FZUS53 KGRB 162145
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
445 PM CDT Sat May 16 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-170400-
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-
445 PM CDT Sat May 16 2026

.LATE THIS AFTERNOON...W wind 10 to 15 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...W wind 10 to 15 kts veering NE 10 to 20 kts in the
late evening and overnight. Waves 1 to 3 ft. Clear in the evening
then becoming partly cloudy.
.SUNDAY...NE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
showers.
.SUNDAY NIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the
late evening and overnight. Waves 1 to 3 ft. A chance of showers
in the evening. A chance of thunderstorms. Rain showers likely
after midnight. A Small Craft Advisory may be needed.
.MONDAY...S wind 10 to 20 kts. Waves 1 to 3 ft. A chance of
showers in the morning, then showers likely and a chance of
thunderstorms in the afternoon.

$$

LMZ541-170400-
Rock Island Passage to Sturgeon Bay WI-
445 PM CDT Sat May 16 2026

.LATE THIS AFTERNOON...W wind 10 to 15 kts. Waves 2 to 4 ft.
Sunny.
.TONIGHT...NW wind 10 to 15 kts veering NE in the late evening
and overnight. Waves 2 to 4 ft. Clear in the evening then
becoming partly cloudy.
.SUNDAY...NE wind 10 to 20 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. A chance of showers.
.SUNDAY NIGHT...E wind 15 to 25 kts veering S in the late evening
and overnight. Waves 5 to 8 ft. A chance of showers in the
evening. A chance of thunderstorms. Rain showers likely after
midnight. A Small Craft Advisory may be needed.
.MONDAY...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of
showers in the morning, then showers likely in the afternoon.

$$

LMZ542-543-170400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
445 PM CDT Sat May 16 2026

.LATE THIS AFTERNOON...SW wind 10 to 15 kts. Waves 1 to 3 ft.
Sunny.
.TONIGHT...W wind 5 to 10 kts veering NE 10 to 20 kts in the late
evening and overnight. Waves 2 to 4 ft. Mostly clear in the
evening then becoming mostly cloudy.
.SUNDAY...NE wind 10 to 20 kts veering E 15 to 25 kts early in
the afternoon. Waves 2 to 4 ft. A chance of showers.
.SUNDAY NIGHT...SE wind 15 to 25 kts veering S in the late
evening and overnight. Waves 4 to 7 ft building to 5 to 8 ft
after midnight. A chance of showers.
.MONDAY...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of
showers in the morning, then showers likely in the afternoon.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.