World Resorts USA Oahu Weather

Oahu Sea Temperature in April

Average sea water temperature in April:
+76.0°F
Minimum sea water temperature in April: 78.1°F
Maximum sea water temperature in April: 74.3°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 78.1°F and 75.7°F.

Monthly sea water temperature in Oahu, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
Islamorada 78.4°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Cape Coral 77.2°F 76.3°F
Naples 77.0°F 76.3°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°F
Clearwater Beach 75.6°F 73.5°F
Cocoa Beach 75.1°F 73.9°F
Kauai 74.9°F 75.1°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 75.3 °F
March 76.0 °F
January 76.2 °F
Rainiest months:
March 1 day
December 1 day
April 1 day
Windiest months:
July 13.0 mph
May 11.8 mph
June 11.7 mph

Oahu on a weather map

Oahu
+72°F
N 4 mph
Feels like: +72°F
Precip.: 100%
Places in USA:
Name
°F
+16°F
+75°F
+75°F
+50°F
+54°F
+68°F
+72°F
+70°F
+16°F
+54°F
+45°F
+57°F
+54°F
+39°F
+3°F
24 Hours Forecast
Oahu
Local time: 20:54
December 14, sunday
2100
72°F
N
4 mph
December 15, monday
0000
72°F
N
5 mph
0300
70°F
N
5 mph
0600
70°F
N
5 mph
0900
72°F
N
9 mph
1200
75°F
N
9 mph
1500
75°F
N
9 mph
1800
73°F
N
7 mph
Units of measurement: °C / °F