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9NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:54 pm EST Nov 7, 2025
Forecast Valid: 1pm EST Nov 7, 2025-6pm EST Nov 13, 2025

This Afternoon

S wind 10 to 13 kt increasing to 12 to 15 kt. Winds could gust as high as 25 kt. Mostly cloudy. Seas around 2 ft.

Tonight

S wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Rain, mainly before 4am. Seas 3 to 4 ft.

Saturday

SW wind around 10 kt becoming WNW in the afternoon. A chance of rain, mainly before 7am. Seas 2 to 3 ft.

Saturday Night

NW wind 5 to 10 kt becoming NNE after midnight. Partly cloudy. Seas around 2 ft.

Sunday

NE wind 10 to 13 kt becoming ESE 12 to 15 kt in the afternoon. Rain likely, mainly after 5pm. Seas 1 to 2 ft.

Sunday Night

ESE wind around 15 kt, with gusts as high as 25 kt. Rain. Seas 2 to 3 ft.

Monday

W wind around 10 kt. Rain likely, mainly before 3pm. Seas around 3 ft.

Monday Night

W wind 15 to 20 kt, with gusts as high as 25 kt. Scattered showers. Seas around 3 ft.

Veterans Day

W wind 20 to 23 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Sunny. Seas 3 to 4 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.