All data are in degrees Fahrenheit

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Water temperature in Sliema

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

81.2

°F

September 26, 11:32

Trend:

decreasing

Yesterday:

81.8°F

Tomorrow:

81.0°F

Sunrise:

06:53

Sunset:

18:54

Day Length:

12 h. 1 min.

Sliema in October

Minimum:

60.3°F

Average:

62.4°F

Maximum:

64.7°F

Sea water temperature in Sliema today

As of now, in Sliema, the water temperature is 81.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably 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 80.8°F on 2018, while the historical minimum was 76.7°F on 2017.

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 shows a gradual cooling trend. The average temperature is expected to be 80.4°F, the minimum temperature may reach 80.0°F, and the maximum might stay at 81.0°F.

Daily water temperature in Sliema

Date Current Year

actual* / forecast**

last year 10 years average
Sep 12 84.7°F 81.3°F 81.1°F
Sep 13 84.9°F 81.1°F 81.0°F
Sep 14 84.4°F 80.9°F 80.8°F
Sep 15 84.5°F 81.3°F 80.7°F
Sep 16 83.7°F 81.2°F 80.5°F
Sep 17 83.7°F 81.5°F 80.4°F
Sep 18 83.4°F 81.2°F 80.2°F
Sep 19 83.2°F 80.9°F 80.0°F
Sep 20 83.1°F 80.5°F 80.1°F
Sep 21 83.3°F 80.2°F 80.0°F
Sep 22 82.9°F 79.7°F 79.7°F
Sep 23 82.8°F 79.5°F 79.7°F
Sep 24 82.5°F 80.1°F 79.6°F
Sep 25 81.8°F 79.7°F 79.3°F
Sep 26 81.2°F 79.4°F 79.0°F
Sep 27 81.0°F 80.2°F 78.7°F
Sep 28 80.7°F 79.7°F 78.4°F
Sep 29 80.5°F 79.7°F 78.2°F
Sep 30 80.5°F 79.2°F 78.2°F
Oct 1 80.3°F 79.6°F 78.0°F
Oct 2 80.2°F 79.4°F 77.9°F
Oct 3 80.0°F 78.6°F 77.7°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 Sliema by month

In Sliema, the months June through October offer comfortable swimming conditions, which amounts to 141 swimming days.
The warmest water in Sliema was recorded on August 29, 2026, reaching a 86.6°F. While the coldest temperature occurred on April 6, 2022, dipping to 57.8°F. The average readings by season are 62.5°F in Winter, 62.5°F in Spring, 78.2°F in Summer, and 75.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Valletta 81.4°F 1mi
Tarxien 81.4°F 3mi
Avola 80.1°F 77mi

* current water temperature in this city

** straight line distance from Sliema