FZUS53 KGRB 170006
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
706 PM CDT Thu Apr 16 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-170400-
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-
706 PM CDT Thu Apr 16 2026

.TONIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Areas of
dense fog in the evening, then widespread dense fog after
midnight.
.FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in
the afternoon. Waves 2 to 4 ft. Areas of dense fog in the
morning. A Small Craft Advisory may be needed.
.FRIDAY NIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after
midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight.
A chance of thunderstorms in the evening. Rain showers.
.SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of
showers.

$$

LMZ541-170400-
Rock Island Passage to Sturgeon Bay WI-
706 PM CDT Thu Apr 16 2026

.TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Areas of fog
in the evening, then widespread dense fog after midnight.
.FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 3 to
5 ft in the afternoon. Areas of dense fog in the morning.
.FRIDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 4 to 7 ft. Rain showers and a chance of thunderstorms.
.SATURDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 3 to 5 ft subsiding to 1 to
3 ft in the afternoon. A chance of showers.

$$

LMZ542-543-170400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
706 PM CDT Thu Apr 16 2026

.TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Areas of dense
fog in the evening, then widespread dense fog after midnight.
.FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late
morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in
the afternoon. Areas of dense fog in the morning.
.FRIDAY NIGHT...S wind to 30 kts veering W 15 to 25 kts after
midnight. Waves 4 to 7 ft. A chance of thunderstorms in the
evening. Rain showers.
.SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. A chance of showers.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.