World Resorts USA Kauai Weather

Kauai Sea Temperature in March

Average sea water temperature in March:
+75.5°F
Minimum sea water temperature in March: 77.2°F
Maximum sea water temperature in March: 73.6°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 77.0°F and 75.2°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
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
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

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 4 days
Warmest months:
September 80.3 °F
August 80.0 °F
July 79.2 °F
Warmest sea temp:
September 80.6 °F
October 80.4 °F
August 79.6 °F
Coldest months:
February 73.6 °F
March 74.2 °F
January 74.6 °F
Rainiest months:
March 2 days
January 2 days
February 2 days
Windiest months:
July 11.7 mph
June 10.9 mph
May 10.8 mph

Kauai on a weather map

Kauai
+73°F
W 12 mph
Feels like: +79°F
Precip.: 25%
Places in USA:
Name
°F
+66°F
+77°F
+86°F
+61°F
+79°F
+84°F
+72°F
+73°F
+70°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
Kauai
Local time: 22:20
June 26, friday
0000
73°F
W
12 mph
0300
73°F
W
11 mph
0600
72°F
W
10 mph
0900
77°F
W
12 mph
1200
79°F
W
12 mph
1500
79°F
W
14 mph
1800
77°F
W
12 mph
2100
73°F
W
11 mph
Units of measurement: °C / °F