| NWS Forecast for: 4NM E Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 1:57 pm EDT Jul 6, 2025 |  |
Tonight: SW wind around 10 kt. Mostly clear. Seas around 1 ft. Monday: SW wind 5 to 10 kt becoming S in the afternoon. A slight chance of showers and thunderstorms after 5pm. Seas around 1 ft. Monday Night: SSW wind around 10 kt. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Seas around 1 ft. Tuesday: Variable winds 5 kt or less. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas around 1 ft. Tuesday Night: Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Seas around 1 ft. Wednesday: Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft. Wednesday Night: Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft. Thursday: Variable winds 5 kt or less. A chance of showers. Seas around 1 ft. Thursday Night: Variable winds 5 kt or less. A chance of showers. Seas around 1 ft. | |
| Marine Point Forecast: 43.06°N 70.69°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |
