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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:22 am EDT Jun 5, 2026
Forecast Valid: 6am EDT Jun 5, 2026-6pm EDT Jun 11, 2026

Today

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

Tonight

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

Saturday

S wind 5 to 10 kt becoming ENE in the morning. A slight chance of thunderstorms after 5pm. Seas around 2 ft.

Saturday Night

WSW wind around 10 kt. A chance of showers before 2am. Seas around 2 ft.

Sunday

WSW wind 5 to 10 kt becoming NNW in the afternoon. Showers, mainly after 1pm. Seas around 2 ft.

Sunday Night

N wind around 15 kt. Showers likely before 8pm. Seas 1 to 2 ft.

Monday

N wind 10 to 15 kt becoming E 5 to 8 kt in the afternoon. Sunny. Seas around 2 ft.

Monday Night

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

Tuesday

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