<p><br /> Up to 30 regions in New South Wales have been declared natural disaster areas as eastern Australia continues to be ravaged by floods.<br /> </p><p><br /> At least four people have died and more than 300 people have been isolated by the flood waters since last week.<br /> </p><p><br /> Local media say conditions are expected to worsen in the region over the weekend.<br /> </p><p><br /> A state emergency services spokesman said: "The conditions are easing right now and over the weekend, but the flooding will potentially increase next week,<br /> </p><p><br /> "We are now monitoring very closely the Macquarie River, the Namoi river and the Murrumbidgee. If their levels rise, there's a potential to require evacuation."<br /> </p><p><br /> It has been estimated that the floods have cost 500 million Aussie dollars in crop losses in New South Wales alone.<br /> </p><p><br /> Other affected areas include Victoria to the south and the northeastern state of Queensland.<br /> </p><p><br /> In Victoria, a major flood warning has been issued for two river regions, while Rockhampton, on the north Queensland coast, was bracing for possible floods early next week.<br /> </p>
