Impact Based Weather Warnings for Western Cape and Namaqua

Please find included the Updated Impact Based Warning for the Western Cape and Namaqua Region of Northern Cape

Legal notice:
“This warning from SA Weather Service must be communicated as received and may not be altered under any circumstance.
It must be forwarded or communicated in its entirety and no portion hereof may be replicated or copied and distributed.”

 Hazard Alert Level Affected Municipalities Valid From (SAST) Valid To (SAST)
Damaging Waves Yellow(L2) Bitou, Cape Agulhas, Cape Agulhas, City of Cape town, George, Hessequa, Knysna, Mossel Bay, Overstrand, Saldanha Bay, Swartland, Table Bay 20/05/21 – 00h00 21/05/21 – 00h00

Discussion: A series of cold frontal systems passing over the Western Cape Province causes significant wave heights of 4.0 to 5.0m between Cape Columbine and Cape Agulhas on Thursday afternoon, spreading to Plettenberg Bay by the evening. The wave heights are expected to reach 5.5 to 6.0m between Cape Point and Cape Agulhas on Thursday night, spreading to Plettenberg Bay on Friday morning, subsiding by the evening.

Impact: Difficulty in navigation at sea can be expected with strong winds and large waves where small vessels might be at risk of taking on water and capsizing in a locality. Beachfront activities will be disrupted and anglers and beach-goers on low-level rocks are at risk of being caught off guard from infrequent large waves and swept off the rocks.

Instruction: Be aware of large unpredictable waves along the coast. Small vessels are advised to seek shelter in harbours, bays or inlets.