260321T1600Z-260322T0100Z/
/O.NEW.KMKX.SC.Y.0031.260322T1200Z-260323T0600Z/
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-
912 AM CDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 1 AM CDT
MONDAY...

* WHAT...For the first Small Craft Advisory, south gusts 20 to 25
  kts. For the second Small Craft Advisory, north winds 15 to 20 
  kt with gusts up to 30 kt and waves 4 to 7 ft expected.

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

* WHEN...For the first Small Craft Advisory, until 8 PM CDT this 
  evening. For the second Small Craft Advisory, from 7 AM Sunday 
  to 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-21 13:16:53

895 
WHUS73 KMKX 211816
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
116 PM CDT Sat Mar 21 2026

LMZ643>646-220230-
/O.CON.KMKX.SC.Y.0030.000000T0000Z-260322T0100Z/
/O.CON.KMKX.SC.Y.0031.260322T1200Z-260323T0600Z/
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-
116 PM CDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM SUNDAY TO
1 AM CDT MONDAY...

* WHAT...For the first Small Craft Advisory, south gusts 20 to 25
  kts. For the second Small Craft Advisory, north winds 15 to 20
  kt with gusts up to 30 kt and waves 4 to 8 ft expected.

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

* WHEN...For the first Small Craft Advisory, until 8 PM CDT this 
  evening. For the second Small Craft Advisory, from 7 AM Sunday 
  to 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-21 14:57:26

367 
WHUS73 KMKX 211956
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
256 PM CDT Sat Mar 21 2026

LMZ643>646-220400-
/O.CON.KMKX.SC.Y.0030.000000T0000Z-260322T0100Z/
/O.CON.KMKX.SC.Y.0031.260322T1200Z-260323T0600Z/
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-
256 PM CDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM SUNDAY TO
1 AM CDT MONDAY...

* WHAT...For the first Small Craft Advisory, south winds with
  gusts of 20 to 25 knots. For the second Small Craft Advisory,
  north winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 8
  ft expected.

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

* WHEN...For the first Small Craft Advisory, until 8 PM CDT this 
  evening. For the second Small Craft Advisory, from 7 AM Sunday 
  to 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Sheppard


Action: Continued
Issued At: 2026-03-21 21:25:08

250 
WHUS73 KMKX 220224
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
924 PM CDT Sat Mar 21 2026

LMZ643>646-221030-
/O.CON.KMKX.SC.Y.0031.260322T1200Z-260323T0600Z/
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-
924 PM CDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM SUNDAY TO
1 AM CDT MONDAY...

* WHAT...For the first Small Craft Advisory, south winds with 
  gusts of 20 to 25 knots. For the second Small Craft Advisory, 
  north winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 
  8 ft expected.

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

* WHEN...For the first Small Craft Advisory, until 8 PM CDT this 
  evening. For the second Small Craft Advisory, from 7 AM Sunday 
  to 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-03-21 23:13:12

720 
WHUS73 KMKX 220412
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1112 PM CDT Sat Mar 21 2026

LMZ643>646-221215-
/O.EXT.KMKX.SC.Y.0031.260322T0900Z-260323T0600Z/
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-
1112 PM CDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 AM SUNDAY TO 1 AM
CDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 ft expected.

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

* WHEN...From 4 AM Sunday to 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-22 03:03:48

963 
WHUS73 KMKX 220803
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
303 AM CDT Sun Mar 22 2026

LMZ643>646-221615-
/O.CON.KMKX.SC.Y.0031.260322T0900Z-260323T0600Z/
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-
303 AM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 ft expected.

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

* WHEN...Until 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-22 07:15:40

986 
WHUS73 KMKX 221215
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
715 AM CDT Sun Mar 22 2026

LMZ645-646-222015-
/O.UPG.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/
/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0300Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
715 AM CDT Sun Mar 22 2026

...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves
  6 to 9 ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 PM CDT this evening.

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

* ADDITIONAL DETAILS...Will likely need a short term Small Craft 
  Advisory following the Gale Warning.

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.

&&

$$

LMZ080-671-673-675-777-779-872-874-876-878-222015-
/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
715 AM CDT Sun Mar 22 2026

...GALE WARNING IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves
  7 to 12 ft.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...Until 1 AM CDT Monday.

* 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.

&&

$$

LMZ643-644-222015-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
715 AM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 ft.

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...A few gale force gusts to 35 kts cannot be
  ruled out this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Upgraded
Issued At: 2026-03-22 07:15:40

986 
WHUS73 KMKX 221215
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
715 AM CDT Sun Mar 22 2026

LMZ645-646-222015-
/O.UPG.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/
/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0300Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
715 AM CDT Sun Mar 22 2026

...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves
  6 to 9 ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 PM CDT this evening.

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

* ADDITIONAL DETAILS...Will likely need a short term Small Craft 
  Advisory following the Gale Warning.

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.

&&

$$

LMZ080-671-673-675-777-779-872-874-876-878-222015-
/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
715 AM CDT Sun Mar 22 2026

...GALE WARNING IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves
  7 to 12 ft.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...Until 1 AM CDT Monday.

* 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.

&&

$$

LMZ643-644-222015-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
715 AM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 4 to 7 ft.

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...A few gale force gusts to 35 kts cannot be
  ruled out this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-22 12:49:52

849 
WHUS73 KMKX 221749
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1249 PM CDT Sun Mar 22 2026

LMZ645-646-230200-
/O.CON.KMKX.GL.W.0018.000000T0000Z-260323T0300Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
1249 PM CDT Sun Mar 22 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and 
  waves 7 to 10 ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 PM CDT this evening.

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

* ADDITIONAL DETAILS...Will likely need a short term Small Craft 
  Advisory following the Gale Warning.

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.

&&

$$

LMZ080-671-673-675-777-779-872-874-876-878-230200-
/O.CON.KMKX.GL.W.0018.000000T0000Z-260323T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
1249 PM CDT Sun Mar 22 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and 
  waves 8 to 15 ft.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...Until 1 AM CDT Monday.

* 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.

&&

$$

LMZ643-644-230200-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
1249 PM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 30 kt and 
  waves 5 to 8 ft.

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 1 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...A few gale force gusts to 35 kts cannot be
  ruled out.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-03-22 21:34:06

069 
WHUS73 KMKX 230233
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
933 PM CDT Sun Mar 22 2026

LMZ645-646-231045-
/O.EXP.KMKX.GL.W.0018.000000T0000Z-260323T0300Z/
/O.EXB.KMKX.SC.Y.0031.260323T0300Z-260323T1500Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
933 PM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY...
...GALE WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 6 to 9 ft expected.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Winds have come below Gale Warning Criteria
  and the Gale Warning will be let go in favor of a Small Craft
  Advisory that will run into Monday morning. This Small Craft
  advisory will be for lingering high winds and waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ080-671-673-675-777-779-872-874-876-878-230600-
/O.CON.KMKX.GL.W.0018.000000T0000Z-260323T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
933 PM CDT Sun Mar 22 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and 
  waves 7 to 12 ft.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...Until 1 AM CDT Monday.

* 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.

&&

$$

LMZ643-644-231045-
/O.EXT.KMKX.SC.Y.0031.000000T0000Z-260323T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
933 PM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT MONDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and 
  waves 4 to 7 ft.

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 7 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2026-03-22 21:34:06

069 
WHUS73 KMKX 230233
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
933 PM CDT Sun Mar 22 2026

LMZ645-646-231045-
/O.EXP.KMKX.GL.W.0018.000000T0000Z-260323T0300Z/
/O.EXB.KMKX.SC.Y.0031.260323T0300Z-260323T1500Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
933 PM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY...
...GALE WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 
  waves 6 to 9 ft expected.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Winds have come below Gale Warning Criteria
  and the Gale Warning will be let go in favor of a Small Craft
  Advisory that will run into Monday morning. This Small Craft
  advisory will be for lingering high winds and waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ080-671-673-675-777-779-872-874-876-878-230600-
/O.CON.KMKX.GL.W.0018.000000T0000Z-260323T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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 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-
933 PM CDT Sun Mar 22 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and 
  waves 7 to 12 ft.

* WHERE...Southern Third of the Open Waters of Lake Michigan, 
  Lake Michigan from Port Washington to North Point Light WI 5NM 
  offshore to Mid Lake, and Lake Michigan from Grand Haven to 
  Whitehall MI 5NM offshore to Mid Lake.

* WHEN...Until 1 AM CDT Monday.

* 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.

&&

$$

LMZ643-644-231045-
/O.EXT.KMKX.SC.Y.0031.000000T0000Z-260323T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
933 PM CDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT MONDAY...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and 
  waves 4 to 7 ft.

* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 7 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-23 03:02:46

685 
WHUS73 KMKX 230802
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
302 AM CDT Mon Mar 23 2026

LMZ643-644-231200-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
302 AM CDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves
  4 to 7 ft.


* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ645-646-231500-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T1500Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
302 AM CDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and 
  waves 4 to 6 ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-03-23 03:02:46

685 
WHUS73 KMKX 230802
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
302 AM CDT Mon Mar 23 2026

LMZ643-644-231200-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T1200Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
302 AM CDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves
  4 to 7 ft.


* WHERE...Nearshore Waters from Sheboygan to North Point 
  Lighthouse.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ645-646-231500-
/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T1500Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
302 AM CDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and 
  waves 4 to 6 ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-03-23 09:46:17

110 
WHUS73 KMKX 231445
MWWMKX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
945 AM CDT Mon Mar 23 2026

LMZ645-646-231800-
/O.EXT.KMKX.SC.Y.0031.000000T0000Z-260323T1800Z/
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
945 AM CDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...North to northwest winds 10 to 20 kt with gusts up to 25
  kt and waves up to 4 feet ft.

* WHERE...Nearshore Waters from North Point Lighthouse to 
  Winthrop Harbor IL.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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