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4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:23 pm EDT May 7, 2026
Forecast Valid: 8pm EDT May 7, 2026-6pm EDT May 14, 2026

Tonight

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

Friday

WSW wind 5 to 10 kt. Scattered showers, mainly between 2pm and 3pm. Seas around 1 ft.

Friday Night

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

Saturday

SW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Showers, mainly after 2pm. Seas around 1 ft.

Saturday Night

S wind around 10 kt. Showers likely, mainly before 9pm. Seas around 1 ft.

Sunday

SSW wind 5 to 10 kt. Partly sunny. Seas around 1 ft.

Sunday Night

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

Monday

Variable winds 5 kt or less. Showers likely. Seas around 1 ft.

Monday Night

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