FZUS53 KGRB 131807
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
107 PM CDT Mon Apr 13 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-132200-
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-
107 PM CDT Mon Apr 13 2026

.THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less. A
chance of showers and a slight chance of thunderstorms.
.TONIGHT...E wind 10 to 15 kts backing N 5 to 10 kts after
midnight. Waves 2 ft or less. Patchy fog in the evening. Areas of
dense fog after midnight. showers and a chance of thunderstorms.
.TUESDAY...N wind 5 to 10 kts veering NE in the late morning and
afternoon. Waves 2 ft or less. Patchy fog in the morning. a
chance of showers in the afternoon.
.TUESDAY NIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. A
chance of showers.

$$

LMZ541-132200-
Rock Island Passage to Sturgeon Bay WI-
107 PM CDT Mon Apr 13 2026

.THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 to 4 ft. Mostly
cloudy.
.TONIGHT...E wind 10 to 15 kts. Waves 3 to 5 ft. Patchy fog in
the evening. Areas of dense fog after midnight. showers and a
chance of thunderstorms. A Small Craft Advisory may be needed.
.TUESDAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 3 to 5 ft. Widespread fog in the morning. . A Small Craft
Advisory may be needed.
.TUESDAY NIGHT...NE wind 5 to 10 kts backing N after midnight.
Waves 1 to 3 ft. A chance of showers.

$$

LMZ542-543-132200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
107 PM CDT Mon Apr 13 2026

.THIS AFTERNOON...E wind 10 to 15 kts. Waves 1 to 3 ft. Areas of
dense fog. a chance of showers and thunderstorms.
.TONIGHT...E wind 10 to 15 kts veering SW after midnight. Waves
3 to 5 ft. Patchy fog in the evening. Areas of dense fog after
midnight. thunderstorms likely in the evening. Rain showers. A
chance of thunderstorms after midnight. A Small Craft Advisory
may be needed.
.TUESDAY...NW wind 5 to 10 kts veering E in the late morning and
afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft in the
afternoon. Areas of dense fog in the morning. . A Small Craft
Advisory may be needed.
.TUESDAY NIGHT...N wind 5 to 10 kts. Waves 1 to 3 ft. Rain
showers likely and a chance of thunderstorms in the evening, then
a chance of showers after midnight.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.