For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:26 pm EDT Jul 16, 2026
Forecast Valid: 8pm EDT Jul 16, 2026-6pm EDT Jul 23, 2026

Tonight

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

Friday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. A chance of showers after 2pm. Seas around 1 ft.

Saturday Night

SSW wind 10 to 15 kt. Showers, mainly before 2am. Seas 2 to 3 ft.

Sunday

NW wind around 10 kt. A chance of showers before 7am. Seas 2 to 3 ft.

Sunday Night

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

Monday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Monday Night

SSE wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Seas around 1 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.