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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:23 pm EDT Jul 3, 2026
Forecast Valid: 5pm EDT Jul 3, 2026-6pm EDT Jul 10, 2026

Tonight

Variable winds 5 kt or less. Isolated showers and thunderstorms between 9pm and 1am. Seas around 1 ft.

Independence Day

Variable winds 5 kt or less. Scattered showers and thunderstorms, mainly after 5pm. Seas around 1 ft.

Saturday Night

NNW wind 5 to 10 kt. Isolated showers before 7pm. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

Sunday Night

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

Monday

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

Monday Night

Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.

Tuesday

E wind around 10 kt. A chance of showers. Seas 1 to 2 ft.

Tuesday Night

E wind 5 to 10 kt becoming NNE after midnight. A chance of showers. Seas around 2 ft.

Winds and seas higher in and near tstms.

*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.