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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:17 pm EDT Apr 22, 2026
Forecast Valid: 9pm EDT Apr 22, 2026-6pm EDT Apr 29, 2026

Tonight

S wind 5 to 10 kt. Isolated showers before 3am. Seas around 2 ft.

Thursday

W wind 5 to 10 kt becoming NW in the afternoon. Partly sunny, then gradually becoming sunny. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Friday

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

Friday Night

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

Saturday

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

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Sunday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. 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.