World Resorts Japan Okinawa Weather

Okinawa sea water temperature

Current sea water temperature:
+81.5°F
Minimum sea water temperature in October: 86.7°F
Maximum sea water temperature in October: 76.8°F
Average sea water temperature in October: 81.1°F

Sea water temperature for the last 10 days:

October 25 81.5°F October 20 82.0°F
October 24 81.0°F October 19 82.2°F
October 23 81.7°F October 18 82.0°F
October 22 81.9°F October 17 82.4°F
October 21 82.4°F October 16 82.0°F

When is the warmest sea in Okinawa?

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

Monthly Sea Temperatures in Okinawa, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 84.1°F. The highest and lowest sea temperatures during the month were 86.4°F and 82.2°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 83.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.6°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 83.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 80.1°F.

Best time for vacation in Okinawa

Sunniest months:
July 9 days
August 8 days
March 6 days
Warmest months:
August 86.8 °F
July 86.6 °F
September 85.2 °F
Warmest sea temp:
August 84.5 °F
September 83.8 °F
July 83.6 °F
Coldest months:
January 64.4 °F
February 65.5 °F
December 68.0 °F
Rainiest months:
June 13 days
May 10 days
August 9 days
Windiest months:
December 15.4 mph
October 14.6 mph
January 14.4 mph

Okinawa on a weather map

Okinawa
+79°F
NE 12 mph
Feels like: +82°F
Precip.: 15%
Places in Japan:
Name
°F
+68°F
+70°F
+70°F
+66°F
+68°F
+73°F
+68°F
+68°F
+79°F
+70°F
+46°F
+68°F
+66°F
+70°F
+66°F
24 Hours Forecast
Okinawa
Local time: 01:10
October 26, monday
0300
77°F
E
12 mph
0600
77°F
E
11 mph
0900
79°F
SE
13 mph
1200
81°F
SE
14 mph
1500
79°F
SE
14 mph
1800
77°F
SE
12 mph
2100
75°F
SE
11 mph
October 27, tuesday
0000
75°F
S
10 mph
Units of measurement: °C / °F