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20NM ENE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:21 pm EDT Jul 3, 2025
Forecast Valid: 2pm EDT Jul 3, 2025-6pm EDT Jul 9, 2025

This Afternoon

SSW wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft.

Tonight

WNW wind 5 to 10 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Seas around 2 ft.

Independence Day

WNW wind 5 to 10 kt. Sunny. Seas around 2 ft.

Friday Night

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

Saturday

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

Saturday Night

SW wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Sunday

SSW wind 10 to 15 kt. Mostly sunny. Seas around 3 ft.

Sunday Night

SW wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 3 to 4 ft.

Monday

SW wind 10 to 15 kt becoming S in the afternoon. Sunny. Seas around 3 ft.

Winds and seas higher in and near tstms.

*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.