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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:34 pm EST Nov 4, 2026
Forecast Valid: 7pm EST Nov 4, 2026-6pm EST Nov 11, 2026

Tonight

SW wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Thursday

SSW wind 5 to 10 kt. A slight chance of showers between 1pm and 3pm. Seas 1 to 2 ft.

Thursday Night

SSW wind 5 to 10 kt. A slight chance of showers before 11pm, then a chance of showers after 1am. Seas around 2 ft.

Friday

Variable winds 5 kt or less. Rain likely, mainly after 3pm. Seas 1 to 2 ft.

Friday Night

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

Saturday

Variable winds 5 kt or less. Rain likely before 9am, then a chance of rain after 1pm. Seas around 2 ft.

Saturday Night

NNE wind 5 to 8 kt becoming NNW 7 to 10 kt after midnight. A chance of rain. Seas around 2 ft.

Sunday

WNW wind around 10 kt. A chance of rain. Seas around 2 ft.

Sunday Night

W wind around 10 kt. 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.