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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:20 am EDT May 26, 2026
Forecast Valid: 5am EDT May 26, 2026-6pm EDT Jun 1, 2026

Today

W wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas 2 to 3 ft.

Tonight

SW wind 10 to 15 kt. Increasing clouds. Seas 2 to 3 ft.

Wednesday

WSW wind 5 to 10 kt. Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Seas 1 to 2 ft.

Wednesday Night

WNW wind 5 to 10 kt becoming NNW in the evening. Cloudy, then gradually becoming partly cloudy. Seas around 1 ft.

Thursday

NNW wind 5 to 10 kt becoming NNE in the afternoon. Scattered showers. Seas around 1 ft.

Thursday Night

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

Friday

NW wind 5 to 10 kt becoming ESE in the afternoon. A chance of showers after noon. Seas around 1 ft.

Friday Night

SE wind 10 to 15 kt becoming E after midnight. Showers likely. Seas around 1 ft.

Saturday

NE wind around 15 kt, with gusts as high as 20 kt. Showers likely. 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.