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21 January 2022 Impact Based Weather Warnings for Western Cape and Namaqua: Yellow level 2: Damaging Waves

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

Hazard Alert Level Affected Municipalities Valid From (SAST) Valid To (SAST)
Damaging Waves Yellow(L2)
(High likelihood of Minor Impacts)
M_Bergrivier, M_Bitou, M_Cape Agulhas, M_Cape Agulhas, M_Cederberg, M_City of Cape town, M_George, M_Hessequa, M_Kamiesberg, M_Knysna, M_Matzikama, M_Mossel Bay, M_Nama Khoi, M_Overstrand, M_Richtersveld, M_Saldanha Bay, M_Swartland, M_Table Bay 21/01/22 06h00 22/01/22 11h00

Discussion: Wave heights of 4-6m with wave periods of at least 18s and strong south-easterly winds with wind speed of 40-60km/h are expected between Saldanha Bay and Cape Agulhas on Friday morning (21/01/2022), spreading to Alexander Bay by the afternoon and to Plettenberg Bay in the evening. These conditions together with spring tide will result in higher wave heights.

 Impact: Difficulty in navigation for small vessels and personal water craft which may lead to vessels being at risk of taking on water and capsizing. Localised disruptions of small harbours or ports is possible for short period. Localised damage to coastal infrastructure is possible. Localised disruption to beachfront activities. Public at risk of being swept of coastal rocks due to infrequent large waves.

Instruction: Small vessels are advised to seek shelter in harbours, bays or inlets.

Report any weather related incidents to the Garden Route Disaster Management Centre at: 044 805 5071.

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.”