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4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:27 pm EST Feb 3, 2026
Forecast Valid: 3pm EST Feb 3, 2026-6pm EST Feb 10, 2026

This Afternoon

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

Tonight

Variable winds 5 kt or less. Widespread freezing spray after 5am. Partly cloudy. Seas around 1 ft.

Wednesday

W wind around 10 kt. Widespread freezing spray before 9am. Mostly sunny. Seas around 1 ft.

Wednesday Night

WNW wind 5 to 10 kt. Widespread freezing spray after 3am. Mostly clear. Seas around 1 ft.

Thursday

WNW wind 5 to 10 kt. Widespread freezing spray before 9am. Mostly sunny. Seas around 1 ft.

Thursday Night

N wind 5 to 10 kt. Widespread freezing spray after 10pm. Partly cloudy. Seas around 1 ft.

Friday

Variable winds 5 kt or less. Widespread freezing spray before 9am. Partly sunny. Seas around 1 ft.

Friday Night

SSW wind 5 to 10 kt becoming W after midnight. Snow likely. Widespread freezing spray after 3am. Seas around 1 ft.

Saturday

NW wind 10 to 15 kt increasing to 20 to 25 kt. Winds could gust as high as 35 kt. A chance of snow. 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.