Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
231 PM CST Sat Nov 15 2025
LMZ740>743-160445-
/O.CON.KLOT.SC.Y.0101.000000T0000Z-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-
231 PM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST SUNDAY...
* WHAT...Northwest winds to 30 kt with occasional gale force
gusts to 35 kt and significant waves building to 7 ft
occasionally to 9 ft expected.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
231 PM CST Sat Nov 15 2025
LMZ744-745-160445-
/O.CON.KLOT.SC.Y.0101.251116T0000Z-251117T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
231 PM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST MONDAY...
* WHAT...Northwest winds to 30 kt with occasional gale force
gusts to 35 kt and significant waves to 10 ft occasionally to 13
ft expected.
* WHERE...Gary to Michigan City IN.
* WHEN...From 6 PM this evening to 9 AM CST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
942 PM EST Sat Nov 15 2025
LMZ043-046-161045-
/O.CON.KIWX.SC.Y.0069.000000T0000Z-251117T1700Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
942 PM EST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EST MONDAY...
* WHAT...Northwest winds 15 to 25 knots with gusts up to 30 knots.
Waves building to 6 to 10 feet late tonight. Waves 6 to 9 feet
Sunday subsiding to 5 to 8 feet Sunday night and to 3 to 5 feet
by late Monday morning.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...Until 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
345 PM EST Sat Nov 15 2025
LMZ844>849-160445-
/O.CON.KGRR.SC.Y.0098.000000T0000Z-251117T1800Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
345 PM EST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY...
* WHAT...Northwest winds to 30 knots and waves 7 to 10 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 1 PM EST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
228 PM CST Sat Nov 15 2025
LMZ643>646-160430-
/O.CON.KMKX.SC.Y.0099.000000T0000Z-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-
228 PM CST Sat Nov 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST SUNDAY...
* WHAT...Northwest winds 15 to 25 knots, with gusts up to around
30 knots. 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
