The update said it was blowing maximum sustained winds of 75 mph, up from 65 mph in the advisory at 08:00 EDT, with hurricane force winds extending up to 25 miles outward from the centre and tropical storm force...
Grace strengthens into a hurricane just west of Grand Cayman
![Storm grace track 11 am edt 18 aug for body.png](https://assets.euromoneydigital.com/dims4/default/d9a12bc/2147483647/strip/true/crop/839x688+0+0/resize/840x689!/quality/90/?url=http%3A%2F%2Feuromoney-brightspot.s3.amazonaws.com%2F8a%2F15%2Fa990b8b448769cc6148bfcf0d71c%2Fstorm-grace-track-11-am-edt-18-aug-for-body.png)