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Cotuit Highlands, MA Marine Weather Forecast

Station WAXM3 - Carriage House, Waquoit Bay Reserve, MA

August 18, 2026 1:00 am EDT
Location: 41.582N 70.525W
Wind Direction: NNW (330°)
Wind Speed: 1.0 knots
Atmospheric Pressure: 29.80 in (1009.0 mb)
Pressure Tendency: +0.00 in (+0.0 mb)
Air Temperature: 68.4°F (20.2°C)
Dew Point: 68.4°F (20.2°C)


Overnight - 69°F
Aug 18, 2026
7 mph N
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 69. North wind around 7 mph.
Tuesday - 73°F
Aug 18, 2026
7 mph N
Patchy Fog then Partly Sunny
Patchy fog before 11am. Partly sunny, with a high near 73. North wind around 7 mph.
Tuesday Night - 69°F
Aug 18, 2026
6 mph NW
Patchy Fog
Patchy fog after 11pm. Partly cloudy, with a low around 69. Northwest wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
Wednesday - 79°F
Aug 19, 2026
3 to 12 mph W
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 79. West wind 3 to 12 mph. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 71°F
Aug 19, 2026
7 to 12 mph SW
Mostly Clear
Mostly clear, with a low around 71. Southwest wind 7 to 12 mph.
Thursday - 80°F
Aug 20, 2026
9 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Southwest wind around 9 mph. Chance of precipitation is 30%.
Thursday Night - 68°F
Aug 20, 2026
6 to 9 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 6 to 9 mph. Chance of precipitation is 40%.
Friday - 77°F
Aug 21, 2026
6 to 9 mph NE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 77. Northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Friday Night - 67°F
Aug 21, 2026
6 to 9 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 67. East wind 6 to 9 mph. Chance of precipitation is 30%.
Saturday - 77°F
Aug 22, 2026
8 to 12 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 77. East wind 8 to 12 mph. Chance of precipitation is 50%.
Saturday Night - 68°F
Aug 22, 2026
7 to 10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 68. East wind 7 to 10 mph. Chance of precipitation is 50%.
Sunday - 78°F
Aug 23, 2026
8 to 13 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 78. Southeast wind 8 to 13 mph. Chance of precipitation is 50%.
Sunday Night - 69°F
Aug 23, 2026
9 to 13 mph SW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 69. Southwest wind 9 to 13 mph. Chance of precipitation is 40%.
Monday - 78°F
Aug 24, 2026
9 to 16 mph W
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 8am. Mostly sunny, with a high near 78. West wind 9 to 16 mph.

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