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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:28 am EST Feb 17, 2026
Forecast Valid: 11am EST Feb 17, 2026-6pm EST Feb 23, 2026

Today

Variable winds 5 kt or less. A chance of snow showers, mixing with rain after 3pm, then gradually ending. Seas around 2 ft.

Tonight

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

Wednesday

Variable winds 5 kt or less. A chance of rain after 11am, mixing with snow after 2pm. Seas around 3 ft.

Wednesday Night

NNE wind 5 to 10 kt. A chance of rain and snow before 8pm, then snow likely between 8pm and 4am. Seas 3 to 4 ft.

Thursday

N wind 5 to 10 kt becoming SW 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

Variable winds 5 kt or less. A chance of snow after 1pm. Seas around 2 ft.

Friday Night

E wind around 10 kt becoming NNE after midnight. Rain and snow likely before 1am, then a chance of snow. Seas 2 ft building to 4 ft.

Saturday

ENE wind 5 to 10 kt. A chance of snow. Seas 4 to 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.