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8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:33 pm EDT Jun 23, 2026
Forecast Valid: 11pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026

Overnight

Variable winds 5 kt or less. Patchy fog. Seas around 1 ft.

Wednesday

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

Wednesday Night

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

Thursday

W wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Thursday Night

SSW wind 5 to 10 kt. A chance of showers after 11pm. Seas 1 to 2 ft.

Friday

S wind around 10 kt. Showers likely, mainly before 4pm. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. A chance of showers before 9pm. Seas 1 to 2 ft.

Saturday

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

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. 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.