Tropical Storm Marco is moving through the northwestern Caribbean.
It will bring heavy rain and gusty winds to parts of Mexico this weekend.
This system is then expected to emerge in the Gulf of Mexico on Sunday.
It is increasingly likely this system could affect parts of the northern or western U.S. Gulf Coast.
At what intensity it moves ashore along the western Gulf Coast and when remains uncertain.
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Tropical Storm Marco has formed and is expected to strengthen in the Caribbean and Gulf of Mexico. Marco will impact parts of Mexico before reaching the western Gulf of Mexico, where it faces an uncertain future, but will likely affect parts of the Texas and Louisiana Gulf Coasts next week.
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The center of this system is less than 200 miles southeast of Cozumel, Mexico. It’s located well to the west of Tropical Storm Laura, which is a separate system tracking through the Atlantic.
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Tropical Storm Marco is generating widespread showers and thunderstorms along with gusty winds in the western Caribbean Sea, occasionally wrapping into the Cayman Islands, western Cuba and Mexico’s Yucatan Peninsula.