News Headlines

For More Weather Information:

3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:19 pm EDT Sep 19, 2026
Forecast Valid: 4pm EDT Sep 19, 2026-6pm EDT Sep 26, 2026

Tonight

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

Sunday

SSE wind 5 to 10 kt. Rain, mainly after 2pm. Seas 1 to 2 ft.

Sunday Night

E wind 5 to 10 kt becoming NNE after midnight. Rain, mainly before 1am. Seas around 2 ft.

Monday

N wind 5 to 10 kt becoming ENE in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

Monday Night

NNE wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Tuesday

ENE wind 5 to 10 kt. Partly sunny. Seas around 2 ft.

Tuesday Night

NE wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Wednesday

ENE wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 4 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.