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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
249 AM CST Sat Nov 15 2025

LMZ521-541-151700-
/O.CON.KGRB.SC.Y.0087.251115T1800Z-251116T1800Z/
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-
Rock Island Passage to Sturgeon Bay WI-
249 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO NOON
CST SUNDAY...

* WHAT...Northwest winds 15 to 20 kts with gusts up to 30 kts and
  waves 1 to 4 ft expected. A few gale force gusts will be
  possible.

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

* WHEN...From noon today to noon CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
249 AM CST Sat Nov 15 2025

LMZ522-542-543-151700-
/O.CON.KGRB.SC.Y.0087.251115T1800Z-251116T1800Z/
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
249 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO NOON
CST SUNDAY...

* WHAT...Northwest winds 15 to 20 kts with gusts up to 25 kts and
  waves 1 to 3 ft expected.

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

* WHEN...From noon today to noon CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
245 AM CST Sat Nov 15 2025

LMZ643>646-151645-
/O.CON.KMKX.SC.Y.0099.251115T1800Z-251116T2200Z/
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-
245 AM CST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 PM
CST SUNDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to around 30
  kt expected. Waves 2 to 4 feet.

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

* WHEN...From noon today to 4 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
307 AM EST Sat Nov 15 2025

LMZ221-152015-
/O.CON.KMQT.SC.Y.0180.251116T0000Z-251116T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
307 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM EST SUNDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and
  waves 1 to 4 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock
  Island Passage.

* WHEN...From 7 PM this evening to 7 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
307 AM EST Sat Nov 15 2025

LMZ248-250-152015-
/O.CON.KMQT.SC.Y.0179.251115T1800Z-251116T1200Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
307 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 AM EST SUNDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
  waves 1 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM this afternoon to 7 AM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
249 AM EST Sat Nov 15 2025

LMZ844>849-151600-
/O.CON.KGRR.SC.Y.0098.000000T0000Z-251117T1800Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
249 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...

* WHAT...Southwest becoming northwest winds 15 to 25 knots with
  gusts up to 30 knots and waves 7 to 10 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 1 PM EST Monday.

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

* ADDITIONAL DETAILS...Isolated northwest gales are possible
  tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 AM EST Sat Nov 15 2025

LMZ323-341-342-344>346-151515-
/O.CON.KAPX.SC.Y.0111.251115T1600Z-251116T2200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
203 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 5 PM EST SUNDAY...

* WHAT...Highest gusts up to 33 kts from the northwest and
  highest waves around 8 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...From 11 AM Saturday to 5 PM EST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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