Hurricane Erin, the first hurricane of the 2025 Atlantic season, has been downgraded to Category 3 storm from a Category 5, after it underwent rapid changes. The hurricane was about 530 kilometers east-southeast of Grand Turk Island with a maximum sustained wind speed of 205 km At the start of the storm, Hurricane Erin was gauged as high as a catastrophic Category 5 storm with a wind speed of 240 km/h but later was downgraded to Category 4 with sustained wind speed of 215 km The earlier forecast had predicted Hurricane Erin to strengthen into this week. Here's what to know about the storm: