Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
320 PM CDT Sun Mar 30 2025
LMZ740>745-310430-
/O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/
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-
320 PM CDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...
* WHAT...Southwest winds to 25 kt shifting northwest tonight and
significant waves to 8 ft occasionally to 10 ft expected.
* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.
* WHEN...Until 4 AM CDT 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
339 PM EDT Sun Mar 30 2025
LMZ844>849-310345-
/O.EXT.KGRR.SC.Y.0038.250330T2000Z-250401T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
339 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT TUESDAY...
* WHAT...Northwest winds 15 to 30 knots developing tonight and
waves building to 5 to 8 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 2 AM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
DUKE
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
235 PM CDT Sun Mar 30 2025
LMZ643>646-310345-
/O.EXT.KMKX.SC.Y.0045.250330T2000Z-250331T1800Z/
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-
235 PM CDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT MONDAY...
* WHAT...North to northwest winds 15 to 20 kt with gusts up to
30 kt expected. Waves 3 to 6 feet.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...Until 1 PM CDT 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
306 PM EDT Sun Mar 30 2025
LMZ043-046-310315-
/O.CON.KIWX.SC.Y.0027.250331T0300Z-250401T0900Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
306 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM EDT TUESDAY...
* WHAT...Northwest winds 15 to 20 knots with gusts up to 25 knots
and waves 5 to 8 feet expected.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...From 11 PM this evening to 5 AM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$