At 1000 AM CDT (1500 UTC), the center of Tropical Storm Sergio was located near latitude 12.1 North, longitude 105.4 West. Sergio is moving toward the west near 13 mph (20 km/h) and this general motion is expected for the next couple of days with a turn toward the west-northwest expected on Tuesday.
Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours, and Sergio is expected to become a hurricane by tonight and a major hurricane on Tuesday.
Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center.
In the coastal zone, such as Puerto Escondido, Puerto Angel, Huatulco, and Salina Cruz, the port captaincy keeps minor vessels and red flags closed to navigation to prevent tourists from approaching the beach area.
Due to the forecasts, the civil protection authorities recommend the population take extreme precautions and respond to the call of the local authorities, as the rains continue, there could be mudslides, landslides, overflows of rivers and streams or effects on roads and stretches carters, as well as floods in low areas and urban sites.