Swimming in Japan in february 2025 Sea temperature by city in february

In february in Japan swimming conditions vary by city. Details below:

As for Naha, Ishigaki-jima and Yonaguni-jima, swimming is pleasant in february. The sea water is 70°F on average (min: 66°F/max: 74°F) so you can easily spend time in the water.

Swimming in february in Okinawa, Kagoshima (Kyushu), Nago, Aguni-jima, Higashi, Iheya-jima, Itoman, Izenajima, Kumano Kodo, Miyagi Island, Tanega-shima, Tosashimizu, Yakushima, Yoron-jima, Miyazaki, Nichinan, Nobeoka, Saiki, Shibushi Bay and Tateyama is possible but the sea is generally cool. So though the sea temperature may sometimes reach 74°F, it can also go as low as 66°F. Note that the average is 70°F.

Swimming in february in Kochi, Hakone, Nagasaki, Takamatsu, Tokushima, Goto islands, Ise, Kamakura, Muroto, Yokohama, Hamamatsu, Kimitsu, Minamata, Niihama, Shingu, Shizuoka, Uwajima and Wakayama is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average temperature of 63°F (min: 61°F/max: 65°F).

Forget about swimming in Tokyo, Fukuoka, Hiroshima, Nagoya, Osaka, Sapporo (Hokkaido), Abashiri, Akita, Aomori, Hakodate, Izumo, Kanazawa, Kobe, Okayama, Sendai (Honshu), Izu, Kitakyushu, Kure, Miyajima, Monbetsu, Niigata, Sado island, Shiretoko National Park, Tottori, Wajima, Asahi, Beppu/Ōita, Chiba, Fuji, Hachinohe, Hamada, Hikari, Hitachi-Naka, Ishinomaki, Iwaki, Joetsu, Kamaishi, Karatsu, Kurayoshi, Kushiro, Maizuru, Masuda, Matsuyama, Miyako, Muroran, Mutsu, Nagaoka, Nanao, Nemuro, Noshiro, Otaru, Sakata, Sasebo, Tamano, Tomakomai, Toyama, Ube and Wakkanai in february! The water temperature is freezing, reaching as low as 56°F (and only 59°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!