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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:50 am EDT Apr 15, 2026
Forecast Valid: 9am EDT Apr 15, 2026-6pm EDT Apr 21, 2026

Today

Variable winds 5 kt or less. Isolated showers after 4pm. Areas of fog. Seas 1 to 2 ft.

Tonight

Variable winds 5 kt or less. Scattered showers and thunderstorms, then showers likely after 11pm. Areas of fog. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. Scattered showers, with thunderstorms also possible after 5pm. Areas of fog between noon and 3pm. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. Showers likely, mainly between 9pm and midnight. Seas around 1 ft.

Friday

Variable winds 5 kt or less. Showers likely, mainly after 11am. Seas 1 to 2 ft.

Friday Night

Variable winds 5 kt or less. A chance of showers before 10pm. Seas around 2 ft.

Saturday

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

Saturday Night

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

Sunday

S wind 5 to 10 kt. Showers likely. 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.