Average sea water temperature in April:
+75.9°F
| Minimum sea water temperature in April: | 77.7°F |
| Maximum sea water temperature in April: | 74.3°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 75.0°F.
Monthly sea water temperature in Kauai, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Everglades | 78.3°F | 78.8°F |
| West Palm Beach | 78.1°F | 78.3°F |
| Fort Lauderdale | 78.0°F | 78.0°F |
| Miami Beach | 77.9°F | 78.3°F |
| Key Largo | 77.9°F | 78.5°F |
| Key West | 77.9°F | 78.0°F |
| Hialeah | 77.6°F | 77.9°F |
| Kailua Kona | 77.4°F | 78.1°F |
| Miami | 77.4°F | 77.9°F |
| Honolulu | 76.3°F | 77.4°F |
| Cape Coral | 76.1°F | 77.2°F |
| Hawaii | 76.1°F | 77.3°F |
| Kahului | 76.0°F | 76.8°F |
| Marco Island | 75.9°F | 77.3°F |
| Kauai | 75.9°F | 74.9°F |
| Maui | 75.8°F | 76.6°F |
| Naples | 75.4°F | 77.0°F |
| Tampa | 75.0°F | 76.6°F |
| St. Petersburg | 75.0°F | 76.3°F |
| Oahu | 74.8°F | 76.4°F |
Best time for vacation in Kauai
Kauai on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Kauai
Local time: 09:48
April 26, sunday
1200
77°F
W
11 mph
11 mph
1500
77°F
W
12 mph
12 mph
1800
75°F
W
10 mph
10 mph
2100
73°F
W
9 mph
9 mph
April 27, monday
0000
72°F
W
9 mph
9 mph
0300
72°F
W
9 mph
9 mph
0600
70°F
W
7 mph
7 mph
0900
75°F
W
9 mph
9 mph
