A westward shift overnight in Tropical Storm Sally‘s path has put metro New Orleans in the center of the forecast track for a storm that’s expected to be a slow-moving, strengthening Category 2 hurricane at landfall, the National Hurricane Center said.

The track shifted in the 4 a.m. update about 40 miles west, and Sally is projected to come ashore sometime early Tuesday in Barataria Bay and curving north into metro New Orleans and moving over Lake Pontchartrain and over the north shore.

The following watches and warnings are in effect locally:

Storm surge warning: Port Fourchon to the Mississippi/Alabama border, Lake Pontchartrain, Lake Maurepas, and Lake Borgne

— A hurricane warning: Grand Isle to Ocean Springs, Miss., including Lake Pontchartrain, Lake Maurepas and metro New Orleans. The warning also includes Ascension, Livingston, Tangipahoa and St. James parishes.

— Storm surge watch: Mississippi/Alabama border to the Alabama/Florida border

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