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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:44 am EST Feb 2, 2026
Forecast Valid: 6am EST Feb 2, 2026-6pm EST Feb 8, 2026

Today

NW wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Widespread freezing spray before 11am. Sunny. Seas 3 to 4 ft.

Tonight

NNW wind 5 to 10 kt. Mostly clear. Seas 2 to 3 ft.

Tuesday

Variable winds 5 kt or less. Widespread freezing spray before 7am. Sunny. Seas around 2 ft.

Tuesday Night

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

Wednesday

W wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Wednesday Night

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 to 2 ft.

Thursday

WNW wind around 10 kt. Mostly sunny. Seas around 1 ft.

Thursday Night

NW wind around 10 kt. Partly cloudy. Seas around 1 ft.

Friday

W wind around 10 kt becoming SSW in the afternoon. Partly sunny. Seas around 1 ft.

*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.