Average sea water temperature in April:
+68.3°F
| Minimum sea water temperature in April: | 74.5°F |
| Maximum sea water temperature in April: | 62.1°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 63.5°F.
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| Hilton Head Island |
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| Hilton Head Island |
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| Hilton Head Island |
14 days
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| Hilton Head Island |
Monthly sea water temperature in Hilton Head Island, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Everglades | 78.5°F | 78.8°F |
| West Palm Beach | 78.2°F | 78.3°F |
| Key Largo | 78.2°F | 78.5°F |
| Key West | 78.1°F | 78.0°F |
| Fort Lauderdale | 78.0°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Kailua Kona | 77.6°F | 78.1°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Cape Coral | 76.4°F | 77.2°F |
| Hawaii | 76.2°F | 77.3°F |
| Marco Island | 76.2°F | 77.3°F |
| Kahului | 76.1°F | 76.8°F |
| Kauai | 75.9°F | 74.9°F |
| Maui | 75.9°F | 76.6°F |
| Naples | 75.7°F | 77.0°F |
| Tampa | 75.2°F | 76.6°F |
| St. Petersburg | 75.1°F | 76.3°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Oahu | 74.9°F | 76.4°F |
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 11:07
April 29, wednesday
1200

77°F
NE
11 mph
11 mph
1500

81°F
NE
13 mph
13 mph
1800

73°F
NW
10 mph
10 mph
2100

72°F
N
11 mph
11 mph
April 30, thursday
0000

70°F
N
10 mph
10 mph
0300

70°F
NE
6 mph
6 mph
0600

70°F
E
6 mph
6 mph
0900

66°F
SE
11 mph
11 mph



























