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4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:29 pm EDT May 8, 2026
Forecast Valid: 7pm EDT May 8, 2026-6pm EDT May 15, 2026

Tonight

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

Saturday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Rain, mainly after 11am. Seas around 1 ft.

Saturday Night

SSE wind around 10 kt becoming SSW after midnight. Showers likely, mainly before 1am. Seas around 1 ft.

Sunday

SSW wind around 10 kt. A chance of showers after noon. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Showers likely, mainly after 3am. Seas around 1 ft.

Monday

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

Monday Night

Variable winds 5 kt or less. A chance of showers before 1am. Seas around 1 ft.

Tuesday

N wind 5 to 10 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. 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.