FZUS53 KGRB 180918
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
418 AM CDT Thu Jun 18 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-181615-
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-
418 AM CDT Thu Jun 18 2026

.TODAY...NW wind 10 to 15 kts backing W 5 to 10 kts early in the
afternoon. Waves 1 to 3 ft. A slight chance of showers and
thunderstorms in the afternoon.
.TONIGHT...W wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...W wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny.
.FRIDAY NIGHT...W wind 5 to 10 kts. Waves 2 ft or less. A chance
of showers.

$$

LMZ541>543-181615-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
418 AM CDT Thu Jun 18 2026

.TODAY...NW wind 10 to 15 kts backing SW 5 to 10 kts early in the
afternoon. Waves 2 to 4 ft subsiding to 2 ft or less in the
afternoon. A slight chance of showers.
.TONIGHT...W wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...W wind 5 to 10 kts backing SW early in the afternoon.
Waves 2 ft or less. Sunny.
.FRIDAY NIGHT...SW wind 5 to 10 kts veering W after midnight.
Waves 2 ft or less. A chance of showers.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Uhlmann