Jacksonville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Jacksonville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Jacksonville today is 21.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 22 | 23.5°C | 17.5°C | |
| OCT 23 | 22.8°C | 17.5°C | |
| OCT 24 | 22.8°C | 17.5°C | |
| OCT 25 | 22.2°C | 17.5°C | |
| OCT 26 | 21.9°C | 17.5°C | |
| OCT 27 | 21.3°C | 17.5°C | |
| OCT 28 | 21.8°C | 17.5°C | |
| OCT 29 | 20.9°C | 17.5°C | |
| OCT 30 | 17.5°C | 21.0°C | |
| OCT 31 | 17.5°C | 20.5°C | |
| NOV 1 | 12.6°C | 20.1°C | |
| NOV 2 | 12.6°C | 19.6°C | |
| NOV 3 | 12.6°C | 19.2°C | |
| NOV 4 | 12.6°C | 18.8°C | |
| NOV 5 | 12.6°C | 18.3°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 3°C | 11°C | 19°C |
| February | 3°C | 12°C | 20°C |
| March | 3°C | 12°C | 21°C |
| April | 5°C | 16°C | 26°C |
| May | 8°C | 19°C | 29°C |
| June | 14°C | 22°C | 29°C |
| July | 17°C | 24°C | 31°C |
| August | 17°C | 24°C | 31°C |
| September | 11°C | 20°C | 30°C |
| October | 8°C | 18°C | 27°C |
| November | 3°C | 13°C | 23°C |
| December | 10°C | 15°C | 20°C |
Jacksonville: Weather Forecast
October 30
October 31
November 1
November 2
November 3
Location & Local Information
Jacksonville, Florida, is home to the St. Johns River, one of the longest rivers in the United States, which provides plenty of opportunities for water-based activities. The water temperature in the river typically ranges from 60°F (16°C) during the cooler months, to around 80°F (27°C) in the summer. These temperatures are generally comfortable for swimming, though the cooler winter months can make swimming in the river less appealing for some.
While the St. Johns River itself is more commonly used for boating, fishing, and kayaking, there are a few designated swimming areas nearby. The river's slower current makes it an ideal spot for activities like canoeing and paddleboarding. However, caution is advised due to the potential presence of alligators, which are common in Florida waters. Despite this, local residents and tourists alike enjoy cooling off in the river during the warmer months, especially along its quieter stretches.
For a more controlled swimming experience, Jacksonville is also home to a number of public beaches along the Atlantic coast. These beaches, including Jacksonville Beach, offer safer options for swimming and water sports, with water temperatures typically ranging between 65°F (18°C) in the winter and 80-85°F (27-29°C) in the summer. Whether in the river or on the coast, Jacksonville provides ample opportunities for water activities throughout the year.