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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:49 am EDT May 9, 2026
Forecast Valid: 11am EDT May 9, 2026-6pm EDT May 15, 2026

Today

Variable winds 5 kt or less. Rain. Seas 1 ft or less.

Tonight

S wind around 10 kt, with gusts as high as 20 kt. Showers, mainly before 11pm. Seas 1 ft or less.

Sunday

S wind around 10 kt. A slight chance of showers before 1pm, then a chance of showers after 5pm. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers before 8pm, then a chance of showers after 10pm. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. A chance of showers before 2pm. Seas 1 ft or less.

Monday Night

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

Tuesday

NNW wind 5 to 10 kt becoming NNE in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Partly sunny. Seas 1 ft or less.

*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.