For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:24 am EDT Apr 28, 2026
Forecast Valid: 7am EDT Apr 28, 2026-6pm EDT May 4, 2026

Today

ENE wind 5 to 10 kt. Mostly sunny. Seas 2 to 3 ft.

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas 3 to 4 ft.

Wednesday

Variable winds 5 kt or less. A chance of showers, mainly after 3pm. Seas 4 to 5 ft.

Wednesday Night

E wind 5 to 10 kt. Showers, mainly after 10pm. Seas around 5 ft.

Thursday

E wind around 10 kt. Showers. Seas around 5 ft.

Thursday Night

WNW wind around 10 kt. A chance of showers before 1am. Seas around 5 ft.

Friday

W wind 10 to 15 kt. Mostly sunny. Seas 4 to 5 ft.

Friday Night

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

Saturday

Variable winds 5 kt or less. Mostly sunny. Seas around 3 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.