World Resorts USA Kauai Weather

Kauai Sea Temperature in October

Average sea water temperature in October:
+80.4°F
Minimum sea water temperature in October: 82.0°F
Maximum sea water temperature in October: 78.4°F

Daily sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 80.2°F. The highest and lowest sea temperatures during the month were 81.1°F and 79.3°F.

Monthly sea water temperature in Kauai, °F

Which USA resorts have warmest sea in October?

Place name October 2026 October 2025
West Palm Beach 84.4°F 83.5°F
Fort Lauderdale 84.2°F 83.5°F
Miami Beach 83.8°F 83.4°F
Key West 83.6°F 83.8°F
South Padre Island 82.8°F 84.0°F
Miami 82.8°F 82.7°F
Kailua Kona 81.9°F 80.9°F
Naples 81.9°F 81.9°F
Corpus Christi 81.1°F 82.2°F
Siesta Key 80.7°F 80.4°F
Honolulu 80.6°F 80.7°F
Hawaii 80.5°F 80.6°F
Sarasota 80.4°F 80.2°F
Kauai 80.2°F 81.3°F
Oahu 80.0°F 79.8°F
Maui 80.0°F 79.8°F
Galveston 79.7°F 80.8°F
Houston 79.6°F 80.4°F
Panama City Beach 79.5°F 79.2°F
Tampa 79.3°F 79.4°F

Best time for vacation in Kauai

Sunniest months:
January 6 days
December 5 days
February 4 days
Warmest months:
September 79.9 °F
August 79.8 °F
July 79.1 °F
Warmest sea temp:
September 80.5 °F
October 80.4 °F
August 79.7 °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 10.8 mph
May 10.8 mph

Kauai on a weather map

Kauai
+72°F
SW 7 mph
Feels like: +72°F
Precip.: 38%
Places in USA:
Name
°F
+34°F
+37°F
+70°F
+61°F
+61°F
+64°F
+63°F
+39°F
+63°F
+55°F
+61°F
+59°F
+55°F
+63°F
+37°F
24 Hours Forecast
Kauai
Local time: 20:59
November 13, friday
2100
72°F
SW
7 mph
November 14, saturday
0000
70°F
SW
7 mph
0300
70°F
W
7 mph
0600
72°F
W
7 mph
0900
73°F
W
9 mph
1200
73°F
W
11 mph
1500
73°F
W
11 mph
1800
72°F
SW
9 mph
Units of measurement: °C / °F