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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:03 am EST Dec 5, 2025
Forecast Valid: 12pm EST Dec 5, 2025-6pm EST Dec 11, 2025

This Afternoon

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Saturday

Variable winds 5 kt or less. A chance of snow showers, mixing with rain after noon, then gradually ending. Seas around 1 ft.

Saturday Night

SW wind 5 to 10 kt becoming WNW after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas around 1 ft.

Sunday

WNW wind 5 to 10 kt becoming N in the afternoon. Partly sunny. Seas around 1 ft.

Sunday Night

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

Monday

NW wind around 15 kt, with gusts as high as 25 kt. A chance of snow before 7am. Seas around 2 ft.

Monday Night

NW wind 5 to 10 kt. Mostly clear. Seas around 2 ft.

Tuesday

W wind 5 to 10 kt becoming SSW in the afternoon. Partly sunny. 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.