Current sea water temperature:
+66.7°F
| Minimum sea water temperature in February: | 76.8°F |
| Maximum sea water temperature in February: | 57.6°F |
| Average sea water temperature in February: | 69.1°F |
| more information | |
14 days
forecast
forecast
| Marco Island |
monthly
weather
weather
| Marco Island |
Sea water temperature for the last 10 days:
| February 25 | 66.7°F | February 20 | 68.0°F |
| February 24 | 68.9°F | February 19 | 67.5°F |
| February 23 | 70.3°F | February 18 | 67.3°F |
| February 22 | 70.5°F | February 17 | 66.0°F |
| February 21 | 69.6°F | February 16 | 65.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Marco Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Marco Island was noticed in August, July and September.
Monthly Sea Temperatures in Marco Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.7°F. The highest and lowest sea temperatures during the month were 90.0°F and 86.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 89.4°F and 84.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 88.7°F and 84.2°F.
current
weather
weather
| Marco Island |
weather in
March
March
| Marco Island |
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 15:23
February 25, wednesday
1800

68°F
NE
4 mph
4 mph
2100

59°F
NW
5 mph
5 mph
February 26, thursday
0000

61°F
NW
12 mph
12 mph
0300

63°F
W
9 mph
9 mph
0600

63°F
W
11 mph
11 mph
0900

64°F
NW
12 mph
12 mph
1200

68°F
NW
12 mph
12 mph
1500

68°F
N
12 mph
12 mph




























