Station 44090 - Cape Cod Bay, MA (221)
August 18, 2026 12:30 am EDTLocation: 41.84N 70.329W
Significant Wave Height: 0.7 ft
Average Period: 1.9 sec
Air Temperature: 68.4°F (20.2°C)
Water Temperature: 69.4°F (20.8°C)
Overnight - 70°F
Aug 18, 2026
6 mph NE
Patchy Fog
Patchy fog. Cloudy, with a low around 70. Northeast wind around 6 mph.
Tuesday - 78°F
Aug 18, 2026
8 mph N
Patchy Fog then Mostly Cloudy
Patchy fog before 11am. Mostly cloudy, with a high near 78. North wind around 8 mph.
Tuesday Night - 70°F
Aug 18, 2026
6 mph N
Patchy Fog
Patchy fog after 11pm. Mostly cloudy, with a low around 70. North wind around 6 mph.
Wednesday - 79°F
Aug 19, 2026
3 to 13 mph W
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 79. West wind 3 to 13 mph.
Wednesday Night - 72°F
Aug 19, 2026
7 to 13 mph SW
Mostly Clear
Mostly clear, with a low around 72. Southwest wind 7 to 13 mph.
Thursday - 79°F
Aug 20, 2026
6 to 9 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night - 69°F
Aug 20, 2026
5 to 8 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind 5 to 8 mph. Chance of precipitation is 40%.
Friday - 75°F
Aug 21, 2026
6 to 9 mph NE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Friday Night - 69°F
Aug 21, 2026
5 to 8 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 69. East wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday - 75°F
Aug 22, 2026
7 to 10 mph E
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 75. East wind 7 to 10 mph. Chance of precipitation is 50%.
Saturday Night - 70°F
Aug 22, 2026
10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 70. East wind around 10 mph. Chance of precipitation is 50%.
Sunday - 76°F
Aug 23, 2026
9 to 13 mph SE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 76. Southeast wind 9 to 13 mph. Chance of precipitation is 50%.
Sunday Night - 71°F
Aug 23, 2026
9 to 13 mph SW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 71. Southwest wind 9 to 13 mph. Chance of precipitation is 40%.
Monday - 77°F
Aug 24, 2026
9 to 15 mph SW
Chance Rain Showers then Mostly Sunny
A chance of rain showers before 9am. Mostly sunny, with a high near 77. Southwest wind 9 to 15 mph.