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Detroit/Pontiac, MI Local Forecast Office

Port Hope MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
N 15kt
< 1ft
Tonight
Low: 40 °F
NNW 15kt
< 1ft
Saturday
High: 42 °F
NNW 16kt
< 1ft
Saturday Night
Low: 40 °F
NNW 14kt
< 1ft
Sunday
High: 44 °F
NNW 10kt
< 1ft
Sunday Night
Low: 34 °F
Light Wind
< 1ft
Monday
High: 47 °F
WSW 8kt
< 1ft
Monday Night
Low: 34 °F
SW 8kt
< 1ft
Tuesday
High: 51 °F
WSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:24 pm EST Nov 13, 2026
Forecast Valid: 1pm EST Nov 13, 2026-6pm EST Nov 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 15 kt, with gusts as high as 21 kt. A chance of rain before 5pm, then rain, possibly mixed with snow. Waves 1 ft or less.

Tonight

NNW wind 13 to 15 kt, with gusts as high as 23 kt. Rain before 7pm, then rain, possibly mixed with snow between 7pm and 9pm, then rain likely after 9pm. Waves 1 ft or less.

Saturday

NNW wind around 16 kt, with gusts as high as 23 kt. Cloudy. Waves 1 ft or less.

Saturday Night

NNW wind 11 to 14 kt, with gusts as high as 22 kt. Cloudy. Waves 1 ft or less.

Sunday

NNW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

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

Monday

WSW wind 5 to 8 kt. Sunny. Waves 1 ft or less.

Monday Night

SW wind 6 to 8 kt. Mostly clear. Waves 1 ft or less.

Tuesday

WSW wind 8 to 10 kt. Sunny. 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.