920 WHUS72 KCHS 110540 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 1240 AM EST Tue Dec 11 2018 AMZ374-111345- /O.CON.KCHS.SC.Y.0060.000000T0000Z-181212T0500Z/ Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM- 1240 AM EST Tue Dec 11 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * WINDS AND SEAS...Wind and or wave conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... During a Small Craft Advisory, inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$