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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:43 pm EST Dec 6, 2025
Forecast Valid: 9pm EST Dec 6, 2025-6pm EST Dec 13, 2025

Tonight

WNW wind around 10 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 to 2 ft.

Sunday

NW wind 7 to 10 kt becoming N 5 to 8 kt in the afternoon. Increasing clouds. Seas around 1 ft.

Sunday Night

NE wind 5 to 8 kt becoming WNW 10 to 15 kt in the evening. A chance of rain and snow before 2am, then a chance of snow. Seas 1 to 2 ft.

Monday

NW wind around 20 kt, with gusts as high as 30 kt. Sunny. Seas 2 to 3 ft.

Monday Night

NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.

Tuesday

W wind 10 to 13 kt becoming SW 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 1 to 2 ft.

Tuesday Night

WSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow before 1am. Seas around 3 ft.

Wednesday

SSW wind 10 to 15 kt. A chance of rain. Seas around 2 ft.

Wednesday Night

WSW wind around 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 2 to 3 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.