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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:25 am EST Feb 19, 2026
Forecast Valid: 12pm EST Feb 19, 2026-6pm EST Feb 25, 2026

This Afternoon

Variable winds 5 kt or less. Sunny. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas 2 to 3 ft.

Friday

SSW wind 5 to 8 kt becoming E 7 to 10 kt in the afternoon. Snow likely before 4pm, then snow likely, possibly mixed with rain. Seas around 2 ft.

Friday Night

ENE wind 10 to 15 kt becoming NNE after midnight. Snow. Seas 2 to 3 ft.

Saturday

NNE wind 5 to 10 kt. Snow likely, mainly before 7am. Seas 3 to 4 ft.

Saturday Night

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

Sunday

N wind around 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

NE wind 10 to 13 kt increasing to 12 to 15 kt after midnight. Winds could gust as high as 25 kt. A chance of snow. Seas 3 to 4 ft.

Monday

N wind 15 to 20 kt. A chance of snow. Seas 5 to 6 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.