All data are in degrees Fahrenheit

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Water temperature in Nagoya

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

66.7

°F

November 16, 08:26

Trend:

decreasing

Yesterday:

67.3°F

Tomorrow:

66.6°F

Sunrise:

06:27

Sunset:

16:46

Day Length:

10 h. 19 min.

Nagoya in November

Minimum:

52.2°F

Average:

55.3°F

Maximum:

59.1°F

Sea water temperature in Nagoya today

As of now, in Nagoya, the water temperature is 66.7°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 1.3°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 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 70.4°F on 2024, while the historical minimum was 66.5°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 shows a gradual cooling trend. The average temperature is expected to be 66.2°F, the minimum temperature may reach 65.6°F, and the maximum might stay at 66.6°F.

Daily water temperature in Nagoya

Date Current Year

actual* / forecast**

last year 10 years average
Nov 2 67.2°F 70.7°F 69.4°F
Nov 3 67.4°F 69.0°F 69.1°F
Nov 4 69.0°F 68.3°F 69.1°F
Nov 5 69.0°F 68.4°F 69.2°F
Nov 6 69.0°F 69.2°F 68.8°F
Nov 7 68.9°F 70.6°F 69.1°F
Nov 8 68.2°F 71.6°F 69.1°F
Nov 9 68.0°F 71.4°F 68.9°F
Nov 10 67.9°F 71.1°F 68.6°F
Nov 11 68.0°F 71.2°F 68.7°F
Nov 12 68.4°F 71.0°F 68.5°F
Nov 13 68.3°F 70.4°F 67.9°F
Nov 14 68.1°F 70.7°F 68.2°F
Nov 15 67.3°F 70.6°F 68.5°F
Nov 16 66.7°F 70.4°F 67.9°F
Nov 17 66.6°F 70.2°F 67.9°F
Nov 18 66.4°F 71.4°F 67.6°F
Nov 19 66.5°F 71.9°F 67.7°F
Nov 20 66.3°F 71.6°F 67.6°F
Nov 21 66.1°F 70.7°F 67.4°F
Nov 22 65.9°F 70.5°F 67.1°F
Nov 23 65.6°F 70.3°F 66.9°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 Nagoya by month

In Nagoya, the months July through September offer comfortable swimming conditions, which amounts to 123 swimming days.
The warmest water in Nagoya was recorded on August 22, 2025, reaching a 89.0°F. While the coldest temperature occurred on February 16, 2018, dipping to 47.6°F. The average readings by season are 56.3°F in Winter, 60.2°F in Spring, 79.1°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hekinan 66.5°F 21mi
Tsu 64.3°F 38mi
Hamamatsu 68.1°F 57mi

* current water temperature in this city

** straight line distance from Nagoya