Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
837 AM CST Thu Nov 5 2026
LMZ740>742-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
837 AM CST Thu Nov 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST SATURDAY...
* WHAT...Northwest winds to 30 kt and significant waves to 9 ft
occasionally to 12 ft expected.
* WHERE...Winthrop Harbor to Calumet Harbor IL.
* WHEN...For the first Small Craft Advisory, until 9 AM CST this
morning. For the second Small Craft Advisory, from 6 PM this
evening to 9 AM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
837 AM CST Thu Nov 5 2026
LMZ743>745-052245-
/O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/
/O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
837 AM CST Thu Nov 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM CST SATURDAY...
* WHAT...Northwest winds to 30 kt with a few gale force gusts to
35 kt and significant waves to 12 ft occasionally to 16 ft
expected.
* WHERE...Calumet Harbor IL to Michigan City IN.
* WHEN...For the first Small Craft Advisory, until 9 AM CST this
morning. For the second Small Craft Advisory, from 6 PM this
evening to 3 PM CST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1047 AM EST Thu Nov 5 2026
LMZ043-046-060000-
/O.CON.KIWX.SC.Y.0065.000000T0000Z-261107T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1047 AM EST Thu Nov 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY...
* WHAT...Southwest winds 10 to 20 knots with a few gusts up to 25
knots veer northwesterly and increase to 30 knots through
Friday. Waves 2 to 4 feet this afternoon build to 7 to 10 feet
tonight. Those wave heights continue into Friday night.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...Until 7 PM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
Issued by National Weather Service Green Bay WI
850 AM CST Thu Nov 5 2026
LMZ643>646-052300-
/O.CON.KMKX.SC.Y.0098.000000T0000Z-261107T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
850 AM CST Thu Nov 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY...
* WHAT...Southwest-west winds 15 to 25 kts this morning. Then
northwest winds 15 to 25 kts with gusts up to 30 kts and waves 4
to 7 ft this evening into Friday.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...Until 6 PM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
853 AM EST Thu Nov 5 2026
LMZ844>846-052200-
/O.CON.KGRR.SC.Y.0083.000000T0000Z-261107T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
853 AM EST Thu Nov 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY...
* WHAT...Southwest winds 15 to 25 knots and waves 4 to 7 feet.
* WHERE...St Joseph to Grand Haven.
* WHEN...Until 7 PM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
