World Resorts USA Marco Island Weather

Marco Island Sea Temperature in April

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.

Monthly sea water temperature in Marco Island, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Everglades 78.6°F 78.8°F
Key Largo 78.2°F 78.5°F
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
Hialeah 77.7°F 77.9°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Cape Coral 76.4°F 77.2°F
Marco Island 76.3°F 77.3°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
Tampa 75.3°F 76.6°F
St. Petersburg 75.2°F 76.3°F
Cocoa Beach 75.0°F 75.1°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F

Best time for vacation in Marco Island

Sunniest months:
March 19 days
April 18 days
May 16 days
Warmest months:
August 88.0 °F
July 87.8 °F
September 86.6 °F
Warmest sea temp:
August 87.5 °F
July 87.1 °F
September 86.5 °F
Coldest months:
January 70.0 °F
December 72.8 °F
February 73.7 °F
Rainiest months:
June 6 days
July 5 days
September 4 days
Windiest months:
April 10.1 mph
November 10.0 mph
January 9.9 mph

Marco Island on a weather map

Marco Island
+84°F
NW 4 mph
Feels like: +91°F
Precip.: 3%
Places in USA:
Name
°F
+77°F
+77°F
+97°F
+73°F
+81°F
+82°F
+73°F
+64°F
+68°F
+59°F
+68°F
+88°F
+86°F
+81°F
+72°F
24 Hours Forecast
Marco Island
Local time: 22:01
June 09, tuesday
0000
79°F
W
11 mph
0300
77°F
NW
9 mph
0600
79°F
W
8 mph
0900
81°F
W
9 mph
1200
84°F
NW
6 mph
1500
84°F
NE
9 mph
1800
84°F
E
7 mph
2100
82°F
N
6 mph
Units of measurement: °C / °F