World Resorts USA Oahu Weather

Oahu sea water temperature

Current sea water temperature:
+77.5°F
Minimum sea water temperature in December: 79.0°F
Maximum sea water temperature in December: 75.9°F
Average sea water temperature in December: 77.4°F

Sea water temperature for the last 10 days:

December 21 77.5°F December 16 76.5°F
December 20 77.4°F December 15 76.6°F
December 19 76.8°F December 14 76.6°F
December 18 76.6°F December 13 77.0°F
December 17 76.6°F December 12 77.0°F

When is the warmest sea in Oahu?

Based on the data about daily sea water temperature for the last three years the warmest sea in Oahu was noticed in October, September and August.

Monthly Sea Temperatures in Oahu, °F

Sea water temperature in October, °F

Show year:
2024
2023
2022

The average sea water temperature in October of 2024 was 80.2°F. The highest and lowest sea temperatures during the month were 80.6°F and 79.3°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 80.0°F. The highest and lowest sea temperatures during the month were 80.8°F and 78.8°F.

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 78.8°F. The highest and lowest sea temperatures during the month were 79.2°F and 78.3°F.

Best time for vacation in Oahu

Sunniest months:
January 9 days
August 6 days
September 6 days
Warmest months:
September 82.5 °F
August 82.1 °F
July 81.3 °F
Warmest sea temp:
October 80.2 °F
September 80.1 °F
August 79.5 °F
Coldest months:
February 75.0 °F
March 75.9 °F
January 76.3 °F
Rainiest months:
December 1 day
March 1 day
April 1 day
Windiest months:
July 13.6 mph
February 12.0 mph
August 11.9 mph

Oahu on a weather map

Oahu
+75°F
N 1 mph
Feels like: +79°F
Precip.: 88%
Places in USA:
Name
°F
+19°F
+25°F
+75°F
+75°F
+55°F
+55°F
+64°F
+21°F
+52°F
+54°F
+54°F
+54°F
+50°F
+54°F
+23°F
24 Hours Forecast
Oahu
Local time: 18:22
December 21, saturday
2100
73°F
N
1 mph
December 22, sunday
0000
72°F
SW
1 mph
0300
72°F
S
0 mph
0600
72°F
S
1 mph
0900
75°F
S
2 mph
1200
77°F
W
2 mph
1500
73°F
W
4 mph
1800
72°F
SW
6 mph
Units of measurement: °C / °F