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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:22 pm EDT May 2, 2026
Forecast Valid: 9pm EDT May 2, 2026-6pm EDT May 9, 2026

Tonight

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

Sunday

NW wind 10 to 15 kt. A chance of showers, mainly before 9am. Seas around 2 ft.

Sunday Night

WNW wind around 10 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.

Monday

SW wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.

Monday Night

SSW wind around 15 kt. Mostly clear. Seas around 3 ft.

Tuesday

S wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

SSW wind 20 to 25 kt, with gusts as high as 30 kt. Mostly cloudy. Seas 4 to 5 ft.

Wednesday

S wind around 20 kt, with gusts as high as 30 kt. A chance of showers. Seas around 4 ft.

Wednesday Night

SSW wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely. Seas 3 to 4 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.