Current sea water temperature:
+68.7°F
| Minimum sea water temperature in May: | 71.2°F |
| Maximum sea water temperature in May: | 59.9°F |
| Average sea water temperature in May: | 66.1°F |
| more information | |
14 days
forecast
forecast
| Tokyo |
monthly
weather
weather
| Tokyo |
Sea water temperature for the last 10 days:
| May 17 | 68.7°F | May 12 | 66.6°F |
| May 16 | 68.5°F | May 11 | 68.5°F |
| May 15 | 69.3°F | May 10 | 70.2°F |
| May 14 | 69.1°F | May 9 | 68.0°F |
| May 13 | 68.2°F | May 8 | 68.7°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.7°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.4°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 84.6°F and 76.6°F.
current
weather
weather
| Tokyo |
weather in
May
May
| Tokyo |
Best time for vacation in Tokyo
Tokyo on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Tokyo
Local time: 18:52
May 17, sunday
2100
73°F
N
13 mph
13 mph
May 18, monday
0000
70°F
N
8 mph
8 mph
0300
70°F
SE
2 mph
2 mph
0600
70°F
S
2 mph
2 mph
0900
75°F
NW
4 mph
4 mph
1200
82°F
N
12 mph
12 mph
1500
81°F
N
17 mph
17 mph
1800
75°F
N
17 mph
17 mph
