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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:19 pm EDT Jul 5, 2026
Forecast Valid: 3pm EDT Jul 5, 2026-6pm EDT Jul 12, 2026

This Afternoon

SE wind around 10 kt. Mostly sunny. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Monday

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

Monday Night

E wind 5 to 10 kt. Rain likely, mainly after 2am. Seas around 1 ft.

Tuesday

ENE wind around 15 kt, with gusts as high as 20 kt. Rain. Seas around 2 ft.

Tuesday Night

NNE wind 10 to 15 kt. Showers likely, mainly before 8pm. Seas around 2 ft.

Wednesday

NNE wind 5 to 10 kt becoming E in the afternoon. Partly sunny. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 to 2 ft.

Thursday

SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 1 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.