| NWS Forecast for: 18NM NNE Portsmouth NH Atlantic Ocean Issued by: National Weather Service Gray/Portland, ME Last Update: 3:54 am EDT Apr 24, 2025 |  |
| Today: Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. A slight chance of showers after 4pm. Seas 1 ft or less. Tonight: Variable winds 5 kt or less. A chance of showers before 2am. Seas 1 ft or less. Friday: Variable winds 5 kt or less. A slight chance of showers after 2pm. Seas 1 ft or less. Friday Night: Variable winds 5 kt or less. A chance of rain after 2am. Seas 1 ft or less. Saturday: S wind 5 to 10 kt, with gusts as high as 20 kt. Rain, mainly after 8am. Seas 1 ft or less. Saturday Night: Variable winds 5 kt or less. A chance of rain before 2am. Seas 1 ft or less. Sunday: NW wind around 10 kt. Mostly sunny. Seas 1 ft or less. Sunday Night: Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less. Monday: Variable winds 5 kt or less. Sunny. Seas 1 ft or less. | |
| Marine Point Forecast: 43.31°N 70.57°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |
