For More Weather Information:

10NM S Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:37 pm EDT Jun 22, 2025
Forecast Valid: 1am EDT Jun 23, 2025-6pm EDT Jun 29, 2025

Monday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Monday Night

S wind 5 to 10 kt becoming SW after midnight. Mostly clear. Seas around 2 ft.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas around 1 ft.

Wednesday Night

Variable winds 5 kt or less. A chance of showers after 2am. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas 1 to 2 ft.

Friday

E wind 5 to 10 kt. A chance of showers. Seas around 1 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.