Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ541

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Green Bay WI
336 AM CST Tue Dec 9 2025

LMZ521-522-541>543-100945-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
336 AM CST Tue Dec 9 2025

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Today and Tonight

Gale force gusts are expected late tonight on Lake Michigan south
of Sturgeon Bay. A Gale Warning has been issued.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Gale force gusts are expected Wednesday morning on Lake Michigan
to the south of Sturgeon Bay.

$$

JLA




Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
612 AM CST Tue Dec 9 2025

LMZ541-092015-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-251209T2100Z/
/O.CON.KGRB.SC.Y.0095.251210T0600Z-251211T0000Z/
Rock Island Passage to Sturgeon Bay WI-
612 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM CST WEDNESDAY...

* WHAT...For the first Small Craft Advisory, west winds 10 to 20
  kt with gusts up to 25 kt and waves 5 to 8 ft. For the second
  Small Craft Advisory, north winds 15 to 25 kt with gusts up to
  30 kt and waves 4 to 7 ft expected.

* WHERE...Lake Michigan nearshore waters from Washington Island
  to Sturgeon Bay.

* WHEN...For the first Small Craft Advisory, until 3 PM CST this
  afternoon. For the second Small Craft Advisory, from midnight
  tonight to 6 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.

&&

$$

JLA