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20NM ENE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:22 pm EDT Jul 1, 2025
Forecast Valid: 10pm EDT Jul 1, 2025-6pm EDT Jul 8, 2025

Tonight

SW wind 10 to 15 kt. Scattered showers, mainly before 1am. Seas around 3 ft.

Wednesday

SW wind around 10 kt becoming S in the afternoon. Mostly cloudy. Seas around 3 ft.

Wednesday Night

SSW wind 5 to 10 kt becoming W after midnight. Mostly cloudy. Seas 2 to 3 ft.

Thursday

W wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 2 ft.

Thursday Night

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

Independence Day

Variable winds 5 kt or less. Sunny. Seas around 2 ft.

Friday Night

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

Saturday

Variable winds 5 kt or less. Sunny. Seas around 2 ft.

Saturday Night

S wind around 10 kt becoming SW after midnight. Mostly cloudy. Seas 2 to 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.