For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:19 pm EDT May 3, 2026
Forecast Valid: 6pm EDT May 3, 2026-6pm EDT May 10, 2026

Tonight

NW wind 5 to 10 kt becoming W after midnight. Increasing clouds. Seas around 3 ft.

Monday

WSW wind around 10 kt. Mostly sunny. Seas around 3 ft.

Monday Night

SSW wind around 10 kt. Mostly clear. Seas around 3 ft.

Tuesday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 3 ft.

Tuesday Night

SSW wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 4 ft.

Wednesday

S wind around 15 kt, with gusts as high as 20 kt. Rain, mainly after 2pm. Seas around 4 ft.

Wednesday Night

SSW wind 5 to 10 kt becoming WNW after midnight. Showers, mainly before 3am. Seas 3 to 4 ft.

Thursday

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers. Seas around 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.