FZUS53 KGRB 261721
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1221 PM CDT Sun Apr 26 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-262200-
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-
1221 PM CDT Sun Apr 26 2026

.THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. Partly
sunny.
.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. Gusts to 35 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 15 to 25 kts veering SW 10 to 20 kts after
midnight. Waves 2 to 4 ft. A chance of thunderstorms in the
evening. Rain showers.

$$

LMZ541-262200-
Rock Island Passage to Sturgeon Bay WI-
1221 PM CDT Sun Apr 26 2026

.THIS AFTERNOON...SE wind 5 to 10 kts backing E early in the
afternoon. Waves 2 ft or less. Partly sunny.
.TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after
midnight. Waves 1 to 3 ft. Partly cloudy.
.MONDAY...SE wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. Waves 4 to 7 ft. A chance of showers in the
afternoon. A Small Craft Advisory may be needed.
.MONDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 8 to 12 ft. Rain showers and a chance of thunderstorms.

$$

LMZ542-543-262200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1221 PM CDT Sun Apr 26 2026

.THIS AFTERNOON...SE wind 5 to 10 kts backing E early in the
afternoon. Waves 2 ft or less. Patchy fog.
.TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after
midnight. Waves 2 ft or less building to 3 to 5 ft after
midnight. Mostly cloudy. A Small Craft Advisory may be needed.
.MONDAY...SE wind 10 to 15 kts increasing to 15 to 25 kts in the
late morning and afternoon. 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...S wind to 30 kts with gale force gusts to around
35 kts veering SW 15 to 25 kts after midnight. Waves 8 to 12 ft.
Rain showers and a chance of thunderstorms in the evening, then a
chance of showers after midnight.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.