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Saint Lucia > Castries

Water temperature in Castries

Detailed information about the current water temperature in Castries. 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 Castries now

83.0

°F

August 1, 01:39

Trend:

stable

Yesterday:

82.9°F

Tomorrow:

82.9°F

Sunrise:

05:48

Sunset:

18:32

Day Length:

12 h. 44 min.

Castries in August

Minimum:

80.3°F

Average:

81.3°F

Maximum:

82.3°F

Sea water temperature in Castries today

As of now, in Castries, the water temperature is 83.0°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 0.7°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 slightly varies from the average of the past two weeks. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 84.7°F on 2023, while the historical minimum was 82.5°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Castries

Date Current Year

actual* / forecast**

 last year 10 years average
Jul 18 82.8°F 83.4°F 83.0°F
Jul 19 82.6°F 83.4°F 83.2°F
Jul 20 82.5°F 83.4°F 83.2°F
Jul 21 82.8°F 83.3°F 83.1°F
Jul 22 83.0°F 83.5°F 83.1°F
Jul 23 82.7°F 83.2°F 83.2°F
Jul 24 82.9°F 83.3°F 83.2°F
Jul 25 82.8°F 83.0°F 83.2°F
Jul 26 83.1°F 82.9°F 83.2°F
Jul 27 83.3°F 82.9°F 83.3°F
Jul 28 83.4°F 83.4°F 83.4°F
Jul 29 83.5°F 83.5°F 83.4°F
Jul 30 83.5°F 84.0°F 83.6°F
Jul 31 82.9°F 83.9°F 83.6°F
Aug 1 83.0°F 84.1°F 83.7°F
Aug 2 82.9°F 84.1°F 83.6°F
Aug 3 83.0°F 84.2°F 83.7°F
Aug 4 83.1°F 83.8°F 83.8°F
Aug 5 83.1°F 84.0°F 83.8°F
Aug 6 83.1°F 84.0°F 83.8°F
Aug 7 83.3°F 84.3°F 84.0°F
Aug 8 83.3°F 84.3°F 84.0°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 Castries by month

January

February

March

April

May

June

July

August

September

October

November

December

In Castries, the water temperature is comfortable for swimming all year round.
The warmest water in Castries was recorded on October 10, 2024, reaching a 87.0°F. While the coldest temperature occurred on March 3, 2019, dipping to 79.0°F. The average readings by season are 81.3°F in Winter, 81.2°F in Spring, 83.2°F in Summer, and 84.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Praslin 83.2°F 11mi
Vieux Fort 83.2°F 20mi
Sainte-Luce 83.2°F 33mi
Les Trois-Îlets 83.4°F 38mi
Fort-de-France 83.6°F 42mi
Kingstown 82.7°F 60mi
Port Elizabeth 82.8°F 70mi

* current water temperature in this city

** straight line distance from Castries