All data are in degrees Fahrenheit

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Water temperature in Hong Kong

Detailed information about the current water temperature in Hong Kong. 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 Hong Kong now

85.7

°F

September 19, 05:02

Trend:

increasing

Yesterday:

85.7°F

Tomorrow:

85.9°F

Sunrise:

06:11

Sunset:

18:23

Day Length:

12 h. 12 min.

Hong Kong in September

Minimum:

63.2°F

Average:

66.3°F

Maximum:

68.6°F

Sea water temperature in Hong Kong today

As of now, in Hong Kong, the water temperature is 85.7°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.2°F higher 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.0°F on 2024, while the historical minimum was 81.3°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hong Kong

Date Current Year

actual* / forecast**

last year 10 years average
Sep 5 84.5°F 83.8°F 83.1°F
Sep 6 84.8°F 83.8°F 83.0°F
Sep 7 85.0°F 83.7°F 83.3°F
Sep 8 84.5°F 83.5°F 83.2°F
Sep 9 84.1°F 83.3°F 83.2°F
Sep 10 84.2°F 83.1°F 83.0°F
Sep 11 83.4°F 83.3°F 83.0°F
Sep 12 83.7°F 83.8°F 83.3°F
Sep 13 84.2°F 84.6°F 83.2°F
Sep 14 84.6°F 84.3°F 83.3°F
Sep 15 85.0°F 84.2°F 83.3°F
Sep 16 84.5°F 84.3°F 83.3°F
Sep 17 85.0°F 84.3°F 83.4°F
Sep 18 85.7°F 85.2°F 83.4°F
Sep 19 85.7°F 85.0°F 83.5°F
Sep 20 85.9°F 84.2°F 83.7°F
Sep 21 85.9°F 83.9°F 83.7°F
Sep 22 86.0°F 84.4°F 83.8°F
Sep 23 86.0°F 84.2°F 83.8°F
Sep 24 85.9°F 84.0°F 83.7°F
Sep 25 85.9°F 83.8°F 83.7°F
Sep 26 86.1°F 83.9°F 83.9°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 Hong Kong by month

In Hong Kong, the months May through November offer comfortable swimming conditions, which amounts to 227 swimming days.
The warmest water in Hong Kong was recorded on July 28, 2023, reaching a 87.6°F. While the coldest temperature occurred on February 8, 2025, dipping to 61.2°F. The average readings by season are 67.0°F in Winter, 73.3°F in Spring, 83.5°F in Summer, and 80.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Central 85.7°F 1mi
Victoria 85.9°F 2mi
Kowloon 85.8°F 3mi
Tseung Kwan O 85.8°F 6mi
Sha Tin 85.7°F 7mi
Tuen Mun 86.3°F 15mi
Shenzhen 86.2°F 20mi
Zhuhai 86.2°F 39mi
Macau 85.7°F 41mi
Dongguan 86.1°F 58mi

* current water temperature in this city

** straight line distance from Hong Kong