All data are in degrees Fahrenheit

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Water temperature in Saint Augustine

Detailed information about the current water temperature in Saint Augustine. 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 Saint Augustine now

71.9

°F

April 18, 01:05

Trend:

stable

Yesterday:

71.9°F

Tomorrow:

72.4°F

Sunrise:

06:56

Sunset:

19:54

Day Length:

12 h. 58 min.

Saint Augustine in April

Minimum:

59.0°F

Average:

63.6°F

Maximum:

68.8°F

Sea water temperature in Saint Augustine today

As of now, in Saint Augustine, the water temperature is 71.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.5°F higher 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 rise a bit.

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 maximum temperature for this date. The maximum temperature recorded for this date was 71.7°F on 2022, while the historical minimum was 65.6°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.3°F, with minimum temperature starting at 72.4°F, while the maximum might reach 74.0°F.

Daily water temperature in Saint Augustine

Date Current Year

actual* / forecast**

last year 10 years average
Apr 4 71.5°F 67.7°F 67.8°F
Apr 5 71.6°F 67.1°F 67.8°F
Apr 6 72.4°F 66.6°F 68.1°F
Apr 7 73.0°F 66.5°F 68.3°F
Apr 8 73.4°F 66.1°F 69.0°F
Apr 9 73.2°F 66.5°F 69.3°F
Apr 10 72.4°F 66.3°F 69.0°F
Apr 11 73.2°F 67.7°F 69.0°F
Apr 12 72.6°F 67.7°F 68.9°F
Apr 13 72.6°F 67.7°F 69.6°F
Apr 14 72.5°F 67.4°F 69.7°F
Apr 15 71.1°F 67.5°F 69.7°F
Apr 16 71.8°F 68.5°F 69.7°F
Apr 17 71.9°F 69.0°F 69.4°F
Apr 18 71.9°F 69.6°F 69.4°F
Apr 19 72.4°F 70.9°F 69.9°F
Apr 20 72.8°F 71.3°F 70.3°F
Apr 21 73.2°F 72.7°F 70.7°F
Apr 22 73.5°F 72.7°F 70.9°F
Apr 23 73.7°F 72.4°F 71.2°F
Apr 24 74.0°F 71.7°F 71.5°F
Apr 25 73.9°F 71.7°F 71.3°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 Saint Augustine by month

In Saint Augustine, the months May through October offer comfortable swimming conditions, which amounts to 191 swimming days.
The warmest water in Saint Augustine was recorded on July 24, 2016, reaching a 86.2°F. While the coldest temperature occurred on January 19, 2018, dipping to 50.0°F. The average readings by season are 62.8°F in Winter, 70.0°F in Spring, 81.9°F in Summer, and 77.6°F in Autumn.