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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:58 am EST Jan 11, 2026
Forecast Valid: 1am EST Jan 11, 2026-6pm EST Jan 17, 2026

Sunday

N wind 5 to 10 kt becoming WNW in the afternoon. A chance of rain, mainly before noon. Seas 3 to 4 ft.

Sunday Night

W wind 15 to 18 kt increasing to 17 to 20 kt after midnight. Winds could gust as high as 30 kt. Partly cloudy. Seas around 3 ft.

Monday

WNW wind 15 to 20 kt becoming WSW 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Seas 2 to 3 ft.

Monday Night

WSW wind around 10 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

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

Tuesday Night

SSW wind around 10 kt. Cloudy. Seas 1 to 2 ft.

Wednesday

SSW wind around 10 kt. Cloudy. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

Thursday

W wind 5 to 10 kt becoming NNW in the afternoon. A chance of rain showers before 3pm, then a chance of rain and snow showers. 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.