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Detroit/Pontiac, MI Local Forecast Office

6NM NNW Bay Port MI

Marine Point Forecast

[NOTICE]

Wednesday
High: 53 °F
SSW 11kt
< 1ft
Wednesday Night
Low: 47 °F
SSW 11kt
< 1ft
Thursday
High: 51 °F
S 11kt
< 1ft
Thursday Night
Low: 46 °F
N 11kt
< 1ft
Friday
High: 51 °F
NE 8kt
< 1ft
Friday Night
Low: 42 °F
⇑SSE 20kt
< 1ft
Saturday
High: 57 °F
S 24kt
1-2ft
Saturday Night
Low: 48 °F
WSW 29kt
2ft
Sunday
High: 40 °F
W 30kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:35 am EDT Apr 15, 2026
Forecast Valid: 1am EDT Apr 15, 2026-6pm EDT Apr 21, 2026

View Nearby Observations

Detailed Forecast

Wednesday

SSW wind around 11 kt. A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Waves 1 ft or less.

Wednesday Night

SSW wind around 11 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Waves 1 ft or less.

Thursday

SE wind around 11 kt becoming NW in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Thursday Night

N wind 9 to 11 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Waves 1 ft or less.

Friday

NE wind around 8 kt. Partly sunny. Waves 1 ft or less.

Friday Night

E wind 9 to 14 kt becoming SSE 15 to 20 kt after midnight. A chance of showers after 2am. Waves 1 ft or less.

Saturday

SSE wind 22 to 24 kt becoming SSW in the afternoon. Winds could gust as high as 30 kt. Showers, mainly after 8am. Waves 1 to 2 ft.

Saturday Night

WSW wind 24 to 29 kt. Showers likely. Waves around 2 ft.

Sunday

W wind around 30 kt, with gusts as high as 38 kt. Partly sunny. Waves around 2 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.