| NWS Forecast for: 23NM ENE Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 6:52 pm EST Mar 7, 2026 |  |
Tonight: SSW wind 35 to 40 km/h decreasing to 30 to 35 km/h after midnight. Winds could gust as high as 50 km/h. A chance of rain after midnight. Widespread fog, mainly between 8pm and 1am. Seas around 2 m. Sunday: SW wind 27 to 30 km/h decreasing to 25 to 28 km/h in the afternoon. Winds could gust as high as 40 km/h. A slight chance of rain before 10am. Widespread fog, mainly before 9am. Seas around 2 m. Sunday Night: WSW wind 25 to 30 km/h, with gusts as high as 40 km/h. Mostly clear. Seas around 1 m. Monday: SSW 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 1 to 2 m. Monday Night: SW wind 30 to 35 km/h decreasing to 25 to 30 km/h. Winds could gust as high as 50 km/h. Mostly clear. Seas 1 to 2 m. Tuesday: SW wind 15 to 20 km/h becoming S in the afternoon. Sunny. Seas around 1 m. Tuesday Night: S wind 25 to 30 km/h becoming E after midnight. Winds could gust as high as 40 km/h. Partly cloudy. Seas around 1 m. Wednesday: E wind 30 to 35 km/h becoming SSE in the afternoon. Winds could gust as high as 50 km/h. A chance of rain. Seas 1 to 2 m. Wednesday Night: S wind 40 to 43 km/h increasing to 42 to 45 km/h in the evening. Winds could gust as high as 65 km/h. A chance of rain. Seas around 2 m. | |
| Marine Point Forecast: 43.13°N 70.25°W Associated Zone Forecast which includes this point | |
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