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
Kailua Kona 77.2°F 77.7°F
West Palm Beach 77.1°F 75.8°F
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
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
South Padre Island 72.7°F 66.8°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°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 87.3 °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
+91°F
N 17 mph
Feels like: +100°F
Precip.: 4%
Places in USA:
Name
°F
+88°F
+91°F
+77°F
+100°F
+77°F
+90°F
+72°F
+91°F
+82°F
+73°F
+64°F
+77°F
+93°F
+95°F
+84°F
24 Hours Forecast
Marco Island
Local time: 12:43
July 21, tuesday
1500
93°F
N
14 mph
1800
90°F
NE
12 mph
2100
86°F
N
9 mph
July 22, wednesday
0000
84°F
N
7 mph
0300
82°F
NW
9 mph
0600
82°F
NW
12 mph
0900
84°F
NW
10 mph
1200
86°F
N
12 mph
Units of measurement: °C / °F