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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:21 pm EST Jan 6, 2026
Forecast Valid: 9pm EST Jan 6, 2026-6pm EST Jan 13, 2026

Tonight

ENE wind around 10 kt. A chance of rain and snow before midnight, then rain. Seas around 1 ft.

Wednesday

NNE wind 10 to 15 kt becoming NW in the afternoon. Rain likely, mainly before 1pm. Seas 1 to 2 ft.

Wednesday Night

WNW wind 10 to 15 kt. Mostly cloudy, then gradually becoming mostly clear. Seas around 2 ft.

Thursday

WNW wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Sunny. Seas around 2 ft.

Thursday Night

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

Friday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Rain likely, mainly after 4pm. Seas 2 to 3 ft.

Friday Night

SSW wind 10 to 15 kt becoming W after midnight. Winds could gust as high as 20 kt. Rain likely before 1am. Seas around 3 ft.

Saturday

NW wind around 10 kt becoming ENE in the afternoon. A chance of showers. Seas around 2 ft.

Saturday Night

ENE wind around 10 kt. Rain. Seas around 2 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.