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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Fri Sep 12 2025

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

Active Systems: 
The National Hurricane Center is issuing advisories on Tropical 
Storm Mario, located just offshore of the coast of southwestern 
Mexico.

1. Central East Pacific:
An area of low pressure could develop well offshore of the coast of 
southern or southwestern Mexico early next week.  Environmental 
conditions are expected to be conducive for gradual development 
thereafter, as the low tracks westward to west-northwestward around 
10 to 15 mph.
*Formation chance through 48 hours...low...near 0 percent.
*Formation chance through 7 days...low...20 percent.



Forecaster Jelsema/Kelly