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Green Bay, WI Local Forecast Office

22NM E Green Bay WI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 49 °F
W 12kt
1-2ft
Tonight
Low: 36 °F
NE 9kt
< 1ft
Friday
High: 44 °F
N 8kt
< 1ft
Friday Night
Low: 33 °F
Light Wind
< 1ft
Saturday
High: 43 °F
S 13kt
< 1ft
Saturday Night
Low: 38 °F
SSE 19kt
4ft
Sunday
High: 58 °F
S 20kt
5ft
Sunday Night
Low: 54 °F
SSW 22kt
3-5ft
Monday
High: 62 °F
WSW 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:22 am CDT Apr 9, 2026
Forecast Valid: 12pm CDT Apr 9, 2026-6pm CDT Apr 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

W wind 9 to 12 kt. Mostly sunny. Waves 1 to 2 ft.

Tonight

SW wind 5 to 9 kt becoming NE after midnight. A chance of rain before 4am, then a chance of rain and snow. Waves 1 ft or less.

Friday

N wind 6 to 8 kt. A slight chance of rain before 7am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Saturday

S wind 5 to 13 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

SSE wind 9 to 19 kt. Showers likely, then showers and possibly a thunderstorm after 10pm. Waves 1 ft building to 4 ft.

Sunday

S wind 18 to 20 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Waves around 5 ft.

Sunday Night

SSW wind 18 to 22 kt. Showers likely. Waves 3 to 5 ft.

Monday

WSW wind 11 to 15 kt. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Waves 2 to 3 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.