Tropical Weather Outlook and Summary
Issued by NWS
Issued by NWS
599 ACPN50 PHFO 181743 TWOCP Tropical Weather Outlook NWS Central Pacific Hurricane Center Honolulu HI Issued by NWS National Hurricane Center Miami FL 800 AM HST Fri Sep 18 2026 For the central North Pacific...between 140W and 180W: Western East Pacific (EP98): Showers and thunderstorms associated with an area of low pressure located almost 1000 miles south-southwest of the southern tip of the Baja California Peninsula have become a little better organized since yesterday, but the system`s circulation remains broad and elongated. Environmental conditions appear conducive for additional development of this system, and a tropical depression is likely to form this weekend as it moves westward at 10 to 15 mph across the western East Pacific. * Formation chance through 48 hours...high...70 percent. * Formation chance through 7 days...high...80 percent. Well East-Southeast of the Hawaiian Islands (Former TD 15-E): Showers and thunderstorms associated with the remnants of Tropical Depression Fifteen-E, located more than 1000 miles east-southeast of the Hawaiian Islands, remain disorganized. Environmental conditions appear conducive for some development of this system next week as it moves westward to west-southwestward, and a tropical depression could form well to the south or southeast of the Hawaiian Islands by the middle to latter part of next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 7 days...medium...40 percent. $$ Forecaster Berg NNNN