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 73.5°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
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Hilo 76.3°F 76.3°F
Molokai 76.2°F 76.6°F
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°F
St. Petersburg 71.2°F 68.8°F
Sarasota 70.6°F 68.6°F
Clearwater Beach 70.2°F 67.6°F
Siesta Key 70.1°F 68.5°F
Houston 69.4°F 64.6°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
June 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
+90°F
E 9 mph
Feels like: +99°F
Precip.: 3%
Places in USA:
Name
°F
+68°F
+79°F
+97°F
+75°F
+82°F
+84°F
+75°F
+81°F
+75°F
+66°F
+68°F
+81°F
+84°F
+91°F
+86°F
24 Hours Forecast
Marco Island
Local time: 19:33
June 29, monday
2100
84°F
SE
6 mph
June 30, tuesday
0000
82°F
SE
4 mph
0300
79°F
N
2 mph
0600
77°F
NE
5 mph
0900
84°F
NE
4 mph
1200
86°F
NE
5 mph
1500
88°F
E
9 mph
1800
86°F
E
11 mph
Units of measurement: °C / °F