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Small Craft Advisory 0082
Issued by the Green Bay Forecast Office

Action Issued Starts Expiration
New 2026-09-18 13:31:51 2026-09-19 03:00:00 2026-09-19 21:00:00
Continued 2026-09-18 21:10:35 2026-09-19 03:00:00 2026-09-19 21:00:00
Time Extended 2026-09-19 03:15:14 2026-09-19 22:00:00
Continued 2026-09-19 12:31:20 2026-09-19 22:00:00
Continued 2026-09-19 20:25:06 2026-09-19 22:00:00
Expired 2026-09-19 22:07:10 2026-09-19 22:00:00


Action: New
Issued At: 2026-09-18 13:31:51

473 
WHUS73 KGRB 181831
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
131 PM CDT Fri Sep 18 2026

LMZ542-543-190245-
/O.NEW.KGRB.SC.Y.0082.260919T0800Z-260920T0200Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
131 PM CDT Fri Sep 18 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 9 PM CDT
SATURDAY...

* WHAT...East winds 15 to 25 kt and waves 3 to 6 ft expected.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

* WHEN...From 3 AM to 9 PM CDT Saturday.

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

* ADDITIONAL DETAILS...The highest winds and waves are expected
  south of Algoma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Kurimski


Action: Continued
Issued At: 2026-09-18 21:10:35

850 
WHUS73 KGRB 190210
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
910 PM CDT Fri Sep 18 2026

LMZ542-543-191015-
/O.CON.KGRB.SC.Y.0082.260919T0800Z-260920T0200Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
910 PM CDT Fri Sep 18 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM CDT
SATURDAY...

* WHAT...East winds 15 to 25 kt and waves 3 to 7 ft expected,
  locally higher south of Manitowoc.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

* WHEN...From 3 AM to 9 PM CDT Saturday.

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

* ADDITIONAL DETAILS...The highest winds and waves are expected 
  south of Algoma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2026-09-19 03:15:14

461 
WHUS73 KGRB 190814
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
314 AM CDT Sat Sep 19 2026

LMZ542-543-192200-
/O.EXT.KGRB.SC.Y.0082.000000T0000Z-260920T0300Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
314 AM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...East winds 15 to 25 kts and waves 3 to 6 ft expected, 
  locally higher south of Manitowoc.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

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

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

* ADDITIONAL DETAILS...The highest winds and waves are expected 
  south of Algoma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

mpc


Action: Continued
Issued At: 2026-09-19 12:31:20

194 
WHUS73 KGRB 191731
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1231 PM CDT Sat Sep 19 2026

LMZ542-543-200145-
/O.CON.KGRB.SC.Y.0082.000000T0000Z-260920T0300Z/
/O.NEW.KGRB.SC.Y.0083.260920T1100Z-260923T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1231 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM SUNDAY TO 7 PM CDT
TUESDAY...

* WHAT...For the first Small Craft Advisory, east winds 10 to 20
  kt with gusts up to 25 kt and waves 2 to 5 ft. For the second
  Small Craft Advisory, northeast winds 15 to 25 kt with gusts up
  to 30 kt and waves 4 to 8 ft expected.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

* WHEN...For the first Small Craft Advisory, until 10 PM CDT 
  this evening. For the second Small Craft Advisory, from 6 AM 
  Sunday to 7 PM CDT Tuesday.

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

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

&&

$$

LMZ521-522-541-200145-
/O.NEW.KGRB.SC.Y.0083.260920T1100Z-260921T1800Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
1231 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM SUNDAY TO 1 PM CDT
MONDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and
  waves 3 to 6 ft expected.

* WHERE...Central and Southern Bay of Green Bay, and Lake 
  Michigan nearshore waters from Washington Island to Sturgeon 
  Bay.

* WHEN...From 6 AM Sunday to 1 PM 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: 2026-09-19 20:25:06

967 
WHUS73 KGRB 200124
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
824 PM CDT Sat Sep 19 2026

LMZ542-543-200930-
/O.CON.KGRB.SC.Y.0082.000000T0000Z-260920T0300Z/
/O.CON.KGRB.SC.Y.0083.260920T1100Z-260923T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
824 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO
7 PM CDT TUESDAY...

* WHAT...For the first Small Craft Advisory, east winds 10 to 20 
  kt with gusts up to 25 kt and waves 2 to 5 ft. For the second 
  Small Craft Advisory, northeast winds 15 to 25 kt with gusts 
  up to 30 kt and waves 4 to 8 ft expected.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

* WHEN...For the first Small Craft Advisory, until 10 PM CDT 
  this evening. For the second Small Craft Advisory, from 6 AM 
  Sunday to 7 PM CDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-541-200930-
/O.CON.KGRB.SC.Y.0083.260920T1100Z-260921T1800Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
824 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO
1 PM CDT MONDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and 
  waves 3 to 7 ft expected.

* WHERE...Central and Southern Bay of Green Bay, and Lake 
  Michigan nearshore waters from Washington Island to Sturgeon 
  Bay.

* WHEN...From 6 AM Sunday to 1 PM 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: Expired
Issued At: 2026-09-19 22:07:10

434 
WHUS73 KGRB 200306
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1006 PM CDT Sat Sep 19 2026

LMZ542-543-201115-
/O.EXP.KGRB.SC.Y.0082.000000T0000Z-260920T0300Z/
/O.CON.KGRB.SC.Y.0083.260920T1100Z-260923T0000Z/
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1006 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO
7 PM CDT TUESDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to around 30 
  kt and waves 4 to 8 ft expected.

* WHERE...Lake Michigan nearshore waters from Sturgeon Bay to 
  Sheboygan.

* WHEN...From 6 AM Sunday to 7 PM CDT Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ521-522-541-201115-
/O.CON.KGRB.SC.Y.0083.260920T1100Z-260921T1800Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
1006 PM CDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO
1 PM CDT MONDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and 
  waves 3 to 7 ft expected.

* WHERE...Central and Southern Bay of Green Bay, and Lake 
  Michigan nearshore waters from Washington Island to Sturgeon 
  Bay.

* WHEN...From 6 AM Sunday to 1 PM 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.

&&

$$



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