The Cape Town Weather Office has issued the following warnings:
Issued: 28/07/2019 @ 12:44
ALERT LEVEL: Level 4 Yellow Warning for wind
Valid from: (SAST) 30/07/2019 – 20:00
Valid to: (SAST) 30/07/2019 – 00:00
Affected DM / LM / Metro / area
City of Cape Town, Drakenstein (LM), Stellenbosch (LM), Breede Valley (LM), Langeberg
(LM),Laingsburg (LM), Beaufort West (LM), Theewaterskloof (LM), Overstrand (LM),
Swellendam (LM), Cape Agulhas (LM) and Hessequa (LM).
DESCRIPTION: There is a Low likelihood of Significant impacts to occur over
over the Cape Metropole, Cape Winelands, Overberg and Central Karoo from Monday
afternoon from early Tuesday morning through to the evening due to WIND.
A cold front affecting the Western Cape will result in strong to gale force and
gusty north-westerly winds over the interior of the Western Cape throughout
Tuesday. Wind speeds are expected to reach 60-70km/h with gusts up
to 80-90km/h. These north-westerly winds will act as a crosswind to the N1, N2
and N7 highways and associated major railways. Winds moderate by Tuesday
Strong to Gale force and gusty crosswinds along the N1, N2 and N7 highways
may result in these major routes as well as corresponding rail transport being
affected. Dangerous driving conditions may lead to road accidents along this
route. High-sided vehicles are at risk of being toppled by intense wind gusts
along the route.These strong winds along with dry and warm conditions may
cause run-away veldfires over the Central Karoo and Eden District on Monday.
Damage to formal and informal settlements and possible visibility reduction due
to dust storms.
Alert level: Level 4 Yellow Warning for Wind (Coast)
Valid from: (SAST) 29/07/2019 – 20:00
Valid to: (SAST) 30/07/2019 – 17:00
Affected coastal area (up to 15nm)
Coastal areas between Cape Agulhas and Plettenberg Bay.
DESCRIPTION: There is a Low likelihood of Significant impacts to occur
along the coast between Cape Agulhas and Plettenberg Bay due to WIND.
A cold front is expected to move over the south-western parts of the Western
Cape Monday night through Tuesday, with the potential to cause gale force
north-westerly winds (35-40kt) Monday night between Cape Columbine and
Capre Agulhas spreading to the offshore areas of the south coast (Plettenberg
Bay) during Tuesday afternoon while turning westerly.
Weather conditions will cause difficulty in navigation out at seas due to strong
winds, small vessels may be at risk of taking on water and capsizing. Some
disruption to operations for small harbours and ports are possible.
Alert level: Level 2 Yellow Warning for Waves
Valid from: (SAST) 30/07/2019 – 00:00
Valid to: (SAST) 31/07/2019 – 08:00
Affected coastal area (up to 15nm)
Coastal areas between Lamberts Bay and Plettenberg Bay.
DESCRIPTION: There is a High likelihood of Minor impacts to occur
along the Western Cape west and south-west coast early on Tuesday morning,
spreading to Plettenberg Bay during the afternoon due to high WAVES.
Intense cold front passing over the Cape late Monday night and through to
Tuesday, generating high wave conditions along the west and south-west coast
early Tuesday morning. Waves heights of 6-7m are expected with a westerly
component. These waves will spread along the south coast during the afternoon however
remaining further off-shore. Swell direction swings to south-westerly late
Difficulty in navigation along the entire coastline is likely and may lead to small
vessels taking on water and/or capsizing. This will be enhanced with the strong
winds that are also expected. Localised damage to infrastructure iis possible
and mainly for the west and south-west coast. Localised disruption to
beachfront activities are also likely.