Eastern Pacific Tropical Weather Outlook

917
ABPZ20 KNHC 102317
TWOEP 
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Thu Sep 10 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical 
Storm Lowell, located well northwest of the Hawaiian Islands, and on 
Tropical Storm Norbert, located several hundred miles west- 
southwest of the southern tip of the Baja California Peninsula.
Well Southeast of the Hawaiian Islands:
Disorganized showers and thunderstorms located more than 500 miles 
to the southeast of the Hawaiian Islands are associated with a broad 
trough of low pressure. Some gradual development of this system is 
possible over the next few days into the weekend while it moves 
generally northward and then meanders to the southeast of the 
Hawaiian Islands.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...low...30 percent.
Central and Western East Pacific:
Showers and thunderstorms associated with a broad area of low 
pressure are located several hundred miles southwest of the 
southwestern coast of Mexico. Gradual development of this system is 
anticipated, and a tropical depression is likely to form by early 
next week while it moves generally west-northwestward to westward 
over the central and western portions of the East Pacific.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...high...80 percent.