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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:20 pm EST Jan 12, 2026
Forecast Valid: 8pm EST Jan 12, 2026-6pm EST Jan 19, 2026

Tonight

WSW wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 2 ft.

Tuesday

WSW wind 10 to 15 kt becoming SSW in the afternoon. Winds could gust as high as 20 kt. Increasing clouds. Seas 1 to 2 ft.

Tuesday Night

SSW wind 15 to 20 kt, with gusts as high as 30 kt. Cloudy. Seas 2 to 3 ft.

Wednesday

SSW wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Cloudy. Seas 2 to 3 ft.

Wednesday Night

SSW wind 5 to 10 kt. A chance of rain after 9pm. Seas 1 to 2 ft.

Thursday

WSW wind 10 to 15 kt. A chance of rain before 4pm. Seas around 2 ft.

Thursday Night

WNW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain between 9pm and 11pm, then a chance of snow after 11pm. Seas 2 to 3 ft.

Friday

WNW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow. Seas 3 to 4 ft.

Friday Night

WSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. 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.