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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:40 am EST Mar 3, 2026
Forecast Valid: 2am EST Mar 3, 2026-6pm EDT Mar 9, 2026

Tuesday

S wind 5 to 10 kt. Snow, mainly after 3pm. Widespread freezing spray before 7am. Seas around 2 ft.

Tuesday Night

SSE wind 5 to 10 kt becoming N after midnight. Rain and snow before 2am, then a chance of rain between 2am and 4am. Seas around 2 ft.

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.

Thursday

NNW wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Seas around 2 ft.

Thursday Night

ENE wind 10 to 15 kt. A chance of rain before 9pm, then rain and snow likely between 9pm and 4am, then snow likely after 4am. Seas 2 to 3 ft.

Friday

NE wind 10 to 15 kt. Snow likely before 9am, then rain and snow likely between 9am and 3pm, then a chance of rain after 3pm. Seas 4 to 5 ft.

Friday Night

ENE wind 5 to 10 kt becoming ESE after midnight. Cloudy. Seas around 5 ft.

Saturday

SSW wind 5 to 10 kt. Mostly cloudy. 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.