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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

This Afternoon
High: 32 °F
WNW 10kt
2ft
Tonight
Low: 13 °F
WNW 10kt
1ft
Thursday
High: 29 °F
Light Wind
1ft
Thursday Night
Low: 15 °F
Light Wind
1ft
Friday
High: 27 °F
Light Wind
1ft
Friday Night
Low: 22 °F
Light Wind
1ft
Saturday
High: 27 °F
⇑N 15kt
1-2ft
Saturday Night
Low: 4 °F
NW 15kt
2ft
Sunday
High: 17 °F
NW 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 pm EST Feb 4, 2026
Forecast Valid: 3pm EST Feb 4, 2026-6pm EST Feb 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

WNW wind around 10 kt. Sunny. Seas around 2 ft.

Tonight

WNW wind 5 to 10 kt. Widespread freezing spray after 3am. Mostly clear. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. Widespread freezing spray before 8am. Sunny. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. Widespread freezing spray after midnight. Increasing clouds. Seas around 1 ft.

Friday

Variable winds 5 kt or less. Widespread freezing spray before 9am. 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 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Snow likely, mainly before 1pm. Widespread freezing spray after 2pm. Seas 1 to 2 ft.

Saturday Night

NW wind around 15 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly cloudy. Seas around 2 ft.

Sunday

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