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9NM ESE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:02 pm EST Nov 27, 2025
Forecast Valid: 2pm EST Nov 27, 2025-6pm EST Dec 3, 2025

Thanksgiving Day

WSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 3 ft.

Tonight

WSW wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 2 to 3 ft.

Friday

WSW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Mostly sunny. Seas around 3 ft.

Friday Night

W wind around 20 kt, with gusts as high as 30 kt. Partly cloudy. Seas 2 to 3 ft.

Saturday

WNW wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Sunny. Seas around 2 ft.

Saturday Night

WNW wind 7 to 10 kt becoming NW 5 to 8 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

Sunday

S wind 5 to 10 kt increasing to 20 to 25 kt. Rain likely, mainly after 2pm. Seas 1 ft building to 3 ft.

Sunday Night

S wind around 20 kt becoming W after midnight. Winds could gust as high as 25 kt. Rain likely. Seas around 4 ft.

Monday

WNW wind around 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas 2 to 3 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.