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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:17 am EST Feb 14, 2026
Forecast Valid: 4am EST Feb 14, 2026-6pm EST Feb 20, 2026

Saturday

W wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

NNW wind 7 to 10 kt becoming NW 5 to 8 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

Sunday Night

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

Washington's Birthday

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

Monday Night

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

Tuesday

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

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. A chance of rain. 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.