Current sea water temperature:
+79.7°F
| Minimum sea water temperature in October: | 82.0°F |
| Maximum sea water temperature in October: | 78.4°F |
| Average sea water temperature in October: | 80.4°F |
| more information | |
14 days
forecast
forecast
| Kauai |
monthly
weather
weather
| Kauai |
Sea water temperature for the last 10 days:
| October 24 | 79.7°F | October 19 | 80.4°F |
| October 23 | 79.7°F | October 18 | 80.4°F |
| October 22 | 80.1°F | October 17 | 80.8°F |
| October 21 | 79.9°F | October 16 | 81.0°F |
| October 20 | 80.1°F | October 15 | 80.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Kauai?
Based on the data about daily sea water temperature for the last three years the warmest sea in Kauai was noticed in September, October and August.
Monthly Sea Temperatures in Kauai, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 80.0°F. The highest and lowest sea temperatures during the month were 80.4°F and 79.0°F.
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 81.1°F and 79.7°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 81.0°F and 79.3°F.
current
weather
weather
| Kauai |
weather in
October
October
| Kauai |
Best time for vacation in Kauai
Kauai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kauai
Local time: 17:10
October 24, saturday
1800
73°F
SW
9 mph
9 mph
2100
73°F
SW
8 mph
8 mph
October 25, sunday
0000
72°F
SW
7 mph
7 mph
0300
72°F
SW
6 mph
6 mph
0600
72°F
SW
6 mph
6 mph
0900
73°F
W
6 mph
6 mph
1200
75°F
SW
8 mph
8 mph
1500
73°F
SW
9 mph
9 mph
