FZUS53 KGRB 132318
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-140400-
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 Mon Apr 13 2026

.TONIGHT...E wind 10 to 15 kts backing N 5 to 10 kts after
midnight. Waves 2 ft or less. Areas of dense fog in the evening.
Widespread dense fog after midnight. thunderstorms likely in the
evening. Rain showers. A chance of thunderstorms after midnight.
.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 light rain and a slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...E wind 5 to 10 kts backing NE in the late
evening and overnight. Waves 2 ft or less. A chance of light
rain.
.WEDNESDAY...NE wind 5 to 10 kts. Waves 2 ft or less. A chance of
light rain in the afternoon.

$$

LMZ541-140400-
Rock Island Passage to Sturgeon Bay WI-
618 PM CDT Mon Apr 13 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.TONIGHT...E wind 10 to 15 kts. Waves 1 to 3 ft. Areas of dense
fog in the evening. Widespread dense fog after midnight.
thunderstorms likely in the evening. Rain showers. A chance of
thunderstorms after midnight.
.TUESDAY...N wind 5 to 10 kts veering E early in the afternoon.
Waves 1 to 3 ft. Widespread fog in the morning. a slight chance
of light rain in the afternoon.
.TUESDAY NIGHT...NE wind 5 to 10 kts. Waves 1 to 3 ft. A chance
of light rain.
.WEDNESDAY...NE wind 5 to 10 kts. Waves 2 ft or less. A chance of
light rain in the afternoon.

$$

LMZ542-543-140400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
618 PM CDT Mon Apr 13 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.TONIGHT...E wind 10 to 15 kts veering SW after midnight. Waves
2 to 4 ft. Areas of dense fog in the evening. Widespread dense
fog after midnight. thunderstorms in the evening. Rain showers. A
chance of thunderstorms after midnight.
.TUESDAY...NW wind 5 to 10 kts veering E in the late morning and
afternoon. Waves 2 to 4 ft. Areas of dense fog in the morning. a
slight chance of light rain and thunderstorms in the afternoon.
.TUESDAY NIGHT...NE wind 5 to 10 kts backing N in the late
evening and overnight. Waves 1 to 3 ft. Light rain likely in the
evening, then a chance of light rain after midnight.
.WEDNESDAY...NE wind 10 to 15 kts. Waves 2 ft or less. A chance
of light rain.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.