This data the coastal Port Charlotte 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.
Water temperature in Port Charlotte today is 84.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Port Charlotte was recorded in 2023 and was 87.8°F, and the coldest was recorded in 2012 at 83.3°F. Sea water temperature in Port Charlotte is expected to be constant 84.7°F in the next 10 days. September average water temperature in Port Charlotte is 85.5°F, the minimum temperature is 82.2°F, and the maximum is 89.2°F.
The swimming season in Port Charlotte lasts from January to December, twelve months per year! During those months, Port Charlotte water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Port Charlotte in winter reaches 68°F, in spring 75.7°F, in summer the average temperature rises to 86°F, and in autumn it is 80.4°F.
September 18, 2025 |
---|
today temp |
84.7°F |
September 17, 2025 |
---|
yesterday temp |
84.7°F |
The ocean salinity in Port Charlotte is 35.95‰, and the average salinity of the World Ocean is 35‰.
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 Port Charlotte. 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 Port Charlotte. Data in table shown for September 19, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 4" | 0' 7" | 0' 6" | 0' 7" |
0.1 m | 0.18 m | 0.15 m | 0.17 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 8" | 0' 6" | 0' 4" | 0' 4" |
0.2 m | 0.15 m | 0.1 m | 0.09 m |
Data in a table show Port Charlotte temperature today (September 19, 2025). For more information and forecast for a few days, go to the weather forecast Port Charlotte.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
83.1°F | 81.1°F | 78.6°F | 78.3°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
82.6°F | 84.9°F | 84.6°F | 82.8°F |
You may also be interested in other sections of our site for Port Charlotte: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Port Charlotte. 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 Port Charlotte 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
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 66.7°F | 57.2°F | 75°F | cold |
Ocean water temperature in Port Charlotte in January | ||||
February | 67.5°F | 60.4°F | 76.5°F | cold |
Ocean water temperature in Port Charlotte in February | ||||
March | 70.7°F | 60.1°F | 80.6°F | warm |
Ocean water temperature in Port Charlotte in March | ||||
April | 75.7°F | 65.8°F | 82.2°F | warm |
Ocean water temperature in Port Charlotte in April | ||||
May | 80.8°F | 75°F | 87.8°F | hot |
Ocean water temperature in Port Charlotte in May | ||||
June | 84.7°F | 77.4°F | 88.9°F | hot |
Ocean water temperature in Port Charlotte in June | ||||
July | 86.5°F | 83.3°F | 90.9°F | hot |
Ocean water temperature in Port Charlotte in July | ||||
August | 86.9°F | 83.8°F | 90.7°F | hot |
Ocean water temperature in Port Charlotte in August | ||||
September | 85.5°F | 82.2°F | 89.2°F | hot |
Ocean water temperature in Port Charlotte in September | ||||
October | 81.1°F | 73.2°F | 87.3°F | hot |
Ocean water temperature in Port Charlotte in October | ||||
November | 74.7°F | 67.6°F | 82.9°F | warm |
Ocean water temperature in Port Charlotte in November | ||||
December | 69.8°F | 61.2°F | 75°F | warm |
Ocean water temperature in Port Charlotte in December |