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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:44 pm EST Feb 16, 2026
Forecast Valid: 4pm EST Feb 16, 2026-6pm EST Feb 23, 2026

Tonight

Variable winds 5 kt or less. A slight chance of snow showers after 4am. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. A chance of snow showers, mainly before 10am. Seas 1 to 2 ft.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. A chance of snow between 9am and noon, then rain and snow likely. Seas around 3 ft.

Wednesday Night

N wind 5 to 10 kt. Rain and snow likely, becoming all snow after 9pm, then gradually ending. Seas 3 to 4 ft.

Thursday

N wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Thursday Night

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

Friday

NNE wind 5 to 10 kt becoming E in the afternoon. A chance of snow after 11am, mixing with rain after 4pm. Seas around 2 ft.

Friday Night

E wind 10 to 15 kt. Rain and snow likely, becoming all snow after 10pm. 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.