This data the coastal Al Ahsa sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Al Ahsa today is 33.4°C. Based on our historical data over a period of ten years, the warmest water in this day in Al Ahsa was recorded in 2010 and was 34.7°C, and the coldest was recorded in 2009 at 31.7°C. Sea water temperature in Al Ahsa is expected to drop to 32.9°C in the next 10 days. September average water temperature in Al Ahsa is 32.9°C, the minimum temperature is 30°C, and the maximum is 35.2°C.
The swimming season in Al Ahsa lasts from March to December. During those months, Al Ahsa water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Al Ahsa in winter reaches 19.1°C, in spring 24.1°C, in summer the average temperature rises to 32.3°C, and in autumn it is 29.7°C.
5 September 2025 |
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today temp |
33.4°C |
4 September 2025 |
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yesterday temp |
33.7°C |
The sea salinity in Al Ahsa is 34.11‰, and the average salinity of the World Ocean is 35‰.
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Al Ahsa. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Al Ahsa. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 7" | 0' 6" | 0' 10" | 1' 8" |
0.18 m | 0.15 m | 0.25 m | 0.5 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 11" | 1' 5" | 0' 10" | 0' 6" |
0.58 m | 0.43 m | 0.26 m | 0.14 m |
Data in a table show Al Ahsa temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Al Ahsa.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
31.8°C | 31.5°C | 31.6°C | 34.6°C |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
36.1°C | 35.2°C | 33°C | 32.3°C |
You may also be interested in other sections of our site for Al Ahsa: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Al Ahsa. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Al Ahsa on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 18.2°C | 16.3°C | 21°C | cold |
Sea water temperature in Al Ahsa in January | ||||
February | 18°C | 15.9°C | 20.7°C | cold |
Sea water temperature in Al Ahsa in February | ||||
March | 20.3°C | 16.7°C | 25.1°C | warm |
Sea water temperature in Al Ahsa in March | ||||
April | 23.9°C | 19.7°C | 27.8°C | warm |
Sea water temperature in Al Ahsa in April | ||||
May | 28°C | 24.3°C | 32.1°C | hot |
Sea water temperature in Al Ahsa in May | ||||
June | 30.7°C | 28°C | 34.4°C | hot |
Sea water temperature in Al Ahsa in June | ||||
July | 32.5°C | 29.3°C | 35.4°C | hot |
Sea water temperature in Al Ahsa in July | ||||
August | 33.7°C | 31°C | 35.9°C | hot |
Sea water temperature in Al Ahsa in August | ||||
September | 32.9°C | 30°C | 35.2°C | hot |
Sea water temperature in Al Ahsa in September | ||||
October | 30.2°C | 26.6°C | 33.1°C | hot |
Sea water temperature in Al Ahsa in October | ||||
November | 25.9°C | 21.4°C | 29.5°C | hot |
Sea water temperature in Al Ahsa in November | ||||
December | 21°C | 17.3°C | 24.6°C | warm |
Sea water temperature in Al Ahsa in December |