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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:45 pm EDT Aug 13, 2026
Forecast Valid: 9pm EDT Aug 13, 2026-6pm EDT Aug 20, 2026

Tonight

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Friday

WNW wind 5 to 10 kt. Sunny. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Saturday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Sunday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Sunday Night

S wind around 10 kt. Showers likely, mainly after 10pm. Seas 1 to 2 ft.

Monday

E wind 5 to 10 kt becoming ENE in the morning. A chance of showers. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. Partly cloudy. 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.