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Southwest Harbor, ME Marine Weather Forecast

Station ATGM1 - 8413320 - Bar Harbor, ME

June 20, 2025 6:30 pm EDT
Location: 44.392N 68.204W
Wind Direction: NW (320°)
Wind Speed: 27.0 knots
Wind Gust: 38.1 knots
Atmospheric Pressure: 29.58 in (1001.8 mb)
Water Temperature: 50.0°F (10.0°C)


Tonight - 56°F
Jun 20, 2025
10 to 17 mph W
Scattered Rain Showers then Partly Cloudy
Scattered rain showers before 10pm. Partly cloudy, with a low around 56. West wind 10 to 17 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 68°F
Jun 21, 2025
10 mph W
Sunny
Sunny, with a high near 68. West wind around 10 mph.
Saturday Night - 54°F
Jun 21, 2025
6 to 9 mph SW
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 2am. Partly cloudy, with a low around 54. Southwest wind 6 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunday - 64°F
Jun 22, 2025
9 to 14 mph S
Chance Showers And Thunderstorms
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 64. South wind 9 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night - 54°F
Jun 22, 2025
3 to 8 mph NW
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 54. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.
Monday - 65°F
Jun 23, 2025
3 to 7 mph SE
Mostly Sunny
Mostly sunny, with a high near 65. Southeast wind 3 to 7 mph.
Monday Night - 57°F
Jun 23, 2025
7 mph SW
Partly Cloudy
Partly cloudy, with a low around 57. Southwest wind around 7 mph.
Tuesday - 75°F
Jun 24, 2025
6 to 10 mph SW
Sunny
Sunny, with a high near 75.
Tuesday Night - 59°F
Jun 24, 2025
9 mph NW
Slight Chance Rain Showers
A slight chance of rain showers between 8pm and 3am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday - 67°F
Jun 25, 2025
6 to 10 mph NE
Sunny
Sunny, with a high near 67.
Wednesday Night - 54°F
Jun 25, 2025
6 mph W
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 3am. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Thursday - 61°F
Jun 26, 2025
7 mph S
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 61. Chance of precipitation is 20%.
Thursday Night - 53°F
Jun 26, 2025
7 mph W
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday - 59°F
Jun 27, 2025
6 to 9 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 59.

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