FZUS53 KGRB 262318
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-270400-
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-
618 PM CDT Sun Apr 26 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after
midnight. Waves 2 ft or less. Partly cloudy in the evening then
becoming mostly cloudy.
.MONDAY...SE wind 15 to 25 kts. Waves 2 to 4 ft. Patchy fog. a
slight chance of showers in the morning. Rain showers likely and
a slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 3 to 5 ft. Patchy fog in the evening. showers and a chance
of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 1 to 3 ft. Partly sunny.

$$

LMZ541-270400-
Rock Island Passage to Sturgeon Bay WI-
618 PM CDT Sun Apr 26 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TONIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts in the
late evening and overnight. Waves 1 to 3 ft. Partly cloudy in the
evening then becoming mostly cloudy.
.MONDAY...SE wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft in the
afternoon. Patchy fog. showers likely and a slight chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 6 to 10 ft. Patchy fog in the evening. showers and a chance
of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 4 to 7 ft. Partly sunny.

$$

LMZ542-543-270400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
618 PM CDT Sun Apr 26 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CDT MONDAY THROUGH
TUESDAY AFTERNOON...

.TONIGHT...E wind 10 to 15 kts veering SE after midnight. Waves
2 ft or less building to 2 to 4 ft after midnight. Mostly cloudy.
.MONDAY...SE wind 15 to 25 kts. Waves 4 to 7 ft building to 6 to
10 ft in the afternoon. Patchy fog. a chance of showers in the
morning. 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 6 to 10 ft.
Patchy fog in the evening. showers and a chance of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts early
in the afternoon. Waves 4 to 7 ft subsiding to 1 to 3 ft in the
afternoon. Partly sunny.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.