World sea water temperatures

Water temperature in Marquesas Keys (FL) in January

Is it warm enough to swim in Marquesas Keys in January? Average water temperature in Marquesas Keys in January is 73.6°F and therefore suitable for comfortable swimming. The warmest sea in Marquesas Keys in January is 79.2°F, and the coldest is 67.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Marquesas Keys

Changes water temperature in Marquesas Keys in January 2025, 2024

To get an accurate forecast for the water temperature in Marquesas Keys for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Marquesas Keys, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 175.4°F72.3°F70.2°F78.4°F
January 276.1°F72.9°F71.2°F79.2°F
January 374.5°F73.8°F71.6°F78.4°F
January 473°F72.3°F71.2°F77.5°F
January 573°F71.2°F71.2°F77°F
January 672.3°F72.9°F71.8°F76.6°F
January 773°F73.6°F71.1°F77.2°F
January 872.9°F73.4°F71.1°F76.8°F
January 971.1°F73.8°F70.5°F76.6°F
January 1070°F73.8°F70°F77°F
January 1170.5°F73.8°F70.5°F76.3°F
January 1269.6°F74.8°F69.6°F76.3°F
January 1371.1°F74.8°F70.7°F76.1°F
January 1471.2°F75°F70.3°F75.9°F
January 1570.3°F75°F70.3°F75.6°F
Day 2025 2024 Min Max
January 1670.5°F75.9°F70.5°F76.1°F
January 1771.6°F75.6°F71.1°F76.1°F
January 1872°F74.7°F69.6°F75.9°F
January 1972.7°F74.3°F69.4°F75.9°F
January 2072.5°F73°F69.6°F75.7°F
January 2170.9°F73.6°F70.2°F75.7°F
January 2271.6°F73.6°F70°F77.4°F
January 2369.4°F73.8°F68.2°F76.8°F
January 2469.1°F73.4°F68.2°F76.5°F
January 2567.3°F74.8°F67.3°F76.5°F
January 2667.3°F75.4°F67.3°F75.4°F
January 2768.7°F75.6°F68.7°F75.6°F
January 2868°F75.9°F68°F75.9°F
January 2969.3°F75°F68.4°F75°F
January 3070.3°F73°F67.5°F75.2°F
January 3171.4°F72.1°F68.4°F76.3°F
Marquesas Keys water temp chart in January

Average water temperature in Marquesas Keys in January over a decade

20162017201820192020
75.4°F74.8°F72.3°F73.8°F74.7°F
20212022202320242025
72.1°F74.5°F74.5°F73.9°F71.2°F

Marquesas Keys sea state in January

Chart comparing the height of waves in Marquesas Keys in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Marquesas Keys in January

Marquesas Keys water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in January?

Want to know where the water temperature in January is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Smathers Beach74.8°F68.5°F79.9°F
Big Coppitt Key73.6°F66.7°F79.2°F
Geiger Beach75°F68.9°F80.1°F
Sugarloaf Key74.1°F68.2°F79.7°F
Cudjoe Key74.5°F68.5°F79.9°F
Florida Keys74.7°F68.9°F80.1°F
Summerland Key74.7°F68.9°F80.1°F
Ramrod Key74.8°F69.1°F80.1°F
Little Torch Key74.8°F69.1°F80.1°F
Looe Key75.9°F69.8°F80.6°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Marquesas Keys is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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