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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:36 pm EDT Aug 20, 2026
Forecast Valid: 11pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026

Overnight

Variable winds 5 kt or less. A chance of showers before 2am, then a slight chance of showers after 4am. Seas around 1 ft.

Friday

NNE wind 5 to 10 kt becoming ENE in the afternoon. A slight chance of showers before 8am. Seas around 2 ft.

Friday Night

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

Saturday

ENE wind 5 to 10 kt. Showers likely, mainly after 11am. Seas around 2 ft.

Saturday Night

Variable winds 5 kt or less. Rain likely. Patchy fog after 9pm. Seas around 2 ft.

Sunday

Variable winds 5 kt or less. A chance of showers. Areas of fog before 8am. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 11pm. Seas around 2 ft.

Monday

Variable winds 5 kt or less. Mostly sunny. Seas 2 to 3 ft.

Monday Night

Variable winds 5 kt or less. Mostly clear. 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.