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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Thu May 20 2021

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

1. A non-tropical low pressure system located about 650 miles east- 
northeast of Bermuda is now moving northward, and recent satellite 
wind data indicate that the system has gale-force winds.  The low 
is expected to turn westward and west-southwestward over warmer 
waters tonight and Friday, and it will likely become a subtropical 
cyclone near and to the northeast of Bermuda on Friday. After that 
time, 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, including a tropical storm watch, issued by the 
Bermuda Weather Service.
* Formation chance through 48 hours...high...80 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

Forecaster Beven