Hạ Long Water Temperature

(Today) 2024

20.2°C / 68.3°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

26°C / 79°F
(few clouds)
Partly cloudy
Wind
1 mph
Humidity
95%

The measurements for the water temperature in Hạ Long, Quảng Ninh are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Hạ Long water temperature derived from many years of historical sea surface temperature data.

Hạ Long average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Hạ Long
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.3 18 18.1 19.1 24.3 27.8 29.1 29.2 27.3 25 23.3 19.1
Max °C 20.9 21.5 22.3 26 30.4 30.9 31.9 31.1 31.2 29.3 26.5 24.4
Min °F 66 65.8 66.3 69.1 78.1 83.2 85.5 85.3 82.7 78.7 75.2 68.5
Max °F 68.6 69.3 70.5 76 84.2 86.3 88.3 87.2 86.6 83 78.4 73.8

The warmest water temperature is in July with an average around 86.9°F / 30.5°C. The coldest month is January with an average water temperature of 67.3°F / 19.6°C.


7 day tide forecast for Hạ Long

FriSatSunMonTueWedThu
  • Low 6:44am
    (0.35m)
  • High 6:50pm
    (3.63m)
  • Low 7:37am
    (0.1m)
  • High 7:48pm
    (3.73m)
  • Low 8:29am
    (0.03m)
  • High 8:50pm
    (3.7m)
  • Low 9:20am
    (0.08m)
  • High 9:54pm
    (3.58m)
  • Low 10:13am
    (0.22m)
  • High 11:00pm
    (3.43m)
  • Low 11:06am
    (0.42m)
  • High 12:04am
    (3.27m)
  • Low 12:00pm
    (0.64m)
7 day tide times for Hạ Long

*These tide times are estimates based on the nearest accurate location (Hongay, Vietnam) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.