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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:34 pm EST Mar 4, 2026
Forecast Valid: 3pm EST Mar 4, 2026-6pm EDT Mar 11, 2026

This Afternoon

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

Tonight

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

Thursday

N wind 5 to 8 kt becoming NE 10 to 15 kt in the morning. Mostly cloudy. Seas around 2 ft.

Thursday Night

ENE wind 10 to 15 kt. A chance of rain before 9pm, then snow. Seas 3 to 4 ft.

Friday

NE wind 10 to 15 kt. Snow before 3pm, then a chance of rain between 3pm and 4pm. Seas 4 to 5 ft.

Friday Night

Variable winds 5 kt or less. Cloudy. Seas 5 to 6 ft.

Saturday

SSW wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly cloudy. Seas around 5 ft.

Saturday Night

SSW wind 10 to 15 kt becoming W after midnight. A chance of rain. Seas 4 to 5 ft.

Sunday

W wind 5 to 10 kt. Mostly sunny. 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.