FZUS53 KGRB 082150
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
450 PM CDT Wed Apr 8 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-090400-
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-
450 PM CDT Wed Apr 8 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING...

.LATE THIS AFTERNOON...S wind to 30 kts with gale force gusts to
around 40 kts. Waves 3 to 5 ft. A slight chance of light rain.
.TONIGHT...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 4 to 7 ft
subsiding to 1 to 3 ft after midnight. Rain in the evening.
.THURSDAY...W wind 10 to 15 kts. Waves 2 ft or less. Mostly
sunny.
.THURSDAY NIGHT...N wind 5 to 10 kts veering NE in the late
evening and overnight. Waves 2 ft or less. A chance of light
rain.
.FRIDAY...N wind 5 to 10 kts backing NW mid-day, then veering NE
early in the afternoon. Waves 2 ft or less. Partly cloudy.

$$

LMZ541-090400-
Rock Island Passage to Sturgeon Bay WI-
450 PM CDT Wed Apr 8 2026

...GALE WARNING IN EFFECT UNTIL 11 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...

.LATE THIS AFTERNOON...S gales to 35 kts with gale force gusts to
around 40 kts. Waves 10 to 14 ft. Partly sunny.
.TONIGHT...S gales to 35 kts with gale force gusts to around
40 kts becoming SW 15 to 25 kts with gale force gusts to around
40 kts, then decreasing to 10 to 15 kts after midnight. Waves
10 to 14 ft subsiding to 6 to 10 ft after midnight. Rain in the
evening, then a chance of light rain after midnight.
.THURSDAY...W wind 10 to 20 kts decreasing to 5 to 10 kts early
in the afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the
afternoon. Mostly sunny.
.THURSDAY NIGHT...N wind 5 to 10 kts veering NE in the late
evening and overnight. Waves 2 ft or less. A chance of light
rain.
.FRIDAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 2 ft or less. Partly cloudy in the morning then clearing.

$$

LMZ542-543-090400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
450 PM CDT Wed Apr 8 2026

...GALE WARNING IN EFFECT UNTIL 11 PM CDT THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...

.LATE THIS AFTERNOON...S gales to 35 kts. Waves 10 to 14 ft.
Partly cloudy.
.TONIGHT...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
2 to 4 ft in the afternoon. Mostly sunny.
.THURSDAY NIGHT...NW wind 5 to 10 kts veering NE in the late
evening and overnight. Waves 2 ft or less. A chance of light
rain.
.FRIDAY...N wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.