FZUS53 KGRB 270606
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
106 AM CDT Fri Mar 27 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-271000-
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-
106 AM CDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

.REST OF THE NIGHT...N wind 10 to 15 kts. Waves 1 to 3 ft. Partly
cloudy.
.FRIDAY...NW wind 5 to 10 kts backing W in the late morning and
afternoon. Waves 2 ft or less. A slight chance of light snow in
the afternoon.
.FRIDAY NIGHT...NW wind 10 to 15 kts backing W 5 to 10 kts after
midnight. Waves 2 ft or less. Mostly clear.
.SATURDAY...SW wind 10 to 15 kts backing S early in the
afternoon. Waves 2 ft or less. Partly cloudy in the morning then
becoming mostly cloudy.

$$

LMZ541-271000-
Rock Island Passage to Sturgeon Bay WI-
106 AM CDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

.REST OF THE NIGHT...N wind 15 to 25 kts veering NE 10 to 15 kts
after midnight. Waves 3 to 5 ft. Mostly cloudy.
.FRIDAY...N wind 5 to 10 kts backing W in the late morning and
afternoon. Waves 2 to 4 ft. A chance of light snow in the
afternoon.
.FRIDAY NIGHT...NW wind 10 to 15 kts backing W after midnight.
Waves 1 to 3 ft. Mostly clear.
.SATURDAY...SW wind 10 to 15 kts backing S 15 to 25 kts early in
the afternoon. Waves 2 ft or less building to 4 to 7 ft in the
afternoon. Partly cloudy in the morning then becoming mostly
cloudy. A Small Craft Advisory may be needed.

$$

LMZ542-543-271000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
106 AM CDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF THE NIGHT...N wind 15 to 25 kts. Waves 4 to 7 ft. Mostly
cloudy.
.FRIDAY...NW wind 5 to 10 kts backing W early in the afternoon.
Waves 4 to 7 ft subsiding to 1 to 3 ft in the afternoon. A slight
chance of light snow in the afternoon.
.FRIDAY NIGHT...NW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly
clear.
.SATURDAY...SW wind 10 to 15 kts backing S 15 to 25 kts early in
the afternoon. Waves 2 ft or less building to 4 to 7 ft in the
afternoon. Mostly sunny in the morning then becoming mostly
cloudy. A Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.