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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:08 pm EST Jan 8, 2026
Forecast Valid: 9pm EST Jan 8, 2026-6pm EST Jan 15, 2026

Tonight

Variable winds 5 kt or less. Patchy freezing fog between 11pm and 1am, then Patchy freezing fog after 2am. Seas around 2 ft.

Friday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of rain, mainly after 5pm. Patchy freezing fog before 10am. Seas around 2 ft.

Friday Night

S wind 10 to 15 kt becoming W after midnight. Rain likely, mainly before 1am. Seas 2 to 3 ft.

Saturday

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

Saturday Night

ENE wind 5 to 10 kt. Rain. Seas 1 to 2 ft.

Sunday

NE wind around 10 kt becoming NNW in the afternoon. Rain likely, mainly before 7am. Seas 2 to 3 ft.

Sunday Night

W wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain before 9pm. Seas 2 to 3 ft.

Monday

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

Monday Night

WSW wind around 10 kt. Mostly cloudy. Seas 1 to 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.