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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:30 am EST Jan 27, 2026
Forecast Valid: 4am EST Jan 27, 2026-6pm EST Feb 2, 2026

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. 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

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

Thursday

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

Thursday Night

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

Friday

W wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Friday Night

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

Saturday

WNW wind 5 to 10 kt becoming NNW in the afternoon. 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.