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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:28 pm EDT Mar 24, 2026
Forecast Valid: 5pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026

Tonight

S wind around 10 kt becoming WSW after midnight. Partly cloudy. Seas around 4 ft.

Wednesday

W wind 5 to 10 kt becoming SSW in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Wednesday Night

SSW wind around 10 kt. A slight chance of rain after 2am. Seas 2 to 3 ft.

Thursday

SSW wind around 10 kt. A chance of rain before 3pm. Seas around 2 ft.

Thursday Night

SSW wind around 15 kt. Rain, mainly after 10pm. Seas around 3 ft.

Friday

NW wind 10 to 15 kt. Rain likely before 8am. Seas 2 to 3 ft.

Friday Night

N wind around 10 kt. Mostly clear. Seas around 2 ft.

Saturday

N wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 1 ft.

Saturday Night

S wind 5 to 10 kt becoming WSW after midnight. 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.