FZUS53 KGRB 152251
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
551 PM CDT Wed Apr 15 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-160400-
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-
551 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.LATE THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less.
Patchy dense fog. a chance of light rain and a slight chance of
thunderstorms.
.TONIGHT...E wind 5 to 10 kts backing NE in the late evening and
overnight. Waves 2 ft or less. Areas of dense fog. a chance of
light rain and a slight chance of thunderstorms.
.THURSDAY...NE wind 5 to 10 kts veering SE early in the
afternoon. Waves 2 ft or less. Areas of dense fog in the morning.
Patchy fog in the afternoon. .
.THURSDAY NIGHT...SE wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy.
.FRIDAY...SE wind 10 to 15 kts veering S 15 to 25 kts early in
the afternoon. Waves 1 to 3 ft. Mostly cloudy. A Small Craft
Advisory may be needed.

$$

LMZ541-160400-
Rock Island Passage to Sturgeon Bay WI-
551 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.LATE THIS AFTERNOON...E wind around 5 kts. Waves 2 ft or less.
Areas of dense fog. a slight chance of light rain and
thunderstorms.
.TONIGHT...NE wind 5 to 10 kts backing N after midnight. Waves
2 ft or less. Areas of dense fog. a slight chance of
thunderstorms in the evening. A chance of light rain.
.THURSDAY...NE wind 5 to 10 kts veering SE early in the
afternoon. Waves 2 ft or less. Areas of dense fog in the morning.
.
.THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy in the evening then becoming mostly cloudy.
.FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts early in
the afternoon. Waves 2 ft or less building to 3 to 5 ft in the
afternoon. Mostly cloudy. A Small Craft Advisory may be needed.

$$

LMZ542-543-160400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
551 PM CDT Wed Apr 15 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

.LATE THIS AFTERNOON...E wind around 5 kts. Waves 2 ft or less.
Areas of dense fog. a chance of light rain and thunderstorms.
.TONIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Areas of
dense fog. light rain likely in the evening. A chance of
thunderstorms. A chance of light rain after midnight.
.THURSDAY...N wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Areas of dense fog in the morning. Patchy fog
in the afternoon. .
.THURSDAY NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy in the evening then becoming mostly cloudy.
.FRIDAY...S wind 10 to 15 kts increasing to 15 to 25 kts in the
late morning and afternoon. Waves 1 to 3 ft building to 3 to 5 ft
in the afternoon. Mostly cloudy. A Small Craft Advisory may be
needed.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.