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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:40 pm EST Jan 29, 2026
Forecast Valid: 2pm EST Jan 29, 2026-6pm EST Feb 4, 2026

This Afternoon

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

Tonight

WNW wind 10 to 15 kt, with gusts as high as 30 kt. Mostly clear. Seas 1 ft or less.

Friday

WNW wind around 15 kt, with gusts as high as 30 kt. Sunny. Seas 1 ft or less.

Friday Night

WNW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.

Saturday

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

Saturday Night

N wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 30 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

N wind 20 to 23 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 40 kt. A chance of snow after 9am. Seas 1 ft or less.

Sunday Night

N wind 20 to 25 kt becoming NW 15 to 20 kt after midnight. Winds could gust as high as 40 kt. A chance of snow. Seas 1 ft or less.

Monday

NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly 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.