Beirut Sea Temperature
Looking to find out what the sea water temperature in Beirut is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Beirut and nearby locations.
Water temperature in Beirut right now
Below is the current sea temperature for Beirut, Lebanon on 10th July 2025.
28.8° C
(83.84° F)
- yesterday: 28.12° C (82.62° F)
- a week ago: 27.54° C (81.57° F)
This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.
The average sea temperature for Beirut on July 10th over the last 10 years is 27.6° C (81.69° F), with a low temperature of 26.12° C (79.02° F) and a high of 28.84° C (83.91° F).
Analysis and forecast for Beirut water temperatures
The water temperature in Beirut today is higher than the average temperature of 27.6° C (81.69° F) and the temperature on this day last year, 10th July 2024, was 28.82° C (83.88° F).
The chart and table below shows the change in water temperature in Beirut over the last 30 days:
The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.
Water temperature in Beirut by month
The chart below shows the monthly average water temperature in Beirut.
For more detailed information on how the sea temperature in Beirut changes for each month of the year, choose from the months below.
Beirut map and nearby water temperatures
Locations near Beirut
The highest temperature in Lebanon today is 28.12° C (82.62° F) in Sidon. The lowest is in El Heri, where the temperature of the water is 27.66° C (81.79° F).
Why measure sea surface temperatures (SST) in Beirut?
The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Beirut because they want to understand and learn how the ocean communicates with the atomosphere of Earth.
SST is one measure that provides information on the global climate, and it can be used to predict the weather in Beirut as well as atmospheric model simulations and to study marine ecosystems in the area.
Data source and citation
Raw data for the calculations made to find the sea surface temperature in Beirut comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.
The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.
If you'd like to use any of the information above in the format it is presented, please use the citation tool below.
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"Beirut Sea Temperature". SeaTemperatures.net. Accessed on July 10, 2025. http://seatemperatures.net/middle-east/lebanon/beirut/.
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"Beirut Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/middle-east/lebanon/beirut/. Accessed 10 July, 2025
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