What is the current water temperature in Ishigaki?

Q: What is the current water temperature in Ishigaki?

As of now, in Ishigaki, the water temperature is 22.96°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Japan > Ishigaki

Water temperature in Ishigaki

Detailed information about the current water temperature in Ishigaki. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

73.3

°F

February 8, 18:39

Trend:

decreasing

Yesterday:

73.7°F

Tomorrow:

73.2°F

Sunrise:

07:22

Sunset:

18:34

Day Length:

11 h. 12 min.

Ishigaki in February

Minimum:

74.4°F

Average:

75.5°F

Maximum:

77.2°F

Sea water temperature in Ishigaki today

As of now, in Ishigaki, the water temperature is 73.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.4°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 75.2°F on 2019, while the historical minimum was 72.1°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Ishigaki

Date	Current Year actual* / forecast**	last year	10 years average
Jan 25	73.7°F	73.8°F	74.2°F
Jan 26	73.6°F	73.7°F	74.1°F
Jan 27	73.7°F	73.8°F	74.2°F
Jan 28	73.2°F	73.1°F	74.0°F
Jan 29	73.0°F	72.7°F	73.9°F
Jan 30	72.6°F	72.6°F	73.9°F
Jan 31	73.0°F	72.6°F	73.8°F
Feb 1	72.9°F	72.2°F	73.8°F
Feb 2	72.5°F	72.4°F	73.7°F
Feb 3	72.7°F	72.7°F	73.8°F
Feb 4	72.9°F	72.5°F	73.7°F
Feb 5	73.5°F	72.4°F	73.8°F
Feb 6	73.6°F	72.5°F	73.7°F
Feb 7	73.7°F	72.7°F	73.7°F
Feb 8	73.3°F	72.1°F	73.7°F
Feb 9	73.2°F	72.2°F	73.6°F
Feb 10	73.4°F	72.4°F	73.8°F
Feb 11	73.5°F	72.7°F	73.9°F
Feb 12	73.3°F	72.6°F	73.7°F
Feb 13	73.3°F	71.6°F	73.7°F
Feb 14	73.5°F	71.5°F	73.9°F
Feb 15	73.5°F	71.5°F	73.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Ishigaki by month

In Ishigaki, the water temperature is comfortable for swimming all year round.

The warmest water in Ishigaki was recorded on July 19, 2024, reaching a 88.6°F. While the coldest temperature occurred on February 14, 2025, dipping to 71.5°F. The average readings by season are 75.1°F in Winter, 76.9°F in Spring, 84.7°F in Summer, and 82.4°F in Autumn.