For More Weather Information:

8NM SE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:21 am EDT May 5, 2026
Forecast Valid: 10am EDT May 5, 2026-6pm EDT May 11, 2026

Today

S wind 15 to 20 kt. Sunny. Seas around 3 ft.

Tonight

SSW wind 15 to 20 kt. Partly cloudy. Seas around 4 ft.

Wednesday

S wind 20 to 25 kt. Rain likely, mainly after 4pm. Seas 4 to 5 ft.

Wednesday Night

S wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 25 kt. Rain, mainly before 4am. Seas around 4 ft.

Thursday

WNW wind around 10 kt becoming SW in the afternoon. A chance of showers before 11am, then a chance of showers after 2pm. Seas around 2 ft.

Thursday Night

SSW wind 5 to 10 kt becoming NW after midnight. A chance of showers before 7pm. Seas 1 to 2 ft.

Friday

W wind around 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

WSW wind around 10 kt. Mostly clear. Seas around 2 ft.

Saturday

SSW wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Partly sunny. 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.