Islamorada water temp

This data the coastal Islamorada ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Islamorada

Water temperature in Islamorada today is 87.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Islamorada was recorded in 2015 and was 88°F, and the coldest was recorded in 2008 at 83.8°F. Sea water temperature in Islamorada is expected to drop to 85.6°F in the next 10 days. September average water temperature in Islamorada is 85.6°F, the minimum temperature is 82°F, and the maximum is 88.7°F.

The swimming season in Islamorada lasts from January to December, twelve months per year! During those months, Islamorada water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Islamorada in winter reaches 76.1°F, in spring 78.8°F, in summer the average temperature rises to 85.6°F, and in autumn it is 82.8°F.

Islamorada water temperature now

The ocean salinity in Islamorada is 36.44‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Islamorada for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Islamorada. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Islamorada. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Islamorada

Islamorada weather forecast

Current temperature and weather

Data in a table show Islamorada temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Islamorada.

0-3 h	3-6 h	6-9 h	9-12 h
81.1°F	81.3°F	81.9°F	81.1°F

12-15 h	15-18 h	18-21 h	21-24 h
81.9°F	81.7°F	82°F	81°F

Islamorada water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Islamorada. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Islamorada on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Islamorada

The nearest beaches and cities from Islamorada with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Plantation	87.3°F	82.4°F		1' 7"
Tavernier	87.4°F	82.4°F		1' 8"
Fiesta Key	87.8°F	84.2°F		1' 9"
Long Key	88°F	80.6°F		2' 0"
Rodriguez Key	87.6°F	82.4°F		1' 9"
Layton	87.8°F	80.6°F		1' 8"
Molasses Reef	87.6°F	82.4°F		1' 10"
Pennekamp	87.4°F	82.4°F		1' 9"
Duck Key	88°F	80.6°F		2' 1"
Blackwater Sound	87.1°F	82.4°F		1' 3"

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Village of Islands, Islas Morada, Islamorada Key

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Our report for Islamorada 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.