World Resorts Japan Weather

Sea water temperature in Japan

Sea water temperature
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At this moment warmest sea in Japan was observed in the following locations: Okinawa, Nagasaki, Atami.

You can find the full list of Japan marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.

Place name Current
sea temp
February 2025 March 2025
Okinawa 70.2°F 69.2°F 70.8°F
Nagasaki 60.6°F 57.1°F 57.9°F
Atami 58.1°F 59.0°F 59.6°F
Kamakura 57.2°F 59.2°F 58.7°F
Hakone 56.8°F 59.2°F 59.3°F
Fukuoka 55.4°F 53.7°F 53.4°F
Yokohama 53.1°F 55.4°F 55.6°F
Tokyo 52.7°F 52.0°F 54.6°F
Hiroshima 50.7°F 51.7°F 53.0°F
Osaka 50.2°F 47.8°F 50.8°F
Nagoya 49.5°F 51.8°F 53.2°F
Nara 48.9°F 48.0°F 50.3°F
Kobe 48.9°F 48.5°F 50.3°F
Kyoto 46.6°F 47.7°F 48.9°F
Sapporo 41.9°F 42.3°F 40.8°F
Noboribetsu 36.7°F 40.9°F 40.4°F

Charts below show average sea water temperature for Japan resorts with the warmest sea.

You can also check other months of the year to see sea temperature of Japan resorts at that time.

Places in Japan:
Name
°F
+46°F
+46°F
+48°F
+52°F
+50°F
+54°F
+50°F
+28°F
+64°F
+50°F
+19°F
+43°F
+50°F
+46°F
+46°F
Units of measurement: °C / °F