Yokohama Water Temperature

(Today) 2025

15.6°C / 60°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

17°C / 63°F
(moderate rain)
Partly cloudy
Wind
20 mph
Humidity
79%

The measurements for the water temperature in Yokohama, Kanagawa are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Yokohama water temperature derived from many years of historical sea surface temperature data.

Yokohama average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Yokohama
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13.9 13 13 13.5 15.3 18.7 22.2 24 23.1 20.9 17.7 15
Max °C 17.4 15.1 15.4 18.2 20.4 23 26 27.3 27.4 23.5 22.4 19.5
Min °F 58.4 56.2 56.4 58.1 61.5 67.3 73.5 76.5 75.3 70.7 65.7 60.8
Max °F 61.9 58.3 58.8 62.8 66.6 71.6 77.3 79.8 79.6 73.3 70.4 65.3

The warmest water temperature is in August with an average around 78.1°F / 25.6°C. The coldest month is February with an average water temperature of 57.2°F / 14.0°C.

7 day tide forecast for Yokohama

FriSatSunMonTueWedThu
  • Low 1:10am
    (1.06m)
  • High 6:36am
    (1.7m)
  • Low 1:52pm
    (0.05m)
  • High 9:26pm
    (1.56m)
  • Low 1:46am
    (1.15m)
  • High 7:05am
    (1.58m)
  • Low 2:39pm
    (0.23m)
  • High 10:27pm
    (1.46m)
  • Low 2:30am
    (1.21m)
  • High 7:45am
    (1.42m)
  • Low 3:41pm
    (0.43m)
  • High 11:38pm
    (1.4m)
  • Low 5:12am
    (1.23m)
  • High 5:32am
    (1.23m)
  • Low 6:50am
    (1.23m)
  • High 9:56am
    (1.26m)
  • Low 5:21pm
    (0.58m)
  • High 12:52am
    (1.39m)
  • Low 7:57am
    (1.03m)
  • High 12:04pm
    (1.22m)
  • Low 7:03pm
    (0.63m)
  • High 1:47am
    (1.43m)
  • Low 8:26am
    (0.82m)
  • High 1:49pm
    (1.29m)
  • Low 8:04pm
    (0.64m)
  • High 2:22am
    (1.48m)
  • Low 8:52am
    (0.63m)
  • High 3:00pm
    (1.41m)
  • Low 8:47pm
    (0.65m)
7 day tide times for Yokohama

*These tide times are estimates based on the nearest accurate location (Yokohama-Sinko, Kanagawa, Japan) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.