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6 May 2021 Weather Alert: Impact Based Weather Warnings for Western Cape and Namaqua

Weather Alert: Impact Based Weather Warnings for Western Cape and Namaqua – 6 May 2021

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

Please note: The Impact Based Warning w.r.t Disruptive Rain has not been revised by SAWS meaning that the previous warning send yesterday is still valid.

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 Winds Yellow(L4) Cape Agulhas, Cape Agulhas, City of Cape town, Hessequa, Overstrand 06/05/21 –  01h00 06/05/21 –  23h00

Discussion: Strong to gale force south-easterly winds (50-70km/h) and gusts up to 80-90km/h is expected from Wednesday afternoon offshore between Table Bay and Stilbaai.

Impact: Strong winds will cause danger to navigation out at sea and result in small vessel at risk of taking on water and capsizing in totality.

Instruction: Small boats must stay away from the open sea and seek the shelter of a harbour, river estuary or protected bay Parked aircraft should be pointed into the direction of the wind and secured. Ensure that all temporary structures are well anchored.

 Hazard Alert Level Affected Municipalities Valid From (SAST) Valid To (SAST)
Damaging Waves Yellow(L1) Cape Agulhas, Cape Agulhas, City of Cape town, Hessequa, Overstrand, Table Bay 06/05/21 – 01h00 06/05/21 – 23h00

Discussion: Wave heights between 4.0-5.5m is expected between Table Bay and Plettenberg Bay throughout Thursday. Along with these higher wave heights, predominant southerly to south-easterly swells are also expected. Strong southerly winds (50-70km/h) is expected along the between Table Bay and Stillbaai on Thursday.

Impact: Small vessels will experience difficulty in navigation at sea as a result of rough and choppy seas (quick successive, steep waves) and may be at risk of taking on water and capsizing in a locality. Localized disruptions to beachfront activities.

Instruction: Be aware of large waves along the coastline. Small vessels are advised to seek shelter in harbours, bays or inlets. Refrain from any beachfront activity.