Watches, Warnings & Advisories



2 products found for Marine Zone: LMZ522

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1000 AM CDT Tue Jul 21 2026

LMZ521-522-212300-
/O.CON.KGRB.SC.Y.0066.000000T0000Z-260722T0900Z/
Green Bay south of line from  Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from  Oconto WI to Little Sturgeon Bay WI-
1000 AM CDT Tue Jul 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
WEDNESDAY...

* WHAT...Northwest winds 15 to 20 kts with gusts up to 30 kts and
  waves 2 to 4 ft expected.

* WHERE...Central and Southern Bay of Green Bay.

* WHEN...From 10 AM this morning to 4 AM CDT 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.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Green Bay WI
330 AM CDT Tue Jul 21 2026

LMZ521-522-541>543-220830-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
330 AM CDT Tue Jul 21 2026

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

.DAY ONE...Today and Tonight

Conditions hazardous to small craft are expected.

There is a slight chance of thunderstorms late this morning
through the afternoon that could pose a hazard to mariners.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Conditions hazardous to small craft are possible Tuesday into
Tuesday night.

$$

MPC