For More Weather Information:

4NM E Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:38 am EST Nov 24, 2025
Forecast Valid: 9am EST Nov 24, 2025-6pm EST Nov 30, 2025

Today

WNW wind around 10 kt. Sunny. Seas around 1 ft.

Tonight

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

Tuesday

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

Tuesday Night

SSW wind 5 to 10 kt becoming S after midnight. Rain, mainly after 8pm. Seas around 1 ft.

Wednesday

Variable winds 5 kt or less. Rain likely, mainly before 11am. Seas around 1 ft.

Wednesday Night

S wind 5 to 8 kt becoming W 7 to 10 kt after midnight. A chance of rain before 5am. Seas around 1 ft.

Thanksgiving Day

WSW wind 15 to 20 kt. Mostly sunny. Seas around 1 ft.

Thursday Night

WSW wind 15 to 20 kt, with gusts as high as 25 kt. Partly cloudy. Seas around 1 ft.

Friday

W wind 20 to 25 kt, with gusts as high as 30 kt. Mostly sunny. 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.