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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:21 am EDT Apr 26, 2026
Forecast Valid: 9am EDT Apr 26, 2026-6pm EDT May 2, 2026

Today

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Tonight

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

Monday

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

Monday Night

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

Tuesday

NE wind 5 to 10 kt becoming E in the afternoon. Sunny. Seas around 2 ft.

Tuesday Night

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

Wednesday

ENE wind 5 to 10 kt. Mostly cloudy. Seas around 5 ft.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. Showers. 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.