Where is the sea coldest in Japan in October?

Yuigahama Beach in Japan has the coldest sea in Japan in October, averaging about 19.0 °C. Zushi Beach (19.0 °C) and Enoshima Beach are the next coolest.

How many beaches in Japan are warm enough to swim in October?

17 of the top 23 ranked beaches in Japan average 22 °C or more in October, which most swimmers find comfortable without a wetsuit.

How are these October sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical October rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Japan in October

Where the sea is coolest across Japan during October, ranked by long-term monthly average water temperature. Yuigahama Beach (Kanagawa, Japan) is the coolest at around 19°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Yuigahama Beach
Kanagawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
2
Zushi Beach
Kanagawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
3
Enoshima Beach
Kanagawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
4
Kujukuri Beach
Chiba · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
5
Onjuku Beach
Chiba · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
6
Kujukuri Beach
Chiba · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
October average
7
Kabira Bay
Okinawa · Japan · Pacific Ocean
Pleasant — swimmable without a wetsuit
22°C
October average
8
Kondoi Beach
Okinawa · Japan · Pacific Ocean
Pleasant — swimmable without a wetsuit
22°C
October average
9
Sunayama Beach
Okinawa · Japan · Pacific Ocean
Pleasant — swimmable without a wetsuit
22°C
October average
10
Naminoue Beach
Okinawa · Japan · East China Sea
Warm — comfortable swimming
24°C
October average
11
Emerald Beach
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
12
Manza Beach
Okinawa · Japan · East China Sea
Warm — comfortable swimming
24°C
October average
13
Mibaru Beach
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
14
Furuzamami Beach
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
15
Shirahama Beach
Wakayama · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
16
Katsurahama Beach
Kochi · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
17
Nigishima Beach
Mie · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
18
Ibusuki Beach
Kagoshima · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
19
Aoshima Beach
Miyazaki · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
20
Suma Beach
Hyogo · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
21
Sunset Beach Chatan
Okinawa · Japan · East China Sea
Warm — comfortable swimming
24°C
October average
22
Shirahama Beach Izu
Shizuoka · Japan · Pacific Ocean
Warm — comfortable swimming
24°C
October average
23
Nishihama Beach
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
27°C
October average

Coldest sea in October elsewhere

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Japan in October — frequently asked questions

Where is the sea coldest in Japan in October?: Yuigahama Beach in Japan has the coldest sea in Japan in October, averaging about 19.0 °C. Zushi Beach (19.0 °C) and Enoshima Beach are the next coolest.
How many beaches in Japan are warm enough to swim in October?: 17 of the top 23 ranked beaches in Japan average 22 °C or more in October, which most swimmers find comfortable without a wetsuit.
How are these October sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical October rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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