Eastern Pacific Tropical Weather Outlook
559 ABPZ20 KNHC 172330 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Mon Aug 17 2026 For the eastern and central North Pacific east of 180 longitude: Active Systems: The National Hurricane Center is issuing advisories on Tropical Storm Lala, located a few hundred miles south-southeast of French Frigate Shoals, Hawaii. South of Mexico: An area of low pressure is forecast to form several hundred miles south of the coast of southern Mexico around the end of the week. Gradual development of this system is likely thereafter, and a tropical depression is expected to form this weekend while the system moves west-northwestward, remaining well offshore of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...high...70 percent. Western Portion of the East Pacific: A broad area of low pressure is expected to form well to the east-southeast of the Hawaiian Islands during the latter part of this week. Environmental conditions appear conducive for gradual development of this system, and a tropical depression could form towards the end of the week or over the weekend while the system moves generally westward across the western portion of the east Pacific and into the central Pacific. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...medium...50 percent.