For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:25 am EDT May 13, 2026
Forecast Valid: 4am EDT May 13, 2026-6pm EDT May 19, 2026

Wednesday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the morning. A chance of showers, mainly before 1pm. Seas around 2 ft.

Wednesday Night

S wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

Thursday

SSE wind around 10 kt becoming E in the afternoon. Rain likely, then rain and possibly a thunderstorm after 2pm. Seas around 3 ft.

Thursday Night

ENE wind around 10 kt. Rain. Seas around 3 ft.

Friday

NE wind 5 to 10 kt. Rain, mainly before 1pm. Seas around 3 ft.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 3 ft.

Saturday

WSW wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Seas around 4 ft.

Saturday Night

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

Sunday

W wind around 10 kt. Sunny. Seas 2 to 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.