Multiple Australian outlets report that forecasters are monitoring signs that an El Niño weather pattern may be developing as ocean temperatures rise. The coverage says recent changes include a spike in sea-surface temperatures, which could help trigger the El Niño climate driver. The reporting indicates that meteorologists are watching for further indicators in coming months, particularly with an expected timeframe extending toward winter. While the articles frame the situation as closely monitored rather than confirmed, they emphasize that the temperature shifts are significant enough to warrant attention from agencies and observers tracking the climate system. The articles do not describe specific impacts on rainfall or temperatures, but they underline the relevance of El Niño for seasonal weather outlooks in Australia. Overall, the sources present the same core message: rising ocean temperatures are being tracked for signs of El Niño, and forecasts will likely be updated as additional measurements become available.