FZUS53 KGRB 130517
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1217 AM CDT Mon Apr 13 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-131000-
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-
1217 AM CDT Mon Apr 13 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...

.REST OF THE NIGHT...SW wind 15 to 25 kts decreasing to 10 to
15 kts after midnight. Waves 3 to 5 ft. A slight chance of light
rain late in the evening. patchy dense fog.
.MONDAY...W wind 5 to 10 kts veering NE mid-day, then veering E
10 to 15 kts early in the afternoon. Waves 1 to 3 ft. Patchy fog
in the morning. a slight chance of light rain in the afternoon.
.MONDAY NIGHT...E wind 10 to 15 kts backing NE 5 to 10 kts after
midnight. Waves 2 ft or less. Rain and a chance of thunderstorms.
.TUESDAY...NW wind 5 to 10 kts backing S early in the afternoon.
Waves 2 ft or less. A chance of light rain.

$$

LMZ541-131000-
Rock Island Passage to Sturgeon Bay WI-
1217 AM CDT Mon Apr 13 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF THE NIGHT...SW wind 15 to 25 kts. Waves 6 to 10 ft. A
slight chance of light rain late in the evening. areas of dense
fog.
.MONDAY...W wind 10 to 15 kts veering NE 5 to 10 kts mid-day,
then veering E 10 to 15 kts early in the afternoon. Waves 4 to
7 ft subsiding to 2 to 4 ft in the afternoon. Areas of fog in the
morning, then patchy fog in the afternoon. a slight chance of
light rain in the afternoon.
.MONDAY NIGHT...NE wind 10 to 15 kts. Waves 1 to 3 ft building to
2 to 4 ft after midnight. Patchy fog in the evening. rain and a
chance of thunderstorms.
.TUESDAY...W wind 5 to 10 kts backing SE early in the afternoon.
Waves 2 to 4 ft. A chance of light rain.

$$

LMZ542-543-131000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1217 AM CDT Mon Apr 13 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.REST OF THE NIGHT...SW wind 15 to 25 kts. Waves 4 to 7 ft. A
chance of light rain and a slight chance of thunderstorms late in
the evening. patchy dense fog.
.MONDAY...W wind 10 to 15 kts backing SE in the late morning and
afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the
afternoon. Patchy fog. a chance of light rain and a slight chance
of thunderstorms in the afternoon.
.MONDAY NIGHT...E wind 10 to 15 kts veering S after midnight.
Waves 1 to 3 ft building to 2 to 4 ft after midnight. Patchy fog
in the evening. rain in the evening. A chance of thunderstorms. A
chance of rain after midnight.
.TUESDAY...SW wind 10 to 15 kts backing S early in the afternoon.
Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A chance
of light rain in the afternoon.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.