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Yarmouth, MA Marine Weather Forecast

Station 44090 - Cape Cod Bay, MA (221)

October 2, 2026 6:00 am EDT
Location: 41.84N 70.329W
Significant Wave Height: 1.6 ft
Dominant Wave Period: 3 sec
Average Period: 2.7 sec
Mean Wave Direction: WSW (244°)
Air Temperature: 64.8°F (18.2°C)
Water Temperature: 62.2°F (16.8°C)


Today - 68°F
Oct 02, 2026
14 to 17 mph SW
Mostly Sunny
Mostly sunny, with a high near 68. Southwest wind 14 to 17 mph.
Tonight - 60°F
Oct 02, 2026
7 to 16 mph NW
Rain Showers Likely
A chance of rain showers between 8pm and 10pm, then rain showers likely and patchy fog between 10pm and 5am. Mostly cloudy, with a low around 60. Northwest wind 7 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday - 64°F
Oct 03, 2026
13 mph N
Sunny
Sunny, with a high near 64. North wind around 13 mph. New rainfall amounts less than a tenth of an inch possible.
Saturday Night - 56°F
Oct 03, 2026
6 to 9 mph NE
Mostly Clear
Mostly clear, with a low around 56. Northeast wind 6 to 9 mph.
Sunday - 63°F
Oct 04, 2026
9 to 13 mph E
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 3pm. Mostly sunny, with a high near 63. East wind 9 to 13 mph. Chance of precipitation is 20%.
Sunday Night - 58°F
Oct 04, 2026
3 to 9 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 58. Northeast wind 3 to 9 mph. Chance of precipitation is 40%.
Monday - 66°F
Oct 05, 2026
3 to 13 mph W
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 8am. Mostly sunny, with a high near 66. West wind 3 to 13 mph.
Monday Night - 49°F
Oct 05, 2026
14 to 18 mph NW
Mostly Clear
Mostly clear, with a low around 49. Northwest wind 14 to 18 mph.
Tuesday - 59°F
Oct 06, 2026
10 to 16 mph NW
Sunny
Sunny, with a high near 59. Northwest wind 10 to 16 mph.
Tuesday Night - 50°F
Oct 06, 2026
7 to 10 mph NW
Clear
Clear, with a low around 50. Northwest wind 7 to 10 mph.
Wednesday - 59°F
Oct 07, 2026
6 to 10 mph W
Sunny
Sunny, with a high near 59. West wind 6 to 10 mph.
Wednesday Night - 56°F
Oct 07, 2026
10 mph SW
Mostly Clear
Mostly clear, with a low around 56. Southwest wind around 10 mph.
Thursday - 63°F
Oct 08, 2026
8 to 12 mph SW
Sunny
Sunny, with a high near 63. Southwest wind 8 to 12 mph.
Thursday Night - 58°F
Oct 08, 2026
7 to 10 mph SW
Partly Cloudy
Partly cloudy, with a low around 58. Southwest wind 7 to 10 mph.

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