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🟡 Tropical Disturbance

Disturbance 1

Southwest of Southwestern Mexico: A tropical wave is producing disorganized showers and thunderstorms several hundred miles south of southwestern Mexico.

Formation chance · 48 hours
Formation chance · 7 days
70%High

What this means

Southwest of Southwestern Mexico: A tropical wave is producing disorganized showers and thunderstorms several hundred miles south of southwestern Mexico. Environmental conditions appear conducive for gradual development, and a tropical depression is likely to form late this weekend or early next week while it moves north-northwestward or northward at 5 to 10 mph.

Official resources

Last updated 9/17/2026, 10:30:01 AM · Latest advisory 9/17/2026, 5:10:30 AM