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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:25 am EDT Mar 31, 2026
Forecast Valid: 4am EDT Mar 31, 2026-6pm EDT Apr 6, 2026

Tuesday

S wind around 10 kt becoming NNE in the morning. Rain, mainly before 1pm. Seas around 2 ft.

Tuesday Night

NE wind around 10 kt. Rain likely and possibly a thunderstorm before 5am, then a chance of rain. Patchy fog after 11pm. Seas around 2 ft.

Wednesday

NNE wind around 10 kt becoming NNW in the morning. Rain likely, mainly after 1pm. Seas 2 to 3 ft.

Wednesday Night

ENE wind around 15 kt, with gusts as high as 25 kt. Rain likely, mainly before 1am. Seas around 2 ft.

Thursday

ENE wind 15 to 20 kt. A chance of rain. Seas around 2 ft.

Thursday Night

E wind 10 to 15 kt. A chance of rain. Seas around 2 ft.

Friday

SE wind around 10 kt becoming S in the afternoon. Mostly cloudy. Seas around 2 ft.

Friday Night

SSW wind 15 to 20 kt. Mostly cloudy. Seas 2 to 3 ft.

Saturday

WNW wind 10 to 15 kt becoming E in the afternoon. Partly sunny. Seas around 2 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.