FZUS53 KGRB 080200
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
900 PM CDT Tue Apr 7 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-080400-
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-
900 PM CDT Tue Apr 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT WEDNESDAY THROUGH
WEDNESDAY EVENING...

.TONIGHT...S wind 10 to 20 kts. Waves 2 to 4 ft. A chance of
light snow after midnight.
.WEDNESDAY...S wind to 30 kts with gale force gusts to around
35 kts. Waves 4 to 7 ft. Light rain, light snow and light
freezing rain likely in the morning. A chance of light rain in
the afternoon.
.WEDNESDAY NIGHT...S wind 15 to 25 kts with gale force gusts to
around 40 kts veering SW 10 to 15 kts with gale force gusts to
around 40 kts in the late evening and overnight. Waves 4 to 7 ft
subsiding to 1 to 3 ft after midnight. Rain in the evening.
.THURSDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly sunny.

$$

LMZ541-080400-
Rock Island Passage to Sturgeon Bay WI-
900 PM CDT Tue Apr 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT WEDNESDAY THROUGH
WEDNESDAY MORNING...
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.TONIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to
7 ft after midnight. Clear in the evening then becoming partly
cloudy.
.WEDNESDAY...S wind to 30 kts increasing to gales to 35 kts in
the late morning and afternoon. Gusts to 40 kts. Waves 10 to
14 ft. Light snow likely in the morning. A chance of light rain.
.WEDNESDAY NIGHT...S wind to 30 kts with gale force gusts to
around 40 kts becoming SW 10 to 20 kts with gale force gusts to
around 40 kts in the late evening and overnight. Waves 12 to
16 ft subsiding to 6 to 10 ft after midnight. Rain in the
evening.
.THURSDAY...W wind 10 to 15 kts. Waves 4 to 7 ft subsiding to
2 to 4 ft in the afternoon. Mostly sunny. A Small Craft Advisory
may be needed.

$$

LMZ542-543-080400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
900 PM CDT Tue Apr 7 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM CDT WEDNESDAY THROUGH
WEDNESDAY MORNING...
...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.TONIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to
7 ft after midnight. A chance of light snow after midnight.
.WEDNESDAY...S gales to 35 kts with gale force gusts to around
40 kts. Waves 10 to 14 ft. Light rain likely and a slight chance
of light snow in the morning. A slight chance of light rain in
the afternoon.
.WEDNESDAY NIGHT...S wind to 30 kts with gale force gusts to
around 35 kts becoming SW 10 to 20 kts with gale force gusts to
around 35 kts in the late evening and overnight. Waves 10 to
14 ft subsiding to 5 to 8 ft after midnight. Rain in the evening,
then a chance of light rain after midnight.
.THURSDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. Mostly sunny. A Small Craft Advisory
may be needed.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.

Wave height forecast is for ice free areas.