Colder weather expected next week
According to the South African Weather Service (SAWS), the two cold frontal systems are expected to develop from 19 until May 23 with a high likelihood of disrupting the current mild to warm weather conditions that has been prevailing for some days.
'On Monday, May 19, a cold front will make landfall over the south-western parts of the country, resulting in wet, cold, and windy conditions over the western parts of the Western Cape. While this system will not be intense, it serves as a precursor to the more significant weather system that will follow the next day.
'On Tuesday, May 20, the above-mentioned weather conditions will spread to the east, affecting the Namakwa District of the Northern Cape and the Eastern Cape,' the weather service said.
This continued impact of the weather conditions will be due to a well-developed cold front, resulting in isolated to scattered showers and rain.
Rainfall accumulations are expected to range between 15 to 25 mm, with a possibility of reaching 30 to 50 mm in mountainous areas.
'The persistent and continuous rainy conditions may lead to localised floods, particularly in areas with poor drainage and low-lying regions. Strong and gusty westerly to north-westerly winds, with wind speeds averaging between 55 and 65 km/h, are expected across the Western Cape, Northern Cape, and the Eastern Cape more especially over the interior.
'Possible impacts might result in outdoor activities being disrupted with a high likelihood of localised damage to infrastructure, uprooted trees, increased traveling time on the roads, problems for high sided vehicles, especially along the national routes through the provinces as well as disruptions to power lines,' SAWS said.
For maritime operators and coastal residents, westerly to north-westerly gale-force winds (65-75 km/h) are expected along the coastline, particularly from Alexander Bay through to Plettenberg Bay.
These high winds will result in very rough seas on Tuesday and Wednesday, leading to sea conditions that could impact small vessels and coastal activities.
There is also a possibility of abnormal waves along the south-eastern coast, with wave heights of 5 metres to 6.5 metres, occasionally peaking at 7 metres, with a 10 seconds wave period on Wednesday.
'In addition, freezing levels are expected to drop considerably, creating conditions favourable for some snowfall over high-lying areas and a general drop in temperatures. These very cold conditions are expected to spread to the central and the eastern parts of the country from Tuesday late evening, persisting until Friday morning, 23 May 2025,' SAWS said.
The weather service will continue to monitor any further developments relating to the weather systems and will issue subsequent updates as required.
Updates may be followed on X (@SAWeatherServic), Facebook (South African Weather Service) or other SAWS-supported social media platforms. – SAnews.gov.za
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