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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:28 pm EST Feb 3, 2026
Forecast Valid: 5am EST Feb 4, 2026-6pm EST Feb 10, 2026

Today

W wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Seas 1 ft or less.

Tonight

WNW wind around 10 kt. Mostly clear. Seas 1 ft or less.

Thursday

NW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Thursday Night

NNW wind 5 to 10 kt becoming N after midnight. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Saturday

W wind 10 to 15 kt becoming NNW 20 to 25 kt. Winds could gust as high as 30 kt. A chance of snow showers after 3pm. Seas 1 ft or less.

Saturday Night

NW wind 20 to 25 kt, with gusts as high as 35 kt. A chance of snow showers. Seas 1 ft or less.

Sunday

NW wind 15 to 20 kt. Sunny. Seas 1 ft or less.

*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.