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6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:07 pm EST Nov 24, 2025
Forecast Valid: 11pm EST Nov 24, 2025-6pm EST Dec 1, 2025

Overnight

W wind 5 to 10 kt becoming SW after midnight. Increasing clouds. Seas around 1 ft.

Tuesday

SW wind around 10 kt. Mostly cloudy. Seas 1 to 2 ft.

Tuesday Night

SSW wind around 10 kt. Rain, mainly after 9pm. Seas around 2 ft.

Wednesday

S wind 5 to 10 kt. Showers, mainly before 11am. Seas around 2 ft.

Wednesday Night

S wind 5 to 8 kt becoming W 10 to 15 kt after midnight. A chance of showers before 2am. Seas around 2 ft.

Thanksgiving Day

WSW wind around 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

WSW wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 2 ft.

Friday

W wind 15 to 20 kt. Mostly sunny. Seas around 2 ft.

Friday Night

W wind around 15 kt, with gusts as high as 25 kt. Partly cloudy. Seas 1 to 2 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.