Tropical Storm Marco is now entering the Gulf of Mexico and new alerts have been issued for the northern Gulf Coast.

New this afternoon, a hurricane watch has been issued from Intracoastal City Louisiana eastward to the Mississippi/Alabama border, including Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans.

A storm surge watch has been also been issued from Sabine Pass eastward to the Alabama/Florida border, including Lake Pontchartrain, Lake Maurepas, Lake Borgne, and Mobile Bay.

A tropical storm watch has been issued from the Mississippi/Alabama border eastward to the Alabama/Florida border.

Note, the forecast has changed significantly this afternoon.

For the latest on Marco, along with a discussion of its remaining forecast uncertainties, .

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