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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:30 pm EDT May 26, 2026
Forecast Valid: 7pm EDT May 26, 2026-6pm EDT Jun 2, 2026

Tonight

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

Wednesday

WSW wind 5 to 10 kt becoming SSW in the afternoon. Partly sunny. Seas 1 to 2 ft.

Wednesday Night

N wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

N wind 5 to 10 kt becoming ENE in the afternoon. A chance of showers. Seas around 1 ft.

Thursday Night

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

Friday

N wind 5 to 8 kt becoming SE 7 to 10 kt in the afternoon. Partly sunny. Seas around 1 ft.

Friday Night

SSE wind 10 to 15 kt becoming SSW after midnight. Showers likely, mainly after 11pm. Seas 1 to 2 ft.

Saturday

E wind 10 to 15 kt becoming NE in the afternoon. Showers likely. Seas around 2 ft.

Saturday Night

NNW wind around 15 kt, with gusts as high as 20 kt. A chance of showers. 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.