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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:31 am EST Jan 21, 2026
Forecast Valid: 5am EST Jan 21, 2026-6pm EST Jan 27, 2026

Today

WSW wind around 10 kt. Widespread freezing spray before 11am. Increasing clouds. Seas around 2 ft.

Tonight

SW wind around 10 kt. A chance of snow, mainly between 7pm and 5am. Seas 2 to 3 ft.

Thursday

WSW wind 10 to 15 kt. A slight chance of snow, mainly between 7am and 8am. Seas 2 to 3 ft.

Thursday Night

W wind 10 to 15 kt. Partly cloudy. Seas around 2 ft.

Friday

WSW wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas around 2 ft.

Friday Night

WNW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray after 8pm. Partly cloudy. Seas around 2 ft.

Saturday

WNW wind around 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Sunny. Seas around 2 ft.

Saturday Night

NW wind 10 to 15 kt. Widespread freezing spray. Mostly cloudy. Seas 1 to 2 ft.

Sunday

N wind 5 to 10 kt. A chance of snow showers. Widespread freezing spray. Seas around 1 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.