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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:27 am EDT Apr 5, 2026
Forecast Valid: 11am EDT Apr 5, 2026-6pm EDT Apr 11, 2026

Today

SSW wind around 10 kt. Showers and possibly a thunderstorm. Seas 2 to 3 ft.

Tonight

W wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely, mainly before 7pm. Seas around 3 ft.

Monday

W wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.

Monday Night

WNW wind 5 to 10 kt. A chance of snow showers after 5am. Seas 1 to 2 ft.

Tuesday

W wind 10 to 15 kt becoming E in the morning. Rain and snow showers likely, mainly between 11am and noon. Seas around 1 ft.

Tuesday Night

NW wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Seas around 2 ft.

Wednesday

NW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

SSW wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.

Thursday

S wind 15 to 20 kt. Sunny. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

*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.