"Starting at 05:45 UTC on 06 September 2025, network traffic traversing through the Middle East may experience increased latency due to undersea fiber cuts in the Red Sea."
"expect higher latency on some traffic that previously traversed through the Middle East."
"There is currently no estimated time-to-resolution available from the undersea cable operators."
"Telegeography's wonderful submarine cable map lists Jeddah as hosting landing stations for both cables, suggesting the problem is terrestrial rather than the result of damage on the sea floor."
Undersea fiber cuts in the Red Sea near Jeddah are causing increased network latency for traffic traversing the Middle East. Microsoft’s Azure status update said the issue began at 05:45 UTC on 06 September 2025 and that traffic has been routed over alternate paths. Microsoft warned customers to expect higher latency on some traffic that previously traversed the Middle East. Linode reported network congestion and latency from multiple undersea cable faults and said there is no estimated time-to-resolution from cable operators. NetBlocks identified the SMW4 and IMEWE cable systems as the source, and Telegeography’s map indicates Jeddah hosts landing stations for both cables, implying a terrestrial fault.
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