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Detroit/Pontiac, MI Local Forecast Office

6NM NNW Bay Port MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 66 °F
ENE 12kt⇓
< 1ft
Independence Day
High: 79 °F
⇑E 6kt
< 1ft
Friday Night
Low: 74 °F
S 12kt
< 1ft
Saturday
High: 84 °F
SW 16kt
1ft
Saturday Night
Low: 75 °F
SSW 16kt
1ft
Sunday
High: 81 °F
SW 16kt
1ft
Sunday Night
Low: 66 °F
NW 13kt
1ft
Monday
High: 72 °F
N 14kt
1ft
Monday Night
Low: 65 °F
ENE 14kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:35 pm EDT Jul 3, 2025
Forecast Valid: 8pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Independence Day

Variable winds less than 5 kt becoming E around 6 kt in the morning. Sunny. Waves 1 ft or less.

Friday Night

S wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.

Saturday

SW wind 14 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

SSW wind around 16 kt. Partly cloudy. Waves around 1 ft.

Sunday

SW wind around 16 kt, with gusts as high as 22 kt. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves around 1 ft.

Sunday Night

NW wind around 13 kt becoming N in the evening. A chance of showers and thunderstorms. Waves around 1 ft.

Monday

N wind 12 to 14 kt. Mostly cloudy. Waves around 1 ft.

Monday Night

ENE wind 9 to 14 kt. Partly cloudy. Waves 1 ft or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

*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.