All data are in degrees Fahrenheit

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Water temperature in Katsuura

Detailed information about the current water temperature in Katsuura. 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 Katsuura now

59.4

°F

January 31, 08:37

Trend:

decreasing

Yesterday:

59.7°F

Tomorrow:

59.1°F

Sunrise:

06:39

Sunset:

17:06

Day Length:

10 h. 27 min.

Katsuura in February

Minimum:

59.5°F

Average:

64.3°F

Maximum:

67.5°F

Sea water temperature in Katsuura today

As of now, in Katsuura, the water temperature is 59.4°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 2.3°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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 65.7°F on 2017, while the historical minimum was 58.8°F on 2019.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 58.7°F, the minimum temperature may reach 58.4°F, and the maximum might stay at 59.1°F.

Daily water temperature in Katsuura

Date Current Year

actual* / forecast**

last year 10 years average
Jan 17 61.6°F 61.2°F 62.7°F
Jan 18 60.3°F 62.0°F 62.6°F
Jan 19 62.5°F 62.1°F 62.4°F
Jan 20 62.1°F 63.4°F 62.4°F
Jan 21 60.6°F 63.1°F 62.2°F
Jan 22 60.3°F 63.1°F 62.2°F
Jan 23 61.7°F 63.1°F 62.1°F
Jan 24 61.5°F 61.7°F 61.8°F
Jan 25 61.9°F 61.9°F 61.6°F
Jan 26 61.9°F 62.5°F 61.8°F
Jan 27 62.7°F 60.7°F 61.8°F
Jan 28 64.0°F 64.3°F 62.1°F
Jan 29 62.9°F 63.0°F 62.1°F
Jan 30 59.7°F 63.2°F 62.1°F
Jan 31 59.4°F 63.6°F 61.7°F
Feb 1 59.1°F 63.2°F 61.5°F
Feb 2 58.9°F 63.0°F 61.2°F
Feb 3 58.7°F 62.9°F 61.1°F
Feb 4 58.7°F 62.7°F 61.0°F
Feb 5 58.6°F 63.1°F 60.9°F
Feb 6 58.5°F 62.9°F 60.8°F
Feb 7 58.4°F 63.7°F 60.7°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 Katsuura by month

In Katsuura, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.
The warmest water in Katsuura was recorded on September 16, 2024, reaching a 83.3°F. While the coldest temperature occurred on February 18, 2018, dipping to 57.1°F. The average readings by season are 63.3°F in Winter, 62.9°F in Spring, 74.6°F in Summer, and 74.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Isumi 59.2°F 8mi
Kisarazu 54.2°F 27mi
Ichihara 52.7°F 29mi
Kimitsu 54.3°F 29mi
Futtsu 55.4°F 30mi
Chiba 52.0°F 33mi
Yokosuka 56.9°F 38mi
Yokohama 55.0°F 42mi
Kawasaki 53.8°F 42mi
Honchō 47.8°F 43mi

* current water temperature in this city

** straight line distance from Katsuura