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Gray/Portland, ME Local Forecast Office

8NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 29 °F
NW 10kt
1ft
Tonight
Low: 21 °F
NNE 10kt
1ft
Friday
High: 28 °F
NNE 10kt
1ft
Friday Night
Low: 25 °F
Light Wind
1ft
Saturday
High: 28 °F
⇑N 25kt
1-2ft
Saturday Night
Low: 10 °F
NW 30kt
3ft
Sunday
High: 18 °F
NW 20kt
3ft
Sunday Night
Low: 10 °F
NW 20kt
3ft
Monday
High: 25 °F
WNW 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:29 am EST Feb 5, 2026
Forecast Valid: 9am EST Feb 5, 2026-6pm EST Feb 11, 2026

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 10 kt. Widespread freezing spray before 10am. Sunny. Seas around 1 ft.

Tonight

NNW wind around 10 kt becoming NNE after midnight. Widespread freezing spray after 5am. Partly cloudy. Seas around 1 ft.

Friday

NNE wind 5 to 10 kt. Widespread freezing spray before 7am, then Widespread freezing spray between 8am and 10am. Mostly cloudy. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. A chance of snow after 2am. Seas around 1 ft.

Saturday

N wind 10 to 15 kt increasing to 20 to 25 kt. Winds could gust as high as 35 kt. Snow likely, mainly between 8am and 5pm. Widespread freezing spray after 4pm. Seas 1 to 2 ft.

Saturday Night

NW wind 25 to 30 kt, with gusts as high as 40 kt. A chance of snow showers before 9pm. Widespread freezing spray. Seas around 3 ft.

Sunday

NW wind around 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly sunny. Seas around 3 ft.

Sunday Night

NW wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly clear. Seas around 3 ft.

Monday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray before 4pm. Sunny. Seas 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.