FZUS53 KGRB 150857
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
357 AM CDT Wed Apr 15 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-151600-
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-
357 AM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.EARLY THIS MORNING...N wind 5 to 10 kts. Waves 2 ft or less.
Widespread dense fog.
.TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense
fog in the morning, then patchy fog in the afternoon. a chance of
showers in the afternoon.
.TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of
dense fog. a chance of showers.
.THURSDAY...NE wind 5 to 10 kts. Waves 2 ft or less. Patchy fog
in the morning. a chance of showers in the morning.
.THURSDAY NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy in the evening then becoming mostly cloudy.

$$

LMZ541-151600-
Rock Island Passage to Sturgeon Bay WI-
357 AM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.EARLY THIS MORNING...N wind 5 to 10 kts. Waves 2 ft or less.
Widespread dense fog.
.TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense
fog in the morning, then patchy fog in the afternoon. a chance of
showers in the afternoon.
.TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of
dense fog. a chance of showers.
.THURSDAY...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of fog
in the morning. a chance of showers in the morning.
.THURSDAY NIGHT...NE wind 5 to 10 kts veering SE after midnight.
Waves 2 ft or less. Partly cloudy in the evening then becoming
mostly cloudy.

$$

LMZ542-543-151600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
357 AM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.EARLY THIS MORNING...N wind 5 to 10 kts. Waves 2 ft or less.
Widespread dense fog. a slight chance of showers.
.TODAY...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of dense
fog. a chance of showers. A slight chance of thunderstorms in the
afternoon.
.TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of
dense fog. a chance of showers and thunderstorms.
.THURSDAY...N wind 10 to 15 kts. Waves 2 ft or less. Areas of
dense fog in the morning. a chance of showers in the morning,
then a chance of light rain in the afternoon.
.THURSDAY NIGHT...NE wind 5 to 10 kts veering SE in the late
evening and overnight. Waves 2 ft or less. Partly cloudy in the
evening then becoming mostly cloudy.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.

Wave height forecast is for ice free areas.