All data are in degrees Fahrenheit

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Water temperature in Atami

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

65.3

°F

December 16, 07:13

Trend:

decreasing

Yesterday:

65.3°F

Tomorrow:

65.0°F

Sunrise:

06:45

Sunset:

16:33

Day Length:

9 h. 48 min.

Atami in December

Minimum:

59.0°F

Average:

61.2°F

Maximum:

64.0°F

Sea water temperature in Atami today

As of now, in Atami, the water temperature is 65.3°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is about the same as 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 67.1°F on 2015, while the historical minimum was 62.8°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.3°F, the minimum temperature may reach 63.8°F, and the maximum might stay at 65.0°F.

Daily water temperature in Atami

Date Current Year

actual* / forecast**

last year 10 years average
Dec 2 69.6°F 69.1°F 67.7°F
Dec 3 69.2°F 68.1°F 67.3°F
Dec 4 69.0°F 68.8°F 67.4°F
Dec 5 67.7°F 68.4°F 67.1°F
Dec 6 67.1°F 67.9°F 66.9°F
Dec 7 66.8°F 67.5°F 66.6°F
Dec 8 66.2°F 67.2°F 66.3°F
Dec 9 66.4°F 67.1°F 66.2°F
Dec 10 66.0°F 66.9°F 65.9°F
Dec 11 65.9°F 66.1°F 65.9°F
Dec 12 65.9°F 66.5°F 65.9°F
Dec 13 65.6°F 66.6°F 65.7°F
Dec 14 65.6°F 66.6°F 65.6°F
Dec 15 65.3°F 65.7°F 65.4°F
Dec 16 65.3°F 66.7°F 65.4°F
Dec 17 65.0°F 65.9°F 65.1°F
Dec 18 64.9°F 66.3°F 65.0°F
Dec 19 64.5°F 65.8°F 64.6°F
Dec 20 64.2°F 65.0°F 64.3°F
Dec 21 63.9°F 64.8°F 64.0°F
Dec 22 63.9°F 64.8°F 64.0°F
Dec 23 63.8°F 64.6°F 63.9°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 Atami by month

In Atami, the months July through October offer comfortable swimming conditions, which amounts to 116 swimming days.
The warmest water in Atami was recorded on August 19, 2024, reaching a 84.7°F. While the coldest temperature occurred on March 14, 2018, dipping to 56.0°F. The average readings by season are 62.0°F in Winter, 62.3°F in Spring, 76.1°F in Summer, and 74.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Itō 65.4°F 9mi
Odawara 64.5°F 13mi
Fujisawa 64.1°F 30mi
Yokosuka 61.8°F 37mi
Shizuoka 64.5°F 39mi
Yokohama 58.5°F 41mi
Yaizu 64.4°F 44mi
Futtsu 58.4°F 46mi
Kawasaki 57.3°F 48mi
Kimitsu 57.0°F 50mi

* current water temperature in this city

** straight line distance from Atami