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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:08 pm EST Jan 8, 2026
Forecast Valid: 7pm EST Jan 8, 2026-6pm EST Jan 15, 2026

Tonight

Variable winds 5 kt or less. Patchy freezing fog after 3am. Seas around 1 ft.

Friday

S wind 5 to 10 kt increasing to 15 to 20 kt. A chance of rain, mainly after 5pm. Patchy freezing fog before 9am. Seas 1 to 2 ft.

Friday Night

S wind 15 to 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Rain likely, mainly before 1am. Seas around 3 ft.

Saturday

W wind 10 to 15 kt becoming NW 5 to 8 kt in the afternoon. A chance of rain after 3pm. Seas 1 to 2 ft.

Saturday Night

ENE wind 10 to 13 kt increasing to 12 to 15 kt after midnight. Winds could gust as high as 25 kt. Rain, mainly after 7pm. Seas 1 to 2 ft.

Sunday

NE wind 10 to 15 kt becoming NNW in the afternoon. Rain likely, mainly before 7am. Seas around 2 ft.

Sunday Night

WNW wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 35 kt. A chance of rain before 10pm. Seas 2 to 3 ft.

Monday

W wind 20 to 25 kt, with gusts as high as 35 kt. Mostly sunny. Seas 2 to 3 ft.

Monday Night

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