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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:17 am EDT Sep 3, 2026
Forecast Valid: 1pm EDT Sep 3, 2026-6pm EDT Sep 9, 2026

This Afternoon

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

Tonight

Variable winds 5 kt or less. A slight chance of showers before 7pm. Patchy fog. Seas around 2 ft.

Friday

Variable winds 5 kt or less. Patchy fog before 10am. Seas around 2 ft.

Friday Night

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Saturday

N wind 5 to 10 kt becoming NE in the afternoon. A chance of showers after 4pm. Seas around 2 ft.

Saturday Night

N wind 5 to 10 kt. A chance of showers before 7pm. Seas around 2 ft.

Sunday

N wind 5 to 10 kt becoming ENE in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Labor Day

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

Winds and seas higher in and near tstms.

*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.