Special Marine Warning
Special Marine Warning
LMZ643-644-669-671-011615-
/O.NEW.KMKX.MA.W.0043.251101T1409Z-251101T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Milwaukee/Sullivan WI
909 AM CDT Sat Nov 1 2025
The National Weather Service in Milwaukee/Sullivan has issued a
* Special Marine Warning for...
Lake Michigan nearshore and open waters to mid lake from Sheboygan
WI to North Port Light WI...
* Until 1115 AM CDT.
* At 908 AM CDT, showers capable of producing waterspouts were
located along a line extending from near Sheboygan to 16 nm
northeast of Oostburg to 20 nm east of Cleveland. The showers were
nearly stationary.
HAZARD...Waterspouts.
SOURCE...Radar.
IMPACT...Waterspouts can create locally hazardous seas.
* Locations impacted include...
Port Washington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Waterspouts can easily overturn boats and create locally hazardous
seas. Seek safe harbor immediately.
&&
LAT...LON 4339 8787 4349 8779 4358 8778 4368 8770
4376 8771 4375 8757 4387 8738 4383 8710
4370 8712 4337 8714 4334 8788
TIME...MOT...LOC 1408Z 049DEG 5KT 4368 8765 4374 8743 4386 8728
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...<34KTS
$$
HEEREN
Gale Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
934 AM CDT Sat Nov 1 2025
LMZ521-541-012245-
/O.CON.KGRB.GL.A.0004.251102T2100Z-251103T1200Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
934 AM CDT Sat Nov 1 2025
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
* WHAT...Southwest winds 20 to 30 kts with gusts up to 40 kts and
waves 6 to 10 ft possible.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay, and Central Bay of Green Bay.
* WHEN...From Sunday afternoon through late Sunday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
Kieckbusch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
934 AM CDT Sat Nov 1 2025
LMZ522-012245-
/O.CON.KGRB.GL.A.0004.251102T2100Z-251103T1200Z/
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
934 AM CDT Sat Nov 1 2025
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
* WHAT...Southwest winds 20 to 30 kts with gusts up to 35 kts and
waves 3 to 6 ft possible.
* WHERE...Southern Bay of Green Bay.
* WHEN...From Sunday afternoon through late Sunday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
932 AM CDT Sat Nov 1 2025
LMZ261-362-364-366-563-565-567-868-012245-
/O.CON.KMKX.GL.A.0021.251102T2100Z-251103T1200Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
932 AM CDT Sat Nov 1 2025
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
* WHAT...Southwest winds 25 to 30 kt with gusts up to 45 kt and
waves 9 to 14 ft possible.
* WHERE...Northern Open Waters of Lake Michigan.
* WHEN...From Sunday afternoon through late Sunday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1022 AM EDT Sat Nov 1 2025
LMZ221-248-250-020230-
/O.CON.KMQT.GL.A.0026.251102T2100Z-251103T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1022 AM EDT Sat Nov 1 2025
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY MORNING...
* WHAT...Southwest becoming west winds 20 to 30 kt with gusts up
to 40 kt and waves 6 to 9 ft possible.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage, Seul Choix Point to Point Detour MI and 5NM
East of a line from Fairport MI to Rock Island Passage.
* WHEN...From Sunday afternoon through Monday morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
357 AM EDT Sat Nov 1 2025
LMZ323-341-342-344>346-011600-
/O.NEW.KAPX.GL.A.0010.251102T2100Z-251103T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
357 AM EDT Sat Nov 1 2025
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
MORNING...
* WHAT...Highest gusts up to 45 kts from the southwest and
highest waves around 14 feet possible.
* WHERE...Portions of Lake Michigan.
* WHEN...From Sunday afternoon through Monday morning.
* IMPACTS...Strong winds can cause hazardous highest waves which
could capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
337 AM EDT Sat Nov 1 2025
LMZ849-011545-
/O.NEW.KGRR.GL.A.0011.251102T2100Z-251103T1200Z/
Pentwater to Manistee MI-
337 AM EDT Sat Nov 1 2025
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
MORNING...
* WHAT...Southwest winds 20 to 30 knots with gusts up to 40
knots and waves 8 to 13 feet possible.
* WHERE...Pentwater to Manistee MI.
* WHEN...From Sunday afternoon through Monday morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Gaylord MI
1015 AM EDT Sat Nov 1 2025
LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-021415-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1015 AM EDT Sat Nov 1 2025
This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.
.DAY ONE...Today and tonight.
There is a slight chance of waterspouts on the nearshore waters of
Lake Michigan, particularly around and south of Grand Traverse
Bay.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Gale force winds are likely, starting on Lake Michigan Sunday
night, expanding to all of the Great Lakes Monday through Monday
night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
For more information visit http://weather.gov/gaylord.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
453 AM EDT Sat Nov 1 2025
LMZ844>849-020900-
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-
453 AM EDT Sat Nov 1 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
A low risk for a waterspout exists today. There is also a low risk
for a lightning strike or two over the water with any lake effect
showers that develop.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Gales are possible Sunday evening into Monday especially near and
north of Pentwater, but gales are not out of the question south of
there on Monday. Waves in excess of 10 feet are likely.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
341 AM CDT Sat Nov 1 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-020845-
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-
341 AM CDT Sat Nov 1 2025
This Hazardous Weather Outlook is for the open waters of Lake
Michigan.
.DAY ONE...Today and Tonight
Waterspouts are possible over the southern half of Lake Michigan
today.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
A Gale Watch is in effect late Sunday afternoon through Sunday
night across the northern half of Lake Michigan.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
341 AM CDT Sat Nov 1 2025
LMZ643>646-020845-
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-
341 AM CDT Sat Nov 1 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
Showers and isolated thunderstorms are expected today. A few
waterspouts are possible.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Winds and waves will reach Small Craft Advisory levels Sunday
night through Monday.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
341 AM CDT Sat Nov 1 2025
WIZ046-047-051-052-056>060-062>072-020845-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
341 AM CDT Sat Nov 1 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
Areas of fog are possible to the west of the Kettle Moraine late
tonight.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
