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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:39 pm EST Feb 15, 2026
Forecast Valid: 4pm EST Feb 15, 2026-6pm EST Feb 22, 2026

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Washington's Birthday

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

Monday Night

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

Tuesday

Variable winds 5 kt or less. Partly sunny. Seas 2 to 3 ft.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Wednesday

Variable winds 5 kt or less. A chance of rain after 1pm, mixing with snow after 2pm. Seas 3 to 4 ft.

Wednesday Night

NNE wind 5 to 10 kt. Rain and snow likely before 4am, then a chance of snow. Seas 3 to 4 ft.

Thursday

NNE wind 5 to 10 kt becoming SE in the afternoon. A chance of snow. Seas 4 to 5 ft.

Thursday Night

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