FZUS53 KGRB 160945
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
444 AM CDT Thu Apr 16 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-161600-
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-
444 AM CDT Thu Apr 16 2026

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

.EARLY THIS MORNING...NE wind 5 to 10 kts. Waves 2 ft or less.
Areas of dense fog. a chance of light rain.
.TODAY...NE wind 5 to 10 kts veering S early in the afternoon.
Waves 2 ft or less. A chance of light rain in the morning. areas
of dense fog in the morning, then patchy fog in the afternoon.
.TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Mostly clear
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 1 to 3 ft. Mostly cloudy. A Small Craft
Advisory may be needed.
.FRIDAY NIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after
midnight. Waves 1 to 3 ft. A chance of thunderstorms in the
evening. Rain showers.

$$

LMZ541-161600-
Rock Island Passage to Sturgeon Bay WI-
444 AM CDT Thu Apr 16 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.
Areas of dense fog. a chance of light rain.
.TODAY...N wind 5 to 10 kts veering S early in the afternoon.
Waves 2 ft or less. Areas of dense fog in the morning. a slight
chance of light rain in the morning.
.TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy
in the evening then becoming mostly cloudy.
.FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to
7 ft in the afternoon. Mostly cloudy. A Small Craft Advisory may
be needed.
.FRIDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 5 to 8 ft. A chance of thunderstorms in the evening. Rain
showers.

$$

LMZ542-543-161600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
444 AM CDT Thu Apr 16 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.
Areas of dense fog. a chance of light rain and a slight chance of
thunderstorms.
.TODAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 2 ft or less. A chance of light rain and a slight chance of
thunderstorms in the morning. areas of dense fog in the morning,
then patchy fog in the afternoon.
.TONIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy.
.FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late
morning and afternoon. Waves 2 to 4 ft building to 4 to 7 ft in
the afternoon. Mostly cloudy. A Small Craft Advisory may be
needed.
.FRIDAY NIGHT...S wind to 30 kts veering W 15 to 25 kts after
midnight. Waves 5 to 8 ft. A chance of thunderstorms in the
evening. Rain showers.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.