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Gray/Portland, ME Local Forecast Office

23NM S Portland ME

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
NNW 10kt
2-3ft
Tuesday
High: 41 °F
E 10kt
2ft
Tuesday Night
Low: 34 °F
⇑N 25kt
5ft
Wednesday
High: 39 °F
NNW 20kt⇓
5ft
Wednesday Night
Low: 36 °F
⇑SW 20kt
5ft
Thursday
High: 38 °F
⇑W 25kt
5ft
Thursday Night
Low: 19 °F
WNW 25kt⇓
4-5ft
Friday
High: 31 °F
WNW 15kt
3ft
Friday Night
Low: 29 °F
WSW 15kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:23 pm EST Dec 1, 2025
Forecast Valid: 4pm EST Dec 1, 2025-6pm EST Dec 8, 2025

View Nearby Observations

Detailed Forecast

Tonight

NNW wind 5 to 10 kt becoming SE after midnight. Increasing clouds. Seas 2 to 3 ft.

Tuesday

S wind around 10 kt becoming E in the afternoon. A slight chance of snow before 9am, then rain and snow likely between 9am and 11am, then rain after 11am. Seas around 2 ft.

Tuesday Night

ENE wind 15 to 20 kt becoming N 20 to 25 kt in the evening. Winds could gust as high as 35 kt. Rain, possibly mixed with snow before 4am, then a slight chance of rain. Seas 3 ft building to 5 ft.

Wednesday

NNW wind 15 to 20 kt becoming W 5 to 8 kt. Winds could gust as high as 30 kt. Mostly sunny. Seas around 5 ft.

Wednesday Night

SW wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Mostly cloudy. Seas around 5 ft.

Thursday

SW wind 20 to 23 kt becoming W 22 to 25 kt in the afternoon. Winds could gust as high as 35 kt. A chance of rain and snow showers before 2pm, then a chance of snow showers between 2pm and 5pm. Seas around 5 ft.

Thursday Night

WNW wind 22 to 25 kt decreasing to 20 to 23 kt after midnight. Winds could gust as high as 35 kt. Mostly clear. Seas 4 to 5 ft.

Friday

WNW wind around 15 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Seas around 3 ft.

Friday Night

WSW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. 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.