Eastern Pacific Tropical Weather Outlook











725
ABPZ20 KNHC 212319
TWOEP

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Wed Oct 21 2026

For the eastern and central North Pacific east of 180 longitude:

Active Systems:
The National Hurricane Center is issuing advisories on recently
upgraded Tropical Storm Vance, located several hundred miles
south of Acapulco, Mexico.

Western Central Pacific:
An area of low pressure is forecast to form near the International
Date Line, a few hundred miles west-southwest of Johnston Atoll
late this weekend or 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...30 percent.

&&
Public advisories on Tropical Storm Vance are issued under WMO
header WTPZ32 KNHC and under AWIPS header MIATCPEP2.
Forecast/advisories on Tropical Storm Vance are issued under WMO
header WTPZ22 KNHC and under AWIPS header MIATCMEP2.

$$
Forecaster Pasch



https://www.nhc.noaa.gov/gtwo.php?basin=epac