NWS National Hurricane Center Miami FL
800 AM EDT Thu Oct 25 2018
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
1. A low pressure system centered about 900 miles east-northeast of the northern Leeward Islands is gradually becoming better defined and the associated shower and thunderstorm activity is showing signs of organization. This low is expected to move generally northward over the next couple of days into an area where environmental conditions are forecast to be conducive for further development, and a tropical or subtropical storm is likely to form by early this weekend. After that time, the system is forecast to turn westward well to the north or northeast of the Lesser Antilles through early next week.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...80 percent.
Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and available on the Web at https://ocean.weather.gov/shtml/NFDHSFAT1.shtml
Forecaster Zelinsky
