Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1005 AM EST Tue Nov 11 2025
LHZ345>349-112315-
/O.CON.KAPX.SC.Y.0110.251111T2000Z-251113T0000Z/
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-
1005 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 9 feet expected.
* WHERE...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 and Sturgeon
Pt to Alabaster MI.
* WHEN...From 3 PM this afternoon to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1005 AM EST Tue Nov 11 2025
LMZ323-341-342-344>346-112315-
/O.CON.KAPX.SC.Y.0110.000000T0000Z-251113T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1005 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 9 feet.
* WHERE...Portions of Lake Michigan.
* WHEN...Until 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1005 AM EST Tue Nov 11 2025
LSZ321-112315-
/O.CON.KAPX.SC.Y.0110.251112T0800Z-251113T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1005 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 7 PM EST
WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the northwest and
highest waves around 10 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...From 3 AM to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1028 AM CST Tue Nov 11 2025
LMZ521-522-541>543-120030-
/O.CON.KGRB.SC.Y.0086.000000T0000Z-251113T0300Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1028 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST
WEDNESDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 30 kts and waves
3 to 6 ft.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan, and Central and Southern Bay of Green Bay.
* WHEN...Until 9 PM CST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Kieckbusch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
1059 AM EST Tue Nov 11 2025
LHZ421-441-120400-
/O.CON.KDTX.SC.Y.0083.000000T0000Z-251113T0900Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
1059 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...
* WHAT...Expect sustained winds up to 28 knots from the west
with gusts up to 33 knots. The largest significant waves will
be 6 feet with a potential maximum wave height of 8 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay and Port Austin to Harbor Beach MI.
* WHEN...The maximum winds are expected around 7 PM EST Tuesday
with the largest waves expected around 6 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
1059 AM EST Tue Nov 11 2025
LHZ422-120400-
/O.CON.KDTX.SC.Y.0084.251111T1700Z-251113T0900Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1059 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...
* WHAT...Expect sustained winds up to 26 knots from the west
with gusts up to 34 knots. The largest significant waves will
be 4 feet with a potential maximum wave height of 5 feet.
* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.
* WHEN...The maximum winds are expected around 7 PM EST Tuesday
with the largest waves expected around 8 PM EST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
1059 AM EST Tue Nov 11 2025
LHZ442-443-120400-
/O.CON.KDTX.SC.Y.0083.000000T0000Z-251113T0900Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
1059 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...
* WHAT...Expect sustained winds up to 23 knots from the west
with gusts up to 30 knots. The largest significant waves will
be 4 feet with a potential maximum wave height of 5 feet.
* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to
Port Huron MI.
* WHEN...The maximum winds are expected around 7 PM EST
Wednesday with the largest waves expected around 8 PM EST
Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
945 AM CST Tue Nov 11 2025
LMZ643>646-112345-
/O.CON.KMKX.SC.Y.0098.000000T0000Z-251113T0300Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
945 AM CST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST
WEDNESDAY...
* WHAT...Southwest winds 20 to 25 kt today with gusts up to 30
kt expected. Then west winds 15 to 25 knots with gusts up to
30 kt for tonight and Wednesday.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 9 AM today to 9 PM CST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1015 AM EST Tue Nov 11 2025
LMZ221-120000-
/O.CON.KMQT.SC.Y.0177.000000T0000Z-251112T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1015 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 2 to 5 ft occurring.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...Until 7 PM EST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1015 AM EST Tue Nov 11 2025
LMZ248-250-120315-
/O.CON.KMQT.SC.Y.0177.000000T0000Z-251112T0600Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1015 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 3 to 6 ft occurring.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1011 AM EST Tue Nov 11 2025
LMZ844>849-112315-
/O.CON.KGRR.SC.Y.0096.000000T0000Z-251111T1800Z/
/O.CON.KGRR.GL.W.0023.251111T1800Z-251112T0300Z/
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-
1011 AM EST Tue Nov 11 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING...
* WHAT...For the Small Craft Advisory, southwest winds 20 to 30
knots and waves 4 to 7 feet. For the Gale Warning, southwest
gales 30 to 40 knots and waves 6 to 11 feet expected.
* WHERE...St Joseph to Manistee.
* WHEN...For the Small Craft Advisory, until 1 PM EST this
afternoon. For the Gale Warning, until 10 PM EST this evening.
* 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 hazardous conditions.
&&
$$
