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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:00 am EDT Mar 28, 2026
Forecast Valid: 8am EDT Mar 28, 2026-6pm EDT Apr 3, 2026

Today

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

Tonight

S wind 5 to 10 kt becoming NW after midnight. Partly cloudy. Seas around 2 ft.

Sunday

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

Sunday Night

SSW wind around 10 kt. Increasing clouds. Seas 2 to 3 ft.

Monday

SW wind around 10 kt. Partly sunny. Seas around 2 ft.

Monday Night

WSW wind 5 to 10 kt. Mostly cloudy. Seas 1 to 2 ft.

Tuesday

SE wind around 10 kt. A chance of rain. Seas 1 to 2 ft.

Tuesday Night

SE wind 10 to 15 kt becoming SSW in the evening. A chance of rain. Seas around 3 ft.

Wednesday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Rain likely. Seas around 3 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.