FZUS53 KGRB 040600

NSHGRB



Nearshore Marine Forecast

National Weather Service Green Bay WI

1259 AM CDT Mon May 4 2026



For waters within five nautical miles of shore on Lake Michigan



LMZ521-522-041000-

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-

1259 AM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING

THROUGH THIS EVENING...



.REST OF THE NIGHT...S wind 5 to 10 kts increasing to 10 to

15 kts after midnight. Waves 2 ft or less. Mostly clear. 

.MONDAY...SW wind 15 to 25 kts veering W 10 to 20 kts early in

the afternoon. Waves 2 to 4 ft. A slight chance of showers in the

afternoon. 

.MONDAY NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Partly

cloudy. 

.TUESDAY...W wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy.



$$



LMZ541-041000-

Rock Island Passage to Sturgeon Bay WI-

1259 AM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING

THROUGH THIS EVENING...



.REST OF THE NIGHT...SW wind 10 to 15 kts. Waves 3 to 5 ft.

Mostly clear. 

.MONDAY...SW wind 15 to 25 kts veering W 10 to 15 kts early in

the afternoon. Waves 4 to 7 ft. A slight chance of showers and

thunderstorms in the afternoon. 

.MONDAY NIGHT...NW wind 10 to 15 kts. Waves 3 to 5 ft subsiding

to 2 to 4 ft after midnight. Mostly cloudy in the evening then

becoming mostly clear. 

.TUESDAY...W wind 5 to 10 kts backing S early in the afternoon.

Waves 2 ft or less. Partly cloudy.  



$$



LMZ543-041000-

Two Rivers to Sheboygan WI-

1259 AM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING

THROUGH THIS EVENING...



.REST OF THE NIGHT...W wind 5 to 10 kts. Waves 2 to 4 ft. Clear.

.MONDAY...SW wind 15 to 25 kts. Waves 3 to 5 ft. A chance of

showers and a slight chance of thunderstorms in the afternoon. 

.MONDAY NIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding

to 1 to 3 ft after midnight. Partly cloudy. 

.TUESDAY...W wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.



$$



LMZ542-041000-

Sturgeon Bay to Two Rivers WI-

1259 AM CDT Mon May 4 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING

THROUGH THIS EVENING...



.REST OF THE NIGHT...SW wind 5 to 10 kts. Waves 2 to 4 ft. Mostly

clear. 

.MONDAY...SW wind 15 to 25 kts veering W early in the afternoon.

Waves 4 to 7 ft. A slight chance of showers and thunderstorms in

the afternoon. 

.MONDAY NIGHT...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding

to 1 to 3 ft after midnight. Partly cloudy. 

.TUESDAY...W wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.



$$



See Lake Michigan Open Lake Forecast for Wednesday through Friday.



Wave height forecast is for ice free areas.