For More Weather Information:

Gray/Portland, ME Local Forecast Office

23NM S Portland ME

Marine Point Forecast

[NOTICE]

Monday
High: 26 °F
NW 25kt⇓
4-5ft
Monday Night
Low: 20 °F
NW 15kt⇓
2-3ft
Tuesday
High: 35 °F
⇑SSW 15kt
2ft
Tuesday Night
Low: 32 °F
SSW 20kt
4-5ft
Wednesday
High: 45 °F
SSW 20kt
4ft
Wednesday Night
Low: 34 °F
SSW 20kt
4-5ft
Thursday
High: 39 °F
W 20kt
4-5ft
Thursday Night
Low: 28 °F
W 20kt
3ft
Friday
High: 34 °F
W 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:52 am EST Dec 8, 2025
Forecast Valid: 3am EST Dec 8, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Monday

NW wind 20 to 25 kt decreasing to 15 to 20 kt in the afternoon. Sunny. Seas 4 to 5 ft.

Monday Night

NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly clear. Seas 2 to 3 ft.

Tuesday

NW wind 5 to 8 kt becoming SSW 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Increasing clouds. Seas around 2 ft.

Tuesday Night

SSW wind 15 to 20 kt, with gusts as high as 30 kt. Snow likely before 11pm, then rain and snow likely between 11pm and 1am, then a chance of rain after 1am. Seas 4 to 5 ft.

Wednesday

SSW wind 15 to 20 kt, with gusts as high as 25 kt. Rain. Seas around 4 ft.

Wednesday Night

SSW wind around 20 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain likely, mainly before 9pm. Seas 4 to 5 ft.

Thursday

W wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Seas 4 to 5 ft.

Thursday Night

W wind 15 to 20 kt. Partly cloudy. Seas around 3 ft.

Friday

W wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 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.