Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1100 AM EST Sat Nov 15 2025
LMZ844>849-160000-
/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-
1100 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1051 AM EST Sat Nov 15 2025
LMZ043-046-160000-
/O.CON.KIWX.SC.Y.0069.251116T0000Z-251117T1700Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1051 AM EST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO NOON EST MONDAY...
* WHAT...Northwest winds 15 to 25 knots with gusts up to 30 knots.
Waves 3 to 6 feet this evening, increasing to 7 to 11 feet by
Sunday morning, before receding to 3 to 5 feet Monday morning.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...From 7 PM this evening to noon EST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
752 AM CST Sat Nov 15 2025
LMZ740>743-152200-
/O.EXT.KLOT.SC.Y.0101.251115T1352Z-251116T2200Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
752 AM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CST SUNDAY...
* WHAT...Southwest winds to 25 kt becoming northwest to 30 kt.
Significant waves building to 7 ft occasionally to 9 ft
tonight.
* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.
* WHEN...Until 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
752 AM CST Sat Nov 15 2025
LMZ744-745-152200-
/O.CON.KLOT.SC.Y.0101.251116T0000Z-251117T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
752 AM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST MONDAY...
* WHAT...Northwest winds to 30 kt and significant waves to 10 ft
occasionally to 13 ft expected.
* WHERE...Gary to Michigan City IN.
* WHEN...From 6 PM this evening to 9 AM CST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
736 AM CST Sat Nov 15 2025
LMZ643>646-152145-
/O.EXT.KMKX.SC.Y.0099.251115T1336Z-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-
736 AM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CST SUNDAY...
* WHAT...Southwest to west winds 15 to 25 knots, with gusts up to
around 30 knots, veering northwest by this afternoon and
lingering through Sunday. Waves 2 to 4 feet.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...Until 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.
&&
$$
Wood
Hazardous Weather Outlook
Hazardous Weather Outlook...UPDATED
National Weather Service Milwaukee/Sullivan WI
907 AM CST Sat Nov 15 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-161515-
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-
907 AM CST Sat Nov 15 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Today and Tonight
A few northwest gales are expected later this afternoon and
tonight for the northern third of Lake Michigan. More frequent
northwest gales are possible during this period.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
A few northwest gales are expected Sunday for the northern third
of Lake Michigan. More frequent northwest gales are possible
during this period.
$$
Wood
www.weather.gov/mkx
Hazardous Weather Outlook...UPDATED
National Weather Service Milwaukee/Sullivan WI
907 AM CST Sat Nov 15 2025
LMZ643>646-161515-
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-
907 AM CST Sat Nov 15 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
A Small Craft Advisory is in effect for gusty southwest to west
winds becoming northwest this afternoon and lingering tonight.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
The Small Craft Advisory continues through Sunday afternoon for
lingering gusty northwest winds.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
339 AM CST Sat Nov 15 2025
LMZ740>745-160945-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
339 AM CST Sat Nov 15 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday through Tuesday...
Hazardous conditions for small craft are likely.
Thursday and Friday...
Hazardous conditions for small craft are likely.
$$
Doom
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Northern Indiana
428 AM EST Sat Nov 15 2025
LMZ043-046-160930-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
428 AM EST Sat Nov 15 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO NOON EST
MONDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
244 AM EST Sat Nov 15 2025
LMZ844>849-160745-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
244 AM EST Sat Nov 15 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Tonight
Winds and waves will be hazardous to small craft today and
tonight. Isolated gales are possible tonight.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Winds and waves will be hazardous to small craft into Monday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
244 AM EST Sat Nov 15 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-160745-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
244 AM EST Sat Nov 15 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Tonight
Southwest gusts to 40 mph are possible this afternoon.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$