Average sea water temperature in April:
+78.1°F
| Minimum sea water temperature in April: | 83.8°F |
| Maximum sea water temperature in April: | 73.6°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 76.3°F. The highest and lowest sea temperatures during the month were 78.8°F and 74.3°F.
sea water
temperature
temperature
| Marco Island |
monthly
weather
weather
| Marco Island |
current
weather
weather
| Marco Island |
14 days
forecast
forecast
| Marco Island |
Monthly sea water temperature in Marco Island, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Fort Lauderdale | 78.1°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Kailua Kona | 77.6°F | 78.1°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| South Padre Island | 75.7°F | 74.5°F |
| Tampa | 75.3°F | 76.6°F |
| St. Petersburg | 75.2°F | 76.3°F |
| Corpus Christi | 75.0°F | 74.7°F |
| Oahu | 74.9°F | 76.4°F |
| Clearwater Beach | 74.7°F | 75.6°F |
| Houston | 74.5°F | 73.7°F |
| Sarasota | 74.2°F | 76.0°F |
| Siesta Key | 73.8°F | 75.7°F |
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: 12:43
July 21, tuesday
1500

93°F
N
14 mph
14 mph
1800

90°F
NE
12 mph
12 mph
2100

86°F
N
9 mph
9 mph
July 22, wednesday
0000

84°F
N
7 mph
7 mph
0300

82°F
NW
9 mph
9 mph
0600

82°F
NW
12 mph
12 mph
0900

84°F
NW
10 mph
10 mph
1200

86°F
N
12 mph
12 mph




























