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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]

Sunday
High: 29 °F
⇑ENE 10kt
1ft
Sunday Night
Low: 20 °F
⇑E 20kt
1-2ft
Monday
High: 26 °F
NE 20kt⇓
2ft
Monday Night
Low: 12 °F
WNW 15kt
2ft
Tuesday
High: 23 °F
WNW 15kt
2ft
Tuesday Night
Low: 10 °F
WNW 10kt
1-2ft
Wednesday
High: 24 °F
WNW 10kt
1ft
Wednesday Night
Low: 10 °F
W 10kt
1ft
Thursday
High: 22 °F
NW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:17 am EST Jan 25, 2026
Forecast Valid: 3am EST Jan 25, 2026-6pm EST Jan 31, 2026

View Nearby Observations

Detailed Forecast

Sunday

N wind 5 to 8 kt becoming ENE 7 to 10 kt in the afternoon. Snow, mainly after 2pm. The snow could be heavy at times. Widespread freezing spray before 10am. Seas around 1 ft.

Sunday Night

E wind 15 to 18 kt increasing to 17 to 20 kt after midnight. Winds could gust as high as 30 kt. Snow. The snow could be heavy at times. Widespread freezing spray between 8pm and 9pm, then Widespread freezing spray between 10pm and 11pm. Seas 1 to 2 ft.

Monday

NE wind 17 to 20 kt becoming N 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Snow. Widespread freezing spray before 4pm. Seas around 2 ft.

Monday Night

NNW wind 10 to 15 kt becoming WNW after midnight. Winds could gust as high as 25 kt. Snow likely before 2am. Widespread freezing spray. Seas around 2 ft.

Tuesday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Mostly sunny. Seas around 2 ft.

Tuesday Night

WNW wind around 10 kt. Widespread freezing spray. Partly cloudy. Seas 1 to 2 ft.

Wednesday

WNW wind around 10 kt. Widespread freezing spray. Sunny. Seas around 1 ft.

Wednesday Night

W wind around 10 kt. Widespread freezing spray. Mostly cloudy. Seas around 1 ft.

Thursday

NW wind around 10 kt. Partly sunny. 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.