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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:35 pm EDT May 4, 2026
Forecast Valid: 10pm EDT May 4, 2026-6pm EDT May 11, 2026

Tonight

SSW wind around 10 kt. Partly cloudy. Seas 3 to 4 ft.

Tuesday

SSW wind 10 to 15 kt. Sunny. Seas around 3 ft.

Tuesday Night

SSW wind 10 to 15 kt. Increasing clouds. Seas around 4 ft.

Wednesday

S wind 10 to 15 kt, with gusts as high as 25 kt. Rain likely, mainly after 4pm. Seas 3 to 4 ft.

Wednesday Night

S wind 10 to 15 kt becoming SW after midnight. Winds could gust as high as 20 kt. Rain, mainly before 2am. Seas 3 to 4 ft.

Thursday

Variable winds 5 kt or less. A chance of showers before noon, then a chance of showers after 2pm. Seas 2 to 3 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers before 1am. Seas around 2 ft.

Friday

W wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

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