NWS Forecast for: 18NM NNE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 8:00 pm EDT Apr 19, 2024


Tonight: S wind around 15 km/h, with gusts as high as 35 km/h. Scattered showers, mainly after 4am. Seas 1 m or less.

Saturday: SW wind 10 to 15 km/h. Showers, mainly before 2pm. Seas 1 m or less.

Saturday Night: W wind around 15 km/h, with gusts as high as 40 km/h. Scattered showers, mainly before 8pm. Seas around 1 m.

Sunday: W wind 15 to 20 km/h becoming WSW in the afternoon. Winds could gust as high as 35 km/h. Increasing clouds. Seas 1 m or less.

Sunday Night: WSW wind 15 to 20 km/h, with gusts as high as 35 km/h. Mostly clear. Seas 1 m or less.

Monday: WNW wind 20 to 25 km/h, with gusts as high as 40 km/h. Sunny. Seas 1 m or less.

Monday Night: NW wind 10 to 15 km/h. Mostly clear. Seas 1 m or less.

Tuesday: SSW wind 10 to 15 km/h becoming S 20 to 25 km/h. Winds could gust as high as 40 km/h. Mostly sunny. Seas 1 m or less.

Tuesday Night: S wind 20 to 25 km/h, with gusts as high as 40 km/h. Mostly cloudy. Seas 1 m or less.



Marine Point Forecast: 43.31°N 70.57°W
Associated Zone Forecast which includes this point

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