Eastern Pacific Tropical Weather Outlook

661
ABPZ20 KNHC 200529
TWOEP 
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Wed Aug 19 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Hurricane 
Lala, located a couple hundred miles southeast of Lisianski Island.
Central Pacific (EP90):
Showers and thunderstorms are becoming better organized in 
association with a broad area of low pressure located well to the 
east-southeast of the Hawaiian Islands.  Environmental conditions 
appear favorable for further development of this system, and a 
tropical depression is expected to form tonight or on Thursday while 
the system moves westward to west-northwestward at 10 to 15 mph 
across the Central Pacific.  Interests in the Hawaiian Islands 
should closely monitor the progress of this system.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 7 days...high...90 percent.
South-Southwest of Mexico:
A tropical wave located a few hundred miles south of the coast of 
southern Mexico is producing disorganized showers and thunderstorms. 
Environmental conditions appear favorable for development, and a 
tropical depression is likely to form this weekend while the system 
moves generally west-northwestward, remaining well offshore of 
Mexico.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...high...80 percent.
Central East Pacific:
A broad area of low pressure associated with a tropical wave is 
producing disorganized showers and thunderstorms several hundred 
miles south of the southern tip of the Baja California Peninsula.  
Environmental conditions are forecast to be marginally favorable for 
gradual development over the weekend as the system moves westward or 
west-northwestward at 5 to 10 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...low...20 percent.