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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:34 am EDT Apr 8, 2026
Forecast Valid: 8am EDT Apr 8, 2026-6pm EDT Apr 14, 2026

Today

Variable winds 5 kt or less. Sunny. Seas 1 to 2 ft.

Tonight

Variable winds 5 kt or less. Clear. Seas around 2 ft.

Thursday

SSW wind 5 to 8 kt becoming SSE 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Thursday Night

S wind around 10 kt becoming SSW after midnight. Partly cloudy. Seas 2 to 3 ft.

Friday

SSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

Friday Night

S wind 5 to 10 kt becoming W after midnight. A chance of showers after 9pm. Seas 3 to 4 ft.

Saturday

NW wind around 10 kt. Sunny. Seas around 4 ft.

Saturday Night

Variable winds 5 kt or less. Clear. Seas around 4 ft.

Sunday

Variable winds 5 kt or less. Sunny. 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.