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Japan > Kisarazu

Water temperature in Kisarazu

Detailed information about the current water temperature in Kisarazu. 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.
Sea temperature in Kisarazu now

57.0

°F

February 12, 10:13

Trend:

decreasing

Yesterday:

57.1°F

Tomorrow:

56.7°F

Sunrise:

06:31

Sunset:

17:19

Day Length:

10 h. 48 min.

Kisarazu in February

Minimum:

53.9°F

Average:

56.7°F

Maximum:

59.9°F

Sea water temperature in Kisarazu today

As of now, in Kisarazu, the water temperature is 57.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.6°F higher 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 56.2°F on 2016, while the historical minimum was 52.0°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Kisarazu

Date Current Year

actual* / forecast**

 last year 10 years average
Jan 29 52.3°F 52.2°F 53.6°F
Jan 30 52.1°F 54.2°F 53.9°F
Jan 31 53.1°F 52.8°F 53.8°F
Feb 1 53.0°F 53.0°F 53.6°F
Feb 2 52.9°F 53.3°F 53.6°F
Feb 3 52.1°F 53.7°F 53.8°F
Feb 4 53.1°F 53.4°F 54.0°F
Feb 5 54.8°F 54.2°F 54.7°F
Feb 6 55.5°F 54.7°F 54.8°F
Feb 7 56.7°F 54.4°F 54.8°F
Feb 8 57.1°F 53.9°F 55.1°F
Feb 9 56.4°F 54.2°F 55.1°F
Feb 10 56.5°F 54.1°F 55.0°F
Feb 11 57.1°F 52.6°F 54.6°F
Feb 12 57.0°F 52.0°F 54.4°F
Feb 13 56.7°F 52.6°F 54.1°F
Feb 14 56.4°F 53.2°F 53.8°F
Feb 15 56.3°F 51.8°F 53.8°F
Feb 16 56.5°F 52.2°F 53.9°F
Feb 17 57.2°F 55.9°F 54.7°F
Feb 18 57.1°F 56.0°F 54.5°F
Feb 19 56.7°F 54.5°F 54.1°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 Kisarazu by month

January

February

March

April

May

June

July

August

September

October

November

December

In Kisarazu, the months July through September offer comfortable swimming conditions, which amounts to 106 swimming days.
The warmest water in Kisarazu was recorded on August 18, 2023, reaching a 85.6°F. While the coldest temperature occurred on February 21, 2022, dipping to 49.6°F. The average readings by season are 56.3°F in Winter, 60.4°F in Spring, 77.0°F in Summer, and 72.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kimitsu 57.1°F 4mi
Futtsu 58.1°F 8mi
Ichihara 55.7°F 12mi
Kawasaki 54.5°F 15mi
Yokohama 56.0°F 16mi
Yokosuka 59.5°F 16mi
Chiba 55.2°F 18mi
Honchō 52.9°F 22mi
Tokyo 53.3°F 25mi
Fujisawa 59.9°F 26mi

* current water temperature in this city

** straight line distance from Kisarazu