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4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:45 am EDT Apr 2, 2026
Forecast Valid: 3am EDT Apr 2, 2026-6pm EDT Apr 8, 2026

Thursday

ENE wind 10 to 15 kt. Rain showers likely, possibly mixed with sleet before 10am, then a chance of rain showers. Seas around 1 ft.

Thursday Night

E wind around 10 kt. A chance of rain, mainly after 2am. Seas around 1 ft.

Friday

SE wind 5 to 10 kt becoming S in the afternoon. Rain likely, mainly before 9am. Seas around 1 ft.

Friday Night

SSW wind 10 to 15 kt becoming W after midnight. Partly cloudy. Seas around 1 ft.

Saturday

N wind 10 to 15 kt becoming E in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

ESE wind around 10 kt. A chance of showers after 10pm. Seas around 1 ft.

Sunday

SSE wind around 10 kt becoming SSW in the afternoon. Showers. Seas around 1 ft.

Sunday Night

W wind around 10 kt. A chance of showers. Seas around 2 ft.

Monday

W wind 10 to 15 kt. Mostly sunny. 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.