John P. Grace Memorial Bridge (historical), SC Weather Warnings

Small Craft Advisory issued June 18 at 2:19AM EDT until June 19 at 4:00PM EDT by NWS Charleston SC * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt expected. * WHERE...Charleston Harbor. * WHEN...From midnight tonight to 4 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

National Weather Service