Eastern Pacific Tropical Weather Outlook
570 ABPZ20 KNHC 181738 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Tue Aug 18 2026 For the eastern and central North Pacific east of 180 longitude: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Lala, located a few hundred miles west of Kauai, 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...80 percent. Western Portion of the East Pacific: A tropical wave located well to the west-southwest of the southern tip of the Baja California Peninsula is producing disorganized showers and thunderstorms. 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...20 percent. * Formation chance through 7 days...medium...60 percent.