Atlantic Tropical Weather Outlook
542 ABNT20 KNHC 181726 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Fri Sep 18 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: Eastern Subtropical Atlantic (AL99): Showers and thunderstorms have changed little in organization since this morning in association with an area of low pressure located several hundred miles southwest of the Azores. However, just a small increase in organization is likely to result in the formation of a tropical depression as soon as later today. The system is expected to move slowly over the next couple of days remaining southwest of the Azores, followed by a turn to the southwest by early next week, when environmental conditions are forecast to become less favorable for additional development. * Formation chance through 48 hours...high...70 percent. * Formation chance through 7 days...high...70 percent.