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Japan > Shimonoseki

Water temperature in Shimonoseki

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

55.2

°F

January 31, 08:49

Trend:

decreasing

Yesterday:

55.5°F

Tomorrow:

55.1°F

Sunrise:

07:15

Sunset:

17:45

Day Length:

10 h. 30 min.

Shimonoseki in February

Minimum:

56.4°F

Average:

58.0°F

Maximum:

59.7°F

Sea water temperature in Shimonoseki today

As of now, in Shimonoseki, the water temperature is 55.2°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 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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 56.5°F on 2016, while the historical minimum was 54.0°F on 2023.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 54.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Shimonoseki

Date Current Year

actual* / forecast**

 last year 10 years average
Jan 17 56.8°F 56.1°F 56.7°F
Jan 18 55.1°F 56.2°F 56.5°F
Jan 19 54.2°F 56.3°F 56.3°F
Jan 20 53.8°F 56.5°F 56.4°F
Jan 21 54.9°F 56.5°F 56.1°F
Jan 22 54.0°F 55.2°F 55.9°F
Jan 23 54.6°F 55.5°F 56.2°F
Jan 24 54.8°F 55.7°F 56.3°F
Jan 25 54.5°F 55.7°F 55.9°F
Jan 26 55.2°F 55.3°F 56.1°F
Jan 27 55.2°F 55.2°F 55.9°F
Jan 28 55.3°F 55.3°F 55.8°F
Jan 29 55.4°F 55.4°F 55.6°F
Jan 30 55.5°F 55.5°F 55.5°F
Jan 31 55.2°F 55.6°F 55.3°F
Feb 1 55.1°F 55.4°F 55.1°F
Feb 2 54.9°F 55.2°F 55.0°F
Feb 3 55.0°F 55.3°F 55.1°F
Feb 4 54.8°F 55.5°F 54.9°F
Feb 5 54.9°F 55.7°F 55.0°F
Feb 6 54.9°F 55.9°F 55.0°F
Feb 7 55.0°F 56.1°F 55.1°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 Shimonoseki by month

January

February

March

April

May

June

July

August

September

October

November

December

In Shimonoseki, the months July through September offer comfortable swimming conditions, which amounts to 112 swimming days.
The warmest water in Shimonoseki was recorded on August 8, 2024, reaching a 86.8°F. While the coldest temperature occurred on February 22, 2022, dipping to 49.3°F. The average readings by season are 57.4°F in Winter, 59.4°F in Spring, 77.4°F in Summer, and 73.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kitakyushu 55.0°F 9mi
Fukuoka 56.2°F 39mi
Beppu 55.5°F 57mi
Ōita 55.5°F 63mi

* current water temperature in this city

** straight line distance from Shimonoseki