All data are in degrees Fahrenheit

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Water temperature in Hamamatsu

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

57.4

°F

April 10, 11:37

Trend:

stable

Yesterday:

57.6°F

Tomorrow:

57.4°F

Sunrise:

05:25

Sunset:

18:17

Day Length:

12 h. 52 min.

Hamamatsu in April

Minimum:

59.6°F

Average:

62.1°F

Maximum:

64.8°F

Sea water temperature in Hamamatsu today

As of now, in Hamamatsu, the water temperature is 57.4°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 4.1°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 stay about the same.

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 63.7°F on 2016, while the historical minimum was 60.2°F on 2017.

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 suggests a gradual increase. The average temperature is expected to rise up to 58.1°F, with minimum temperature starting at 57.4°F, while the maximum might reach 58.6°F.

Daily water temperature in Hamamatsu

Date Current Year

actual* / forecast**

last year 10 years average
Mar 27 57.2°F 58.4°F 60.2°F
Mar 28 57.8°F 59.1°F 60.2°F
Mar 29 58.2°F 59.5°F 60.4°F
Mar 30 59.5°F 59.7°F 60.5°F
Mar 31 60.7°F 59.9°F 60.6°F
Apr 1 60.1°F 60.1°F 60.8°F
Apr 2 60.0°F 60.2°F 60.7°F
Apr 3 58.5°F 60.2°F 60.7°F
Apr 4 58.9°F 59.6°F 60.7°F
Apr 5 58.5°F 57.9°F 60.9°F
Apr 6 58.3°F 59.3°F 61.3°F
Apr 7 59.7°F 59.4°F 61.4°F
Apr 8 58.9°F 57.5°F 61.0°F
Apr 9 57.6°F 59.8°F 61.7°F
Apr 10 57.4°F 60.6°F 61.5°F
Apr 11 57.4°F 61.3°F 61.5°F
Apr 12 57.5°F 60.6°F 61.5°F
Apr 13 57.6°F 61.3°F 61.7°F
Apr 14 58.4°F 62.5°F 62.4°F
Apr 15 58.6°F 62.1°F 62.6°F
Apr 16 58.5°F 61.2°F 62.5°F
Apr 17 58.6°F 61.5°F 62.7°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 Hamamatsu by month

In Hamamatsu, the months July through October offer comfortable swimming conditions, which amounts to 131 swimming days.
The warmest water in Hamamatsu was recorded on August 17, 2024, reaching a 86.9°F. While the coldest temperature occurred on February 6, 2026, dipping to 54.6°F. The average readings by season are 62.1°F in Winter, 62.9°F in Spring, 77.6°F in Summer, and 75.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Yaizu 59.0°F 35mi
Shizuoka 59.7°F 42mi
Hekinan 57.8°F 44mi
Nagoya 56.6°F 57mi

* current water temperature in this city

** straight line distance from Hamamatsu