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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:30 am EST Dec 29, 2025
Forecast Valid: 12am EST Dec 29, 2025-6pm EST Jan 4, 2026

Overnight

S wind around 10 kt. Rain. Patchy fog between 2am and 3am, then Patchy fog after 4am. Seas around 2 ft.

Monday

S wind around 10 kt. Rain, mainly before 5pm. Patchy dense fog. Seas around 3 ft.

Monday Night

WSW wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain, mainly before 7pm. Seas 2 to 3 ft.

Tuesday

W wind around 20 kt, with gusts as high as 30 kt. Partly sunny. Seas around 2 ft.

Tuesday Night

W wind 15 to 20 kt. Partly cloudy. Seas 1 to 2 ft.

Wednesday

WSW wind 10 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday Night

SW wind around 10 kt becoming W after midnight. A chance of snow after 7pm. Seas 1 to 2 ft.

New Year's Day

WNW wind around 10 kt. Sunny. Seas around 1 ft.

Thursday Night

W wind around 10 kt. Mostly clear. 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.