All data are in degrees Fahrenheit

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Water temperature in Cape Coral

Detailed information about the current water temperature in Cape Coral. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Cape Coral now

84.6

°F

September 18, 13:32

Trend:

decreasing

Yesterday:

84.6°F

Tomorrow:

84.5°F

Sunrise:

07:15

Sunset:

19:29

Day Length:

12 h. 14 min.

Cape Coral in September

Minimum:

65.4°F

Average:

68.8°F

Maximum:

71.0°F

Sea water temperature in Cape Coral today

As of now, in Cape Coral, the water temperature is 84.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 88.0°F on 2024, while the historical minimum was 84.8°F on 2015.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 84.1°F, the minimum temperature may reach 83.7°F, and the maximum might stay at 84.5°F.

Daily water temperature in Cape Coral

Date Current Year

actual* / forecast**

last year 10 years average
Sep 4 86.6°F 85.4°F 85.8°F
Sep 5 86.0°F 85.0°F 85.6°F
Sep 6 85.6°F 84.9°F 85.5°F
Sep 7 85.4°F 85.2°F 85.6°F
Sep 8 85.1°F 86.1°F 85.7°F
Sep 9 85.2°F 86.3°F 85.6°F
Sep 10 85.3°F 86.4°F 85.7°F
Sep 11 85.3°F 87.3°F 85.8°F
Sep 12 85.5°F 87.1°F 85.7°F
Sep 13 85.6°F 87.0°F 85.8°F
Sep 14 85.2°F 88.0°F 85.8°F
Sep 15 84.6°F 87.8°F 85.7°F
Sep 16 84.6°F 87.8°F 85.8°F
Sep 17 84.6°F 87.5°F 85.7°F
Sep 18 84.6°F 88.0°F 86.0°F
Sep 19 84.5°F 87.3°F 86.0°F
Sep 20 84.5°F 86.7°F 85.9°F
Sep 21 84.3°F 86.2°F 85.7°F
Sep 22 84.2°F 87.1°F 85.7°F
Sep 23 83.7°F 86.6°F 85.1°F
Sep 24 83.8°F 86.7°F 85.2°F
Sep 25 83.7°F 86.5°F 85.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Cape Coral by month

In Cape Coral, the months April through November offer comfortable swimming conditions, which amounts to 252 swimming days.
The warmest water in Cape Coral was recorded on August 4, 2025, reaching a 90.4°F. While the coldest temperature occurred on January 30, 2025, dipping to 59.6°F. The average readings by season are 69.4°F in Winter, 77.4°F in Spring, 86.2°F in Summer, and 80.9°F in Autumn.