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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:39 pm EST Dec 26, 2025
Forecast Valid: 2pm EST Dec 26, 2025-6pm EST Jan 1, 2026

This Afternoon

Variable winds 5 kt or less. Partly sunny. Seas around 3 ft.

Tonight

NNE wind 5 to 8 kt increasing to 7 to 10 kt after midnight. Snow likely, mainly between 1am and 4am. Seas 2 to 3 ft.

Saturday

N wind 5 to 10 kt. A chance of snow, mainly before 8am. Widespread freezing spray before 10am. Seas 2 to 3 ft.

Saturday Night

Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Sunday Night

Variable winds 5 kt or less. Rain likely, mainly after 3am. Seas around 2 ft.

Monday

SSE wind around 10 kt becoming SSW in the afternoon. Rain. Seas around 2 ft.

Monday Night

W wind 10 to 15 kt, with gusts as high as 25 kt. Rain likely. Seas around 2 ft.

Tuesday

W wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. 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.