All data are in degrees Fahrenheit

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Water temperature in Marsh Harbour

Detailed information about the current water temperature in Marsh Harbour. 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 Marsh Harbour now

80.2

°F

May 18, 00:08

Trend:

increasing

Yesterday:

80.1°F

Tomorrow:

80.4°F

Sunrise:

06:20

Sunset:

19:50

Day Length:

13 h. 30 min.

Marsh Harbour in May

Minimum:

74.4°F

Average:

75.9°F

Maximum:

77.1°F

Sea water temperature in Marsh Harbour today

As of now, in Marsh Harbour, the water temperature is 80.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.2°F on 2023, while the historical minimum was 78.2°F on 2018.

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 suggests a gradual increase. The average temperature is expected to rise up to 80.9°F, with minimum temperature starting at 80.4°F, while the maximum might reach 81.3°F.

Daily water temperature in Marsh Harbour

Date Current Year

actual* / forecast**

last year 10 years average
May 4 77.6°F 77.1°F 78.3°F
May 5 76.8°F 78.2°F 78.6°F
May 6 76.9°F 78.1°F 78.7°F
May 7 76.9°F 78.2°F 78.8°F
May 8 77.8°F 78.9°F 79.1°F
May 9 78.2°F 78.9°F 78.9°F
May 10 78.4°F 78.8°F 79.1°F
May 11 78.5°F 79.0°F 79.3°F
May 12 78.7°F 79.2°F 79.4°F
May 13 79.9°F 79.2°F 79.5°F
May 14 78.0°F 79.1°F 79.4°F
May 15 79.0°F 81.1°F 80.0°F
May 16 80.4°F 79.9°F 80.2°F
May 17 80.1°F 78.4°F 79.8°F
May 18 80.2°F 80.1°F 79.8°F
May 19 80.4°F 80.5°F 80.1°F
May 20 80.7°F 81.9°F 80.4°F
May 21 81.0°F 82.9°F 80.7°F
May 22 81.1°F 83.3°F 80.7°F
May 23 81.0°F 83.3°F 80.7°F
May 24 81.3°F 84.7°F 81.0°F
May 25 81.1°F 84.0°F 80.7°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 Marsh Harbour by month

In Marsh Harbour, the water temperature is comfortable for swimming all year round.
The warmest water in Marsh Harbour was recorded on August 9, 2023, reaching a 88.9°F. While the coldest temperature occurred on January 14, 2025, dipping to 69.4°F. The average readings by season are 75.5°F in Winter, 77.6°F in Spring, 84.8°F in Summer, and 82.5°F in Autumn.