NWS Forecast for: 18NM NNE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 3:13 am EST Mar 5, 2024




Overnight: Variable winds 5 kt or less. Cloudy. Seas 1 ft or less.

Tuesday: Variable winds 5 kt or less. Scattered showers, mainly between 11am and 2pm, then rain likely after 2pm. Areas of fog after 8am. Seas 1 ft or less.

Tuesday Night: Variable winds 5 kt or less. Rain, mainly before midnight. Areas of fog before 1am. Seas 1 ft or less.

Wednesday: Variable winds 5 kt or less. Scattered showers after 5pm. Seas 1 ft or less.

Wednesday Night: ENE wind 5 to 8 kt becoming NNE 10 to 15 kt after midnight. Winds could gust as high as 25 kt. Rain. Seas 1 ft or less.

Thursday: NNE wind around 15 kt, with gusts as high as 30 kt. Rain likely, mainly before 1pm. Seas 1 ft or less.

Thursday Night: NNE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers before 1am. Seas 1 ft or less.

Friday: NNE wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Friday Night: Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.



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

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