Current sea water temperature:
+77.0°F
| Minimum sea water temperature in April: | 83.8°F |
| Maximum sea water temperature in April: | 73.6°F |
| Average sea water temperature in April: | 78.2°F |
| more information | |
14 days
forecast
forecast
| Marco Island |
monthly
weather
weather
| Marco Island |
Sea water temperature for the last 10 days:
| April 8 | 77.0°F | April 3 | 74.3°F |
| April 7 | 76.1°F | April 2 | 74.3°F |
| April 6 | 75.6°F | April 1 | 74.7°F |
| April 5 | 75.4°F | March 31 | 75.0°F |
| April 4 | 75.6°F | March 30 | 75.2°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
April
April
| 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: 04:27
April 08, wednesday
0600
68°F
SW
17 mph
17 mph
0900
72°F
SW
14 mph
14 mph
1200
75°F
W
9 mph
9 mph
1500
77°F
SW
9 mph
9 mph
1800
75°F
SW
15 mph
15 mph
2100
72°F
SW
19 mph
19 mph
April 09, thursday
0000
70°F
SW
21 mph
21 mph
0300
68°F
SW
21 mph
21 mph
