| NWS Forecast for: 10NM S Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 6:52 pm EST Mar 7, 2026 |  |
Tonight: SSW wind 10 to 15 kt. A chance of rain between midnight and 4am. Areas of fog. Seas 4 to 5 ft. Sunday: SW wind around 10 kt becoming W in the afternoon. Areas of fog before 10am. Seas 3 to 4 ft. Sunday Night: SW wind around 10 kt. Mostly clear. Seas around 3 ft. Monday: SSW wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft. Monday Night: SW wind around 10 kt. Mostly clear. Seas 2 to 3 ft. Tuesday: WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft. Tuesday Night: S wind around 10 kt becoming E after midnight. Partly cloudy. Seas around 2 ft. Wednesday: E wind 10 to 15 kt becoming SSE in the afternoon. A chance of rain. Seas 2 to 3 ft. Wednesday Night: S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of rain. Seas 3 ft building to 5 ft. | |
| Marine Point Forecast: 42.9°N 70.79°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |
