NWS Forecast for: 20NM ENE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 6:20 pm EST Jan 21, 2018




Tonight: WNW wind 5 to 10 km/h becoming SW after midnight. Mostly cloudy. Seas 1 m or less.

Monday: Variable winds less than 5 km/h becoming ENE 10 to 15 km/h in the morning. A chance of rain after 1pm. Seas 1 m or less.

Monday Night: E wind 17 to 20 km/h becoming SSW 15 to 18 km/h after midnight. Rain and snow likely, becoming all rain after 11pm. Seas 1 m or less.

Tuesday: E wind 20 to 25 km/h becoming S 45 to 50 km/h. Winds could gust as high as 65 km/h. Rain. Seas 1 to 2 m.

Tuesday Night: SSW wind 32 to 35 km/h becoming WSW 30 to 33 km/h in the evening. Winds could gust as high as 50 km/h. A chance of showers before 10pm. Seas around 2 m.

Wednesday: W wind around 35 km/h, with gusts as high as 50 km/h. Sunny. Seas around 2 m.

Wednesday Night: NW wind 32 to 35 km/h decreasing to 30 to 33 km/h after midnight. Winds could gust as high as 50 km/h. Partly cloudy. Seas 1 to 2 m.

Thursday: NW wind 25 to 30 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h. Mostly sunny. Seas around 1 m.

Thursday Night: NW wind 32 to 35 km/h decreasing to 30 to 33 km/h after midnight. Winds could gust as high as 50 km/h. Mostly clear. Seas around 1 m.



Marine Point Forecast: 43.17°N 70.36°W
Associated Zone Forecast which includes this point

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