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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:25 am EDT Mar 31, 2026
Forecast Valid: 9am EDT Mar 31, 2026-6pm EDT Apr 6, 2026

Today

NNE wind 5 to 10 kt. Rain, mainly before noon. Seas around 2 ft.

Tonight

NE wind 5 to 10 kt becoming N after midnight. Rain likely and possibly a thunderstorm before 5am, then a chance of rain. Seas around 2 ft.

Wednesday

NNE wind around 10 kt becoming WNW in the morning. Rain likely, mainly after 2pm. Seas 2 to 3 ft.

Wednesday Night

ENE wind around 10 kt. Rain likely, mainly before 1am. Seas around 2 ft.

Thursday

ENE wind around 10 kt. A chance of rain. Seas 2 to 3 ft.

Thursday Night

ENE wind 5 to 10 kt. A chance of rain. Seas around 3 ft.

Friday

SE wind 5 to 10 kt becoming S in the afternoon. Cloudy. Seas around 3 ft.

Friday Night

SW wind around 10 kt. Mostly cloudy. Seas around 3 ft.

Saturday

WNW wind around 10 kt becoming E in the afternoon. Partly sunny. Seas 2 to 3 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.