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3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:40 pm EDT Apr 28, 2026
Forecast Valid: 10pm EDT Apr 28, 2026-6pm EDT May 5, 2026

Tonight

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

Wednesday

NE wind around 10 kt. A chance of showers, mainly between 2pm and 4pm. Seas 1 ft or less.

Wednesday Night

E wind around 10 kt. Showers, mainly after 8pm. Seas 1 ft or less.

Thursday

ESE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Showers. Seas 1 ft or less.

Thursday Night

WNW wind around 10 kt, with gusts as high as 20 kt. Showers likely, mainly before 8pm. Seas 1 ft or less.

Friday

W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

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

Saturday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. 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.