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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 12, 2026
Forecast Valid: 7pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026

Tonight

S wind around 10 kt. Rain, mainly before 4am. Seas around 3 ft.

Monday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly after 5pm. Seas 3 to 4 ft.

Monday Night

WSW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. A slight chance of showers before 8pm. Seas around 3 ft.

Tuesday

W wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 2 ft.

Tuesday Night

S wind around 10 kt becoming SW after midnight. A chance of showers before 1am. Seas around 2 ft.

Wednesday

SSW wind 5 to 10 kt. Partly sunny. Seas around 2 ft.

Wednesday Night

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

Thursday

E wind 5 to 10 kt. 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.

*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.