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Barnstable, MA Marine Weather Forecast

Station 44090 - Cape Cod Bay, MA (221)

December 5, 2025 12:30 pm EST
Location: 41.84N 70.329W
Significant Wave Height: 1.3 ft
Dominant Wave Period: 5 sec
Average Period: 3.7 sec
Mean Wave Direction: N (1°)
Air Temperature: 26.2°F (-3.2°C)
Water Temperature: 47.5°F (8.6°C)


This Afternoon - 37°F
Dec 05, 2025
6 mph S
Partly Sunny
Partly sunny. High near 37, with temperatures falling to around 30 in the afternoon. South wind around 6 mph.
Tonight - 31°F
Dec 05, 2025
6 mph SE
Mostly Cloudy
Mostly cloudy, with a low around 31. Southeast wind around 6 mph.
Saturday - 44°F
Dec 06, 2025
5 to 10 mph SE
Cloudy then Slight Chance Very Light Rain
A slight chance of rain after 2pm. Cloudy, with a high near 44. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night - 35°F
Dec 06, 2025
8 to 13 mph W
Slight Chance Very Light Rain then Partly Cloudy
A slight chance of rain before 8pm. Partly cloudy, with a low around 35. West wind 8 to 13 mph. Chance of precipitation is 20%.
Sunday - 40°F
Dec 07, 2025
6 to 13 mph NW
Partly Sunny
Partly sunny, with a high near 40. Northwest wind 6 to 13 mph.
Sunday Night - 29°F
Dec 07, 2025
5 to 15 mph W
Mostly Cloudy then Chance Light Rain
A chance of rain after midnight. Mostly cloudy, with a low around 29. West wind 5 to 15 mph. Chance of precipitation is 30%.
Monday - 34°F
Dec 08, 2025
18 to 24 mph NW
Slight Chance Light Snow then Mostly Sunny
A slight chance of freezing rain before 7am, then a slight chance of snow between 7am and 11am. Mostly sunny, with a high near 34. Northwest wind 18 to 24 mph.
Monday Night - 24°F
Dec 08, 2025
12 to 22 mph NW
Partly Cloudy
Partly cloudy, with a low around 24. Northwest wind 12 to 22 mph.
Tuesday - 39°F
Dec 09, 2025
9 to 16 mph W
Partly Sunny then Slight Chance Light Snow
A slight chance of snow after 5pm. Partly sunny, with a high near 39. West wind 9 to 16 mph.
Tuesday Night - 34°F
Dec 09, 2025
15 to 18 mph SW
Chance Rain And Snow
A slight chance of snow before 7pm, then a chance of rain and snow between 7pm and 4am. Mostly cloudy, with a low around 34. Southwest wind 15 to 18 mph. Chance of precipitation is 40%.
Wednesday - 48°F
Dec 10, 2025
14 to 18 mph SW
Mostly Cloudy then Chance Light Rain
A chance of rain after noon. Mostly cloudy, with a high near 48. Southwest wind 14 to 18 mph. Chance of precipitation is 30%.
Wednesday Night - 40°F
Dec 10, 2025
17 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 40. Southwest wind around 17 mph. Chance of precipitation is 50%.
Thursday - 45°F
Dec 11, 2025
18 mph W
Chance Light Rain
A chance of rain. Partly sunny, with a high near 45. West wind around 18 mph. Chance of precipitation is 50%.
Thursday Night - 34°F
Dec 11, 2025
17 to 21 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 34. West wind 17 to 21 mph.

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