Bad weather on the way, bureau warns

There could be even more bad news for those still reeling after a massive storm struck the Illawarra on the weekend.

Thunderstorms have been predicted for today and tomorrow, while strong winds could also hit the region later in the week.

Although Kiama, Jamberoo and Albion Park were worst affected by Sunday morning's intense weather event, evidence of storm activity can be seen in waters as far north as Austinmer and Thirroul.

Muddy water that washed into the ocean after the storm has left wide brown slicks off some sections of the coastline.

Poor water quality resulting from the storm activity has also forced the closure of Wollongong's Continental Pool, a Wollongong Council spokesman said.

Bureau of Meteorology forecaster Francors Geffroy said the Illawarra could expect a soggy end to the week.

"We do expect showers for the next few days and the possibility of storms as well, that seems to be increasing into Thursday [when] we're going more into rain conditions - rain and possible thunderstorms," he said.

Although unlikely to reach the same intensity seen in the Illawarra's south on Sunday morning, strong winds are also expected to buffet the region.

"There's a southerly change moving through on Thursday so we're going to expect some stronger winds coming through [and] there's possibly going to be a strong wind warning," he said.

"Then things start easing off what looks like Friday, although there are possible showers expected for the entire week into the weekend."

For help in floods and storms, call the State Emergency Service on 132 500.

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