World sea water temperatures

Water temperature in Dry Tortugas (FL) in May

Is it warm enough to swim in Dry Tortugas in May? Average water temperature in Dry Tortugas in May is 80.4°F and therefore suitable for comfortable swimming. The warmest sea in Dry Tortugas in May is 86°F, and the coldest is 76.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Dry Tortugas

Changes water temperature in Dry Tortugas in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 178.4°F79°F76.5°F80.8°F
May 278.6°F79.2°F76.6°F80.2°F
May 378.6°F79.7°F77°F80.6°F
May 479.2°F79.3°F77.4°F80.8°F
May 579°F79.7°F77.4°F81.3°F
May 679.9°F79.7°F77.5°F81.3°F
May 779.5°F80.1°F77.5°F81.3°F
May 879.9°F80.1°F77.4°F81.7°F
May 980.4°F80.8°F77.4°F81.3°F
May 1080.1°F81.1°F77.9°F81.5°F
May 1181°F81.1°F77°F81.1°F
May 1279.9°F81.1°F77.7°F81.5°F
May 1379.9°F81.9°F77.9°F82.2°F
May 1480.4°F82.6°F77.7°F82.6°F
May 1581.1°F82.9°F77.5°F82.9°F
Day 2025 2024 Min Max
May 1680.8°F83.5°F77.4°F83.5°F
May 1781.3°F83.7°F78.1°F83.7°F
May 1881.5°F82.8°F77.9°F82.8°F
May 1982°F83.3°F78.4°F83.3°F
May 2082.2°F83.7°F78.6°F83.7°F
May 2182°F83.8°F78.6°F83.8°F
May 2283.3°F84.2°F78.8°F84.2°F
May 2383.7°F84°F79°F84°F
May 2483.3°F84.4°F78.8°F84.4°F
May 2583.8°F84.4°F79.2°F84.4°F
May 2683.5°F84.6°F79.3°F84.6°F
May 2783.5°F84.9°F79.3°F84.9°F
May 2883.8°F85.5°F79.5°F85.5°F
May 2983.7°F85.6°F79.9°F85.6°F
May 3083.7°F86°F79.9°F86°F
May 3183.5°F85.6°F79.5°F85.6°F
Dry Tortugas water temp chart in May

Average water temperature in Dry Tortugas in May over a decade

20162017201820192020
80.1°F80.2°F78.3°F80.8°F80.6°F
20212022202320242025
80.6°F81°F81.7°F82.6°F81.3°F

Dry Tortugas sea state in May

Chart comparing the height of waves in Dry Tortugas in May 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 Dry Tortugas in May

Dry Tortugas 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Marquesas Keys81.3°F76.8°F89.4°F
Stock Island81.7°F77°F88.9°F
Fort Zachary Taylor81.3°F77°F86.9°F
Smathers Beach81.3°F77°F86.9°F
Big Coppitt Key81.9°F77°F89.4°F
Geiger Beach81.3°F77.2°F86.5°F
Sugarloaf Key81.7°F77.2°F88.5°F
Cudjoe Key81.7°F77.2°F88.2°F
Florida Keys81.5°F77.4°F88.2°F
Summerland Key81.5°F77.4°F88.2°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 Dry Tortugas 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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