For More Weather Information:

3NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 3:08 pm EDT Mar 13, 2026
Forecast Valid: 5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026

Tonight

S wind around 15 kt, with gusts as high as 30 kt. Rain and snow. Seas 1 ft or less.

Saturday

W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

WNW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly clear. Seas 1 ft or less.

Sunday

NW wind 5 to 10 kt becoming SE in the afternoon. Partly sunny. Seas 1 ft or less.

Sunday Night

SSE wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 1 ft or less.

Monday

SSE wind 15 to 20 kt, with gusts as high as 35 kt. Rain, mainly after 9am. Seas 1 ft or less.

Monday Night

S wind around 20 kt, with gusts as high as 35 kt. Rain. Seas 1 ft or less.

Tuesday

WSW wind around 15 kt, with gusts as high as 30 kt. Rain likely. Seas 1 ft or less.

Tuesday Night

W wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.

*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.