Tropical Storm Marco will still make landfall in Louisiana, but it's not going to get any stronger as wind shear has torn the storm apart and all tropical storm watches and warnings associated with it have been discontinued.
"Strengthening is expected when the storm moves over the Gulf of Mexico, and Laura is forecast to become a hurricane by late Tuesday," said Daniel Brown, Senior Hurricane Specialist with the hurricane center. "Laura is forecast to reach the northwestern Gulf Coast as a hurricane late Wednesday and early Thursday."
A Storm Surge Watch is in effect from San Luis Pass, Texas, to Ocean Springs, Mississippi, including Lake Pontchartrain, Lake Maurepas, and Lake Borgne for areas outside of the southeast Louisiana Hurricane and Storm Damage Risk Reduction System.
A Hurricane Watch is in effect from Port Bolivar, Texas, to west of Morgan City, Louisiana.