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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:51 pm EST Jan 10, 2026
Forecast Valid: 3pm EST Jan 10, 2026-6pm EST Jan 17, 2026

This Afternoon

Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.

Tonight

E wind 10 to 13 kt becoming E 12 to 15 kt after midnight. Winds could gust as high as 30 kt. Rain, mainly before 4am. Seas 1 ft or less.

Sunday

NNE wind around 10 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. A chance of rain, mainly after 5pm. Seas 1 ft or less.

Sunday Night

W wind 15 to 20 kt, with gusts as high as 35 kt. Partly cloudy. Seas 1 ft or less.

Monday

W wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Winds could gust as high as 35 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

WSW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

SSW wind 10 to 15 kt, with gusts as high as 25 kt. Cloudy. 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.