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4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:40 am EST Feb 18, 2026
Forecast Valid: 1am EST Feb 18, 2026-6pm EST Feb 24, 2026

Wednesday

W wind 5 to 10 kt becoming N in the afternoon. A chance of snow, mainly after 5pm. Seas around 1 ft.

Wednesday Night

N wind 5 to 10 kt. A chance of snow, mainly before 10pm. Seas around 1 ft.

Thursday

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

Thursday Night

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

Friday

SSW wind 5 to 10 kt becoming E in the morning. Snow likely, mainly after 4pm. Seas around 1 ft.

Friday Night

E wind around 10 kt becoming NNE after midnight. Snow. Seas around 1 ft.

Saturday

NNE wind around 10 kt. A chance of snow, mainly between 1pm and 2pm. Seas around 1 ft.

Saturday Night

NNE wind 5 to 10 kt. A chance of snow. Seas around 2 ft.

Sunday

NNE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of snow. 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.