An announcement is made when winds of 36 to 73 mph are possible within 48 hours.
Sustained winds of 39 to 73 mph are expected within 36 hours.
An announcement is made when winds of 74 mph or higher are possible. The Hurricane Watch is issued 48 hours in advance of anticipated onset of tropical storm-force winds.
An announcement that sustained winds of 74 mph or higher are expected. The warning is issued 36 hours in advance of anticipated onset of tropical storm-force winds. Dangerously high water and waves may continue even though winds may be less than hurricane force.