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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:12 am EDT Apr 11, 2026
Forecast Valid: 11am EDT Apr 11, 2026-6pm EDT Apr 17, 2026

Today

NW wind 10 to 15 kt. Sunny. Seas around 3 ft.

Tonight

NW wind 5 to 10 kt. Clear. Seas around 3 ft.

Sunday

NW wind 5 to 10 kt becoming SSE in the afternoon. Increasing clouds. Seas around 3 ft.

Sunday Night

S wind around 10 kt. Showers likely, mainly after midnight. Seas around 3 ft.

Monday

SW wind 10 to 15 kt. A chance of showers after 2pm. Seas 3 to 4 ft.

Monday Night

W wind around 10 kt. A chance of showers before 8pm. Seas around 3 ft.

Tuesday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Tuesday Night

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

Wednesday

S wind 5 to 10 kt. A chance of showers. 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.