FZUS53 KGRB 131508
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1008 AM 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-
1008 AM CDT Mon Apr 13 2026

.THIS AFTERNOON...NW wind 5 to 10 kts veering NE mid-day, then
veering E 10 to 15 kts early in the afternoon. Waves 2 ft or
less. Patchy fog during the morning. a slight chance of
thunderstorms in the afternoon.
.TONIGHT...E wind 10 to 15 kts backing NE 5 to 10 kts after
midnight. Waves 2 ft or less. Patchy fog in the evening, then
areas of fog after midnight. rain with thunderstorms likely in
the evening, then showers and a chance of thunderstorms after
midnight.
.TUESDAY...N wind 5 to 10 kts veering E in the late morning and
afternoon. Waves 2 ft or less. Areas of fog in the morning. .
.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-
1008 AM CDT Mon Apr 13 2026

.THIS AFTERNOON...NW wind 5 to 10 kts veering E early in the
afternoon. Waves 2 to 4 ft. Patchy fog during the morning.
.TONIGHT...E wind 10 to 15 kts. Waves 2 to 4 ft. Patchy fog in
the evening, then areas of fog after midnight. rain with
thunderstorms likely in the evening, then showers and a chance of
thunderstorms after midnight.
.TUESDAY...NW wind 5 to 10 kts veering SE early in the afternoon.
Waves 3 to 5 ft. Areas of fog in the morning. Patchy fog in the
afternoon. .
.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-
1008 AM CDT Mon Apr 13 2026

.THIS AFTERNOON...W wind 10 to 15 kts backing E in the late
morning and afternoon. Waves 1 to 3 ft. Patchy dense fog. a
slight chance of light rain and thunderstorms in the afternoon.
.TONIGHT...E wind 10 to 15 kts veering SW 5 to 10 kts after
midnight. Waves 2 to 4 ft building to 3 to 5 ft after midnight.
Patchy fog. rain with thunderstorms likely in the evening. A
chance of thunderstorms and a slight chance of showers after
midnight. A Small Craft Advisory may be needed.
.TUESDAY...W wind 5 to 10 kts backing SE early in the afternoon.
Waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon. Areas of
fog in the morning. a chance of showers in the afternoon. 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.