The National Water Commission (Conagua) reported that Tropical Storm Marie formed during the early hours of Tuesday, September 1, with its center located 760 kilometers southwest of Manzanillo, Colima. ^[1] Tropical Storm Marie formed in the Pacific Ocean during the early hours of Tuesday, September 1, prompting vigilance from Mexican meteorological authorities. ^[2] On September 1, 2026, Tropical Storm Marie continued to strengthen south of the coasts of Jalisco in the Pacific Ocean. ^[3] The National Meteorological Service (SMN) forecasts that Tropical Storm Marie will intensify into a Category 1 hurricane on September 2 and potentially reach Category 2 status on September 3. ^[4] Conagua warned that heavy to very heavy rains could be accompanied by electrical discharges, strong wind gusts, possible hail, and landslides. ^[5] Tropical Storm Marie presents maximum sustained winds of 75 kilometers per hour and gusts up to 95 kilometers per hour, moving west at 15 kilometers per hour. ^[6] Very heavy rainfall is expected in southern Baja California Sur, eastern and southern Sonora, central and southern Sinaloa, western Chihuahua, western and southern Durango, western Zacatecas, central and eastern Nayarit, northwestern and western Jalisco, southwestern and eastern Guanajuato, central, southwestern, and southern Hidalgo, northern and western State of Mexico, eastern Guerrero, western and southern Oaxaca. ^[7] Experts warn that Tropical Storm Marie will rapidly strengthen and reach Category 1 hurricane status by midday on September 2, 2026, south-southwest of Cabo San Lucas. ^[8] Protección Civil and the SMN recommend that populations in Nayarit, Jalisco, Colima, and Michoacán monitor official reports and exercise extreme caution during periods of rain. ^[9] The storm's circulation is expected to increase the probability of rainfall in four western Mexican states: Nayarit, Jalisco, Colima, and Michoacán. ^[10] Heavy rains and increased wave heights are expected to affect nine states along the Pacific coast between Wednesday and Friday. ^[11] The National Meteorological Service (SMN) reported that Tropical Storm Marie is located more than 800 kilometers south of Baja California Sur and is moving northwest with winds of up to 95 kilometers per hour. ^[12]