NWS Forecast for: 20NM ENE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 10:24 pm EDT Jul 22, 2018




Overnight: SSE wind 15 to 18 km/h increasing to 17 to 20 km/h. A chance of showers and thunderstorms. Areas of fog. Seas around 2 m.

Monday: S wind around 25 km/h, with gusts as high as 35 km/h. A chance of showers before 3pm. Areas of fog. Seas around 2 m.

Monday Night: S wind around 25 km/h, with gusts as high as 35 km/h. Areas of fog. Seas 1 to 2 m.

Tuesday: S wind 20 to 23 km/h increasing to 22 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Areas of fog. Seas around 1 m.

Tuesday Night: S wind 22 to 25 km/h decreasing to 20 to 23 km/h after midnight. Winds could gust as high as 35 km/h. Areas of fog. Seas 1 to 2 m.

Wednesday: S wind 20 to 25 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 40 km/h. Areas of fog. Seas around 1 m.

Wednesday Night: S wind around 25 km/h, with gusts as high as 40 km/h. A chance of showers. Areas of fog. Seas around 2 m.

Thursday: S wind around 30 km/h, with gusts as high as 45 km/h. Showers. Areas of fog. Seas around 2 m.

Thursday Night: SSW wind 27 to 30 km/h decreasing to 25 to 28 km/h after midnight. Winds could gust as high as 40 km/h. Showers likely and possibly a thunderstorm. Seas around 2 m.



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

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