| NWS Forecast for: 10NM S Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 6:52 pm EDT May 20, 2025 |  |
Tonight: NE wind 5 to 10 kt. Isolated showers before 1am, then isolated showers after 5am. Seas around 2 ft. Wednesday: NE wind 10 to 15 kt. Scattered showers, mainly after 5pm. Seas 2 to 3 ft. Wednesday Night: E wind 10 to 15 kt. A chance of showers, mainly after 4am. Seas around 3 ft. Thursday: E wind 15 to 20 kt, with gusts as high as 30 kt. Rain, mainly after 10am. Seas 3 to 4 ft. Thursday Night: NE wind around 20 kt, with gusts as high as 30 kt. Rain. Seas around 5 ft. Friday: N wind 12 to 15 kt becoming NNW 10 to 13 kt in the afternoon. Winds could gust as high as 25 kt. Rain likely, mainly before 2pm. Seas 7 ft subsiding to 5 ft. Friday Night: Variable winds 5 kt or less. A chance of showers. Seas 5 to 6 ft. Saturday: Variable winds 5 kt or less. A chance of showers. Seas 5 ft subsiding to 3 ft. Saturday Night: WNW wind 5 to 10 kt. Mostly cloudy. Seas 3 to 4 ft. | |
| Marine Point Forecast: 42.9°N 70.79°W Associated Zone Forecast which includes this point | |
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