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9NM ESE Portsmouth NH

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:19 pm EDT Oct 8, 2026
Forecast Valid: 3pm EDT Oct 8, 2026-6pm EDT Oct 15, 2026

This Afternoon

W wind around 20 km/h. Sunny. Seas around 1 m.

Tonight

W wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 35 km/h. Clear. Seas 1 m or less.

Friday

WNW wind 20 to 25 km/h increasing to 25 to 30 km/h in the morning. Winds could gust as high as 40 km/h. Sunny. Seas 1 m or less.

Friday Night

WNW wind 15 to 20 km/h. Mostly clear. Seas 1 m or less.

Saturday

WNW wind 15 to 20 km/h decreasing to 10 to 15 km/h in the afternoon. Sunny. Seas 1 m or less.

Saturday Night

NW wind 5 to 10 km/h becoming ESE after midnight. Partly cloudy. Seas 1 m or less.

Sunday

SSW wind 10 to 15 km/h increasing to 15 to 20 km/h in the afternoon. Partly sunny. Seas 1 m or less.

Sunday Night

SSW wind 15 to 20 km/h. Showers likely. Seas around 1 m.

Columbus Day

SE wind 12 to 15 km/h becoming E 10 to 13 km/h in the afternoon. Showers likely. Seas 1 m or less.

*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.