Where is the sea warmest in Japan in March?

Nishihama Beach in Japan has the warmest sea in Japan in March, averaging about 25.0 °C. Yonaha Maehama (25.0 °C) and Sunayama Beach follow close behind.

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

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

How are these March sea temperatures calculated?

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

Seasonal ranking

Warmest sea temperature in Japan in March

Where the sea is warmest across Japan during March, ranked by long-term monthly average water temperature. Nishihama Beach (Okinawa, Japan) tops the list at around 25°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Nishihama Beach
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
25°C
March average
2
Yonaha Maehama
Okinawa · Japan · Pacific Ocean
Warm — comfortable swimming
25°C
March average
3
Sunayama Beach
Okinawa · Japan · East China Sea
Warm — comfortable swimming
25°C
March average
4
Kabira Bay
Okinawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
20°C
March average
5
Kondoi Beach
Okinawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
20°C
March average
6
Naminoue Beach
Okinawa · Japan · East China Sea
Mild — fine for a swim, cool at first
19°C
March average
7
Emerald Beach
Okinawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
8
Manza Beach
Okinawa · Japan · East China Sea
Mild — fine for a swim, cool at first
19°C
March average
9
Mibaru Beach
Okinawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
10
Furuzamami Beach
Okinawa · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
11
Shirahama Beach
Wakayama · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
12
Katsurahama Beach
Kochi · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
13
Nigishima Beach
Mie · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
14
Ibusuki Beach
Kagoshima · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
15
Aoshima Beach
Miyazaki · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
16
Suma Beach
Hyogo · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
17
Shirahama Beach Izu
Shizuoka · Japan · Pacific Ocean
Mild — fine for a swim, cool at first
19°C
March average
18
Yuigahama Beach
Kanagawa · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average
19
Zushi Beach
Kanagawa · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average
20
Enoshima Beach
Kanagawa · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average
21
Kujukuri Beach
Chiba · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average
22
Onjuku Beach
Chiba · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average
23
Kujukuri Beach
Chiba · Japan · Pacific Ocean
Cold — wetsuit strongly recommended
13°C
March average

Warmest sea in March elsewhere

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Japan in March — frequently asked questions

Where is the sea warmest in Japan in March?: Nishihama Beach in Japan has the warmest sea in Japan in March, averaging about 25.0 °C. Yonaha Maehama (25.0 °C) and Sunayama Beach follow close behind.
How many beaches in Japan are warm enough to swim in March?: 3 of the top 23 ranked beaches in Japan average 22 °C or more in March, which most swimmers find comfortable without a wetsuit.
How are these March sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical March rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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