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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:26 pm EST Feb 27, 2026
Forecast Valid: 5pm EST Feb 27, 2026-6pm EST Mar 6, 2026

Tonight

SSW wind 10 to 15 kt. Mostly clear. Seas around 2 ft.

Saturday

SSW wind around 15 kt, with gusts as high as 20 kt. Sunny. Seas 2 to 3 ft.

Saturday Night

SW wind around 10 kt becoming N after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NNE wind 10 to 15 kt becoming NNW in the afternoon. A chance of snow after 7am. Seas around 2 ft.

Sunday Night

NNW wind 15 to 20 kt, with gusts as high as 25 kt. Widespread freezing spray after 8pm. Mostly clear. Seas around 2 ft.

Monday

NNW wind 10 to 15 kt becoming WNW 5 to 8 kt in the afternoon. Widespread freezing spray before 1pm. Mostly sunny. Seas 1 to 2 ft.

Monday Night

W wind around 10 kt becoming WSW after midnight. Widespread freezing spray after 10pm. Mostly clear. Seas 1 to 2 ft.

Tuesday

S wind 15 to 20 kt. A chance of snow after 1pm, mixing with rain after 4pm. Widespread freezing spray before 9am. Seas around 2 ft.

Tuesday Night

SSW wind 15 to 20 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain and snow likely, mainly after 9pm. 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.