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Portsmouth, NH Marine Weather Forecast

Station SEIM1 - 8419870 - Seavey Island, ME

December 19, 2025 1:00 am EST
Location: 43.08N 70.742W
Atmospheric Pressure: 30.03 in (1016.8 mb)
Air Temperature: 43.0°F (6.1°C)
Dew Point: 42.1°F (5.6°C)
Water Temperature: 41.0°F (5.0°C)


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