Atlantic Tropical Weather Outlook
917 ABNT20 KNHC 121356 TWOAT Special Tropical Weather Outlook NWS National Hurricane Center Miami FL 1000 AM EDT Wed Aug 12 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: Updated for the Central Atlantic Sub-Tropical System. Central Tropical Atlantic (AL92): An area of showers and thunderstorms associated with a tropical wave is located about 900 miles west-southwest of the Cabo Verde Islands. Environmental conditions are forecast to be conducive for development during the next couple of days, and a tropical depression will likely form while the system moves westward to west-northwestward across the central tropical Atlantic. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...80 percent. Central Subtropical Atlantic (AL93): Recent satellite wind data indicate that the circulation associated with the low pressure area located about 1050 miles east-northeast of Bermuda has become better defined and the system is producing tropical-storm-force winds to the southeast of the center. The system is likely to become a short-lived tropical storm while it moves eastward to east-northeastward at around 20 mph across the central subtropical Atlantic. Addition information on this system is found in High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...80 percent. Eastern Tropical Atlantic: A tropical wave just offshore of the coast of west Africa is producing disorganized showers and thunderstorms. Environmental conditions are forecast to be generally conducive for some development of this system during the next several days while it moves westward or west-northwestward across the eastern and central tropical Atlantic. * Formation chance through 48 hours...low...20 percent. * Formation chance through 7 days...low...30 percent. && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php