FZUS53 KGRB 260810
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
310 AM CDT Sun Apr 26 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-261600-
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-
310 AM CDT Sun Apr 26 2026

.EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog.
.TODAY...E wind 5 to 10 kts. Waves 2 ft or less. Areas of dense
fog in the morning.
.TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after
midnight. Waves 2 ft or less. Partly cloudy.
.MONDAY...SE wind 15 to 25 kts. Waves 1 to 3 ft. Rain showers
likely and a chance of thunderstorms in the afternoon. A Small
Craft Advisory may be needed.
.MONDAY NIGHT...S wind to 30 kts veering SW 15 to 25 kts after
midnight. Gusts to 35 kts. Waves 2 to 4 ft. A chance of
thunderstorms in the evening. Rain showers.

$$

LMZ541-261600-
Rock Island Passage to Sturgeon Bay WI-
310 AM CDT Sun Apr 26 2026

.EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog.
.TODAY...SE wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy
in the morning then becoming partly cloudy.
.TONIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts in the
late evening and overnight. Waves 2 to 4 ft. Partly cloudy.
.MONDAY...SE wind 15 to 25 kts. Waves 4 to 7 ft. A chance of
showers in the afternoon. A Small Craft Advisory may be needed.
.MONDAY NIGHT...S wind to 30 kts veering SW after midnight. Gusts
to 35 kts. Waves 8 to 12 ft building to 6 to 10 ft after
midnight. Rain showers and a chance of thunderstorms.

$$

LMZ542-543-261600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
310 AM CDT Sun Apr 26 2026

.EARLY THIS MORNING...E wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog.
.TODAY...E wind 5 to 10 kts veering SE mid-day, then backing E
early in the afternoon. Waves 2 ft or less. Patchy dense fog.
.TONIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts, then
increasing to 15 to 25 kts after midnight. Waves 2 ft or less
building to 3 to 5 ft after midnight. Partly cloudy.
.MONDAY...SE wind to 30 kts with gale force gusts to around
35 kts. Waves 4 to 7 ft building to 6 to 10 ft in the afternoon.
Rain showers likely and a chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...SE gales to 35 kts veering S to 30 kts, then
veering SW after midnight. Waves 10 to 14 ft subsiding to 8 to
12 ft after midnight. Rain showers and a chance of thunderstorms
in the evening, then a chance of showers after midnight. A Gale
Warning may be needed.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.