For More Weather Information:

Gray/Portland, ME Local Forecast Office

9NM ESE Belfast ME

Marine Point Forecast

[NOTICE]

Tonight
Low: 50 °F
SSW 10kt⇓
1ft
Columbus Day
High: 64 °F
Light Wind
1ft
Monday Night
Low: 44 °F
NNE 15kt
1ft
Tuesday
High: 52 °F
ESE 10kt
1ft
Tuesday Night
Low: 51 °F
S 15kt
1ft
Wednesday
High: 59 °F
SSW 10kt
1ft
Wednesday Night
Low: 47 °F
NW 10kt
1ft
Thursday
High: 55 °F
NW 20kt
1ft
Thursday Night
Low: 41 °F
NNW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Oct 11, 2026
Forecast Valid: 5pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 7 to 10 kt decreasing to 5 to 8 kt after midnight. Winds could gust as high as 20 kt. Scattered showers, mainly after midnight. Seas around 1 ft.

Columbus Day

Variable winds 5 kt or less. A chance of showers before 7am. Seas around 1 ft.

Monday Night

NNE wind 10 to 15 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

ENE wind around 10 kt becoming ESE in the afternoon. Rain, mainly after 8am. Seas around 1 ft.

Tuesday Night

S wind around 15 kt, with gusts as high as 25 kt. Showers. Seas around 1 ft.

Wednesday

SSW wind around 10 kt becoming NW in the afternoon. Showers likely before 10am. Seas around 1 ft.

Wednesday Night

NW wind around 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

NW wind 15 to 20 kt. Sunny. Seas around 1 ft.

Thursday Night

NNW wind 5 to 10 kt. Mostly clear. Seas around 1 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.