World Resorts Japan Tokyo Weather

Tokyo sea water temperature

Current sea water temperature:
+82.9°F
Minimum sea water temperature in August: 86.4°F
Maximum sea water temperature in August: 76.8°F
Average sea water temperature in August: 81.7°F

Sea water temperature for the last 10 days:

August 26 82.9°F August 21 81.9°F
August 25 83.3°F August 20 81.0°F
August 24 82.4°F August 19 81.0°F
August 23 81.9°F August 18 80.4°F
August 22 82.0°F August 17 78.3°F

When is the warmest sea in Tokyo?

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

Monthly Sea Temperatures in Tokyo, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 82.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 78.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 85.8°F and 76.3°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 78.8°F. The highest and lowest sea temperatures during the month were 84.4°F and 74.3°F.

Best time for vacation in Tokyo

Sunniest months:
January 19 days
December 18 days
November 14 days
Warmest months:
August 90.6 °F
July 87.9 °F
September 83.4 °F
Warmest sea temp:
August 81.8 °F
September 78.7 °F
July 78.2 °F
Coldest months:
January 48.3 °F
February 50.0 °F
December 53.1 °F
Rainiest months:
June 7 days
September 6 days
October 5 days
Windiest months:
April 10.0 mph
May 9.3 mph
March 9.3 mph

Tokyo on a weather map

Tokyo
+95°F
NW 7 mph
Feels like: +102°F
Precip.: 5%
Places in Japan:
Name
°F
+77°F
+84°F
+84°F
+86°F
+84°F
+88°F
+88°F
+90°F
+81°F
+88°F
+63°F
+95°F
+88°F
+84°F
+79°F
24 Hours Forecast
Tokyo
Local time: 18:02
August 26, wednesday
2100
91°F
N
4 mph
August 27, thursday
0000
86°F
S
9 mph
0300
84°F
S
8 mph
0600
79°F
S
12 mph
0900
77°F
S
8 mph
1200
75°F
S
7 mph
1500
75°F
NE
7 mph
1800
75°F
NE
8 mph
Units of measurement: °C / °F