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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]

Thursday
High: 37 °F
Light Wind
2ft
Thursday Night
Low: 28 °F
Light Wind
1ft
Friday
High: 38 °F
⇑E 10kt
1ft
Friday Night
Low: 25 °F
NE 15kt
1-2ft
Saturday
High: 33 °F
NNE 10kt⇓
2ft
Saturday Night
Low: 24 °F
N 10kt
2ft
Sunday
High: 36 °F
ENE 10kt
2ft
Sunday Night
Low: 27 °F
⇑NE 20kt
2ft
Monday
High: 34 °F
N 20kt⇓
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:47 am EST Feb 19, 2026
Forecast Valid: 2am EST Feb 19, 2026-6pm EST Feb 25, 2026

View Nearby Observations

Detailed Forecast

Thursday

Variable winds 5 kt or less. Sunny. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Friday

SSW wind 5 to 8 kt becoming E 7 to 10 kt in the afternoon. A chance of snow between 10am and 4pm, then snow likely, possibly mixed with rain. Seas around 1 ft.

Friday Night

ENE wind 10 to 15 kt becoming NNE after midnight. Snow. Seas 1 to 2 ft.

Saturday

NNE wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Snow likely, mainly before 7am. Seas around 2 ft.

Saturday Night

N wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Sunday

N wind around 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 2 ft.

Sunday Night

NE wind 10 to 15 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 25 kt. A chance of snow. Seas around 2 ft.

Monday

N wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. A chance of snow. 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.