For More Weather Information:

6NM SSE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:35 am EST Jan 22, 2026
Forecast Valid: 9am EST Jan 22, 2026-6pm EST Jan 28, 2026

Today

WSW wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.

Tonight

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

Friday

WSW wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas around 2 ft.

Friday Night

WNW wind 15 to 20 kt. Widespread freezing spray. Partly cloudy. Seas around 2 ft.

Saturday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Widespread freezing spray. Sunny. Seas 1 to 2 ft.

Saturday Night

WNW wind 5 to 10 kt. Widespread freezing spray. Mostly cloudy. Seas around 1 ft.

Sunday

NNW wind 5 to 10 kt becoming NE in the afternoon. Snow likely, mainly after 2pm. Widespread freezing spray. Seas around 1 ft.

Sunday Night

NE wind 10 to 15 kt, with gusts as high as 25 kt. Snow. Widespread freezing spray. Seas 2 to 3 ft.

Monday

NNE wind around 10 kt, with gusts as high as 20 kt. Snow likely. Widespread freezing spray. Seas 3 to 4 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.