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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:19 pm EST Jan 26, 2026
Forecast Valid: 12pm EST Jan 26, 2026-6pm EST Feb 1, 2026

This Afternoon

N wind around 15 kt, with gusts as high as 25 kt. Snow likely, mainly after 5pm. Seas 1 ft or less.

Tonight

N wind 15 to 20 kt becoming WNW after midnight. Winds could gust as high as 30 kt. Snow, mainly before 1am. Seas 1 ft or less.

Tuesday

WNW wind 12 to 15 kt becoming WSW 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Increasing clouds. Seas 1 ft or less.

Tuesday Night

W wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Wednesday

WNW wind around 10 kt. Sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

WNW wind 10 to 15 kt. Mostly sunny. Seas 1 ft or less.

Thursday Night

WNW wind around 15 kt. Mostly clear. Seas 1 ft or less.

Friday

W wind 10 to 15 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.