World Resorts USA Oahu Weather

Oahu Sea Temperature in April

Average sea water temperature in April:
+75.8°F
Minimum sea water temperature in April: 78.1°F
Maximum sea water temperature in April: 73.8°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 76.8°F and 73.8°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°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
Hawaii 76.2°F 77.3°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
South Padre Island 75.7°F 74.5°F
Tampa 75.3°F 76.6°F
St. Petersburg 75.2°F 76.3°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F
Siesta Key 73.8°F 75.7°F

Best time for vacation in Oahu

Sunniest months:
January 8 days
September 6 days
August 6 days
Warmest months:
September 82.3 °F
August 82.2 °F
July 81.2 °F
Warmest sea temp:
October 80.2 °F
September 80.1 °F
August 79.5 °F
Coldest months:
February 74.8 °F
March 75.7 °F
January 76.0 °F
Rainiest months:
March 1 day
April 1 day
December 1 day
Windiest months:
July 13.0 mph
May 11.6 mph
August 11.3 mph

Oahu on a weather map

Oahu
+72°F
W 6 mph
Feels like: +77°F
Precip.: 13%
Places in USA:
Name
°F
+79°F
+77°F
+86°F
+66°F
+82°F
+70°F
+81°F
+75°F
+66°F
+57°F
+66°F
+88°F
+84°F
+82°F
+79°F
24 Hours Forecast
Oahu
Local time: 02:51
July 16, thursday
0300
72°F
W
6 mph
0600
72°F
W
6 mph
0900
77°F
W
7 mph
1200
82°F
W
8 mph
1500
81°F
W
11 mph
1800
77°F
W
11 mph
2100
73°F
W
8 mph
July 17, friday
0000
75°F
W
8 mph
Units of measurement: °C / °F