


Tropical Weather Outlook and Summary
Issued by NWS
Issued by NWS
058 ABPZ20 KNHC 300515 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Tue Jul 29 2025 For the eastern and central North Pacific east of 180 longitude: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Iona, located in the central Pacific basin well south of the Hawaiian Islands, and on Tropical Storm Keli also located in the central Pacific basin well southeast of the Hawaiian Islands. Western East Pacific (EP98): Showers and thunderstorms associated with an area of low pressure located around 1150 miles east-southeast of the Hawaiian Islands remain limited and have changed little since this morning. However, if persistent showers and thunderstorms re-develop during the next day or so, a short-lived tropical depression could still form. The system will enter the Central Pacific basin shortly. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...medium...60 percent. South of Southwestern Mexico (EP99): A trough of low pressure located several hundred miles southwest of the southwestern coast of Mexico is producing a large area of disorganized showers and thunderstorms. Environmental conditions appear conducive for development, and a tropical depression is likely to form during the next day or two while the system moves west-northwestward around 15 mph, remaining well offshore of the southwestern coast of Mexico. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...90 percent. Central East Pacific: An area of low pressure is forecast to develop well south of southern or southwestern Mexico late this week. Environmental conditions appear conducive for some gradual development of this system and a tropical depression could develop over the weekend or early next week as the system moves west-northwestward at 10 to 15 mph. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...medium...60 percent. $$ Forecaster Jelsema