World Resorts USA Marco Island Weather

Marco Island Sea Temperature in March

Average sea water temperature in March:
+74.2°F
Minimum sea water temperature in March: 79.7°F
Maximum sea water temperature in March: 66.7°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 78.4°F and 66.7°F.

Monthly sea water temperature in Marco Island, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
Everglades 78.2°F 74.4°F
Key West 77.1°F 74.5°F
Kailua Kona 77.1°F 77.7°F
West Palm Beach 76.9°F 75.8°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.8°F 76.8°F
Kauai 76.7°F 75.0°F
Hawaii 76.6°F 76.7°F
Fort Lauderdale 76.4°F 75.8°F
Miami 76.4°F 74.4°F
Maui 75.4°F 76.0°F
Cape Coral 74.8°F 71.7°F
Oahu 74.8°F 75.7°F
Naples 72.8°F 71.4°F
South Padre Island 72.6°F 66.8°F
Tampa 72.2°F 69.3°F
Cocoa Beach 72.1°F 70.0°F
Corpus Christi 72.1°F 67.0°F
St. Petersburg 71.7°F 68.8°F
Sarasota 70.9°F 68.6°F

Best time for vacation in Marco Island

Sunniest months:
March 19 days
April 17 days
December 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 10.0 mph
November 10.0 mph
January 9.9 mph

Marco Island on a weather map

Marco Island
+63°F
SW 20 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+91°F
+84°F
+66°F
+72°F
+72°F
+32°F
+66°F
+63°F
+61°F
+59°F
+61°F
+36°F
24 Hours Forecast
Marco Island
Local time: 21:43
March 19, thursday
0000
61°F
SW
17 mph
0300
59°F
S
19 mph
0600
59°F
S
18 mph
0900
61°F
S
19 mph
1200
70°F
S
17 mph
1500
75°F
S
14 mph
1800
77°F
SW
14 mph
2100
70°F
SW
23 mph
Units of measurement: °C / °F