Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Thu May 20 2021

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

1. A non-tropical low pressure system is located about 800 miles east 
of Bermuda.  The low is expected to develop gale-force winds later 
today while it moves generally northward. The low is then forecast 
to move westward and southwestward over warmer waters tonight and 
Friday, and it will likely become a subtropical cyclone near and to 
the northeast of Bermuda on Friday. The system is expected to move 
toward the north and northeast into a more hostile environment by 
late Sunday into Monday. For more information on this developing low 
pressure area, please see High Seas forecasts issued by the NOAA 
Ocean Prediction Center and forecast products issued by the Bermuda 
Weather Service.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...90 percent.

High Seas Forecasts for this system can be found under AWIPS header 
NFDHSFAT1, WMO header FZNT01 KWBC, and online at 
ocean.weather.gov/shtml/NFDHSFAT1.php