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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:25 pm EDT Apr 27, 2026
Forecast Valid: 5pm EDT Apr 27, 2026-6pm EDT May 4, 2026

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.

Tuesday

ENE wind 5 to 10 kt. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.

Wednesday

Variable winds 5 kt or less. Mostly cloudy. Seas around 4 ft.

Wednesday Night

E wind 5 to 10 kt. Showers likely, mainly after 2am. Seas around 5 ft.

Thursday

ESE wind around 10 kt. Rain. Seas around 6 ft.

Thursday Night

NE wind around 10 kt becoming NW after midnight. Showers likely, mainly before midnight. Seas around 6 ft.

Friday

WNW wind 10 to 15 kt. A chance of showers. Seas 5 to 6 ft.

Friday Night

W wind around 10 kt. Partly cloudy. Seas around 5 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.