As of the 2PM National Hurricane Center update, Tropical Storm Isaias is expected to pass about 60 miles offshore from Tybee Island Monday afternoon. Impacts include the potential for 1-3 inches of rain, tropical storm force winds and dangerous surf conditions. Tybee Island Beach Safety will close the water to swimmers both Sunday and Monday as a precaution. City Administrative Offices will be closed Monday. Please stay tuned to local media for additional updates as the system approaches.