FZUS53 KGRB 171337
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
837 AM CDT Sun May 17 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-171600-
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-
837 AM CDT Sun May 17 2026

.TODAY...NE 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.
.TONIGHT...E wind 10 to 15 kts veering SE, then veering S 15 to
25 kts after midnight. Waves 2 to 4 ft. Patchy fog. a chance of
showers and thunderstorms. A Small Craft Advisory may be needed.
.MONDAY...S wind 10 to 20 kts. Waves 2 to 4 ft. A chance of
showers in the morning. A chance of thunderstorms. Rain showers
likely in the afternoon.
.MONDAY NIGHT...S wind 10 to 15 kts. Waves 2 to 4 ft. Rain
showers and a chance of thunderstorms.

$$

LMZ541-171600-
Rock Island Passage to Sturgeon Bay WI-
837 AM CDT Sun May 17 2026

.TODAY...NE 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.
.TONIGHT...E wind 10 to 15 kts veering SE 15 to 25 kts, then
veering S after midnight. Waves 2 to 4 ft building to 4 to 7 ft
after midnight. Patchy fog. a chance of showers and
thunderstorms. A Small Craft Advisory may be needed.
.MONDAY...S wind 15 to 25 kts. Waves 4 to 7 ft. A chance of
showers in the morning. A chance of thunderstorms. Rain showers
likely in the afternoon.
.MONDAY NIGHT...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of
showers in the evening. A chance of thunderstorms. Rain showers
after midnight.

$$

LMZ542-543-171600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
837 AM CDT Sun May 17 2026

.TODAY...NE wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. Waves 2 to 4 ft. A chance of showers in the
morning. A chance of thunderstorms. Rain showers likely in the
afternoon. patchy fog in the afternoon.
.TONIGHT...E wind 10 to 15 kts veering S 15 to 25 kts in the late
evening and overnight. Waves 2 to 4 ft building to 4 to 7 ft
after midnight. Patchy fog. a chance of showers and a slight
chance of thunderstorms.
.MONDAY...S wind 15 to 25 kts. Waves 4 to 7 ft. A chance of
showers and thunderstorms.
.MONDAY NIGHT...S wind 15 to 25 kts. Waves 5 to 8 ft. A chance of
showers in the evening. A chance of thunderstorms. Rain showers
after midnight.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.