Eastern Pacific Tropical Weather Outlook

419
ABPZ20 KNHC 211144
TWOEP 
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Wed Oct 21 2026
For the eastern and central North Pacific east of 180 longitude:
South of Southern Mexico (EP94):
Satellite imagery indicates that a low-pressure system located a few 
hundred miles south-southwest of the Gulf of Tehuantepec is 
producing a large area of showers and thunderstorms. This activity 
continues to become better organized, and if current trends 
persist, a tropical depression is expected to form later today. The 
system is expected to move westward to west-northwestward at around 
10 mph during the next few days, well offshore the coast of 
southern Mexico. For additional information, including Gale 
Warnings, see the High Seas Forecast issued by the National Weather 
Service.
* Formation chance through 48 hours...high...near 100 percent. 
* Formation chance through 7 days...high...near 100 percent.
Western Central Pacific:
An area of low pressure is forecast to form in the far western 
central Pacific a few hundred miles southwest of Johnson Atoll late 
this weekend of early next week. Environmental conditions appear 
conducive for some gradual development thereafter while the system 
moves generally eastward to east-northeastward.
* Formation chance through 48 hours...low...near 0 percent. 
* Formation chance through 7 days...low...20 percent.
&&
High Seas Forecasts issued by the National Weather Service
can be found under AWIPS header NFDHSFEPI, WMO header FZPN02 
KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php