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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:38 am EDT May 22, 2026
Forecast Valid: 11am EDT May 22, 2026-6pm EDT May 28, 2026

Today

ENE wind 5 to 10 kt becoming SE in the afternoon. Mostly sunny. Seas around 1 ft.

Tonight

S wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Seas around 1 ft.

Saturday

Variable winds 5 kt or less. Cloudy. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. A chance of showers after 5am. Seas around 1 ft.

Sunday

ESE wind around 10 kt. Showers, mainly after 11am. Seas around 1 ft.

Sunday Night

E wind 10 to 15 kt. Showers. Seas 2 to 3 ft.

Memorial Day

N wind 5 to 10 kt becoming NW in the afternoon. Showers likely, mainly before 9am. Seas around 3 ft.

Monday Night

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

Tuesday

WNW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Mostly sunny. 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.