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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:18 pm EDT Apr 13, 2026
Forecast Valid: 6pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

Tonight

SW wind 12 to 15 kt becoming W 10 to 13 kt after midnight. A slight chance of showers before 7pm. Seas 3 to 4 ft.

Tuesday

WNW wind 5 to 10 kt becoming SE in the morning. A slight chance of showers after 5pm. Seas around 2 ft.

Tuesday Night

SSE wind 5 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms. Patchy fog between 9pm and 1am. Seas around 2 ft.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas 1 to 2 ft.

Friday

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

Friday 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.