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Sea Temperature

Charlotte Amalie Sea Temperature

(Today) Dec 2017

27.8°C / 82°F

Current weather

(scattered clouds)
28°C / 83°F

Partly cloudy

16 mph



The measurements for the sea temperature in Charlotte Amalie, Saint Thomas Island are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly water temperatures over several years.

Maximum and minimum monthly sea temperatures in Charlotte Amalie
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 25.6 25.2 25.4 25.7 26.3 27.4 27.7 28 28.5 28.3 28 26.6
Max °C 27.2 26.7 26.8 28.3 28.7 29.3 29.6 30.2 30.4 30 29.3 28.2
Min °F 78.7 77.9 78.3 79.3 80.3 82 82.6 83.3 84 83.6 82.9 80.5
Max °F 80.3 79.4 79.7 81.9 82.7 83.9 84.5 85.5 85.9 85.3 84.2 82.1

7 day tide forecast for Charlotte Amalie

  • Low 12:52am
  • High 09:23am
  • Low 01:16am
  • High 09:57am
  • Low 01:39am
  • High 10:30am
  • Low 02:03am
  • High 11:03am
  • Low 02:27am
  • High 11:36am
  • Low 02:52am
  • High 12:08pm
  • Low 03:18am
  • High 12:40pm
  • Low 09:47pm
  • High 10:43pm

*These tide times are estimates based on the nearest port (Charlotte Amalie, St. Thomas) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average December sea temperatures

  • Max: 26.6°C / 79.9°F
  • Avg: 27.4°C / 81.3°F
  • Min: 28.2°C / 82.8°F
Charlotte Amalie average sea temperature chart

These average ocean temperatures for Charlotte Amalie are calculated from several years of archived data.

Map showing location of Charlotte Amalie (18.341900, -64.930700)

Locations nearby


Whilst sea temperatures for Charlotte Amalie are as accurate as current data allows there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Charlotte Amalie
Charlotte Amalie, Sharlota Amalija, Шарлота Амалия, Шарлота Амалија, שארלוט אמאלי, シャーロット・アマリー

Charlotte Amalie average sea temperature chart