WHUS72 KJAX 201756 MWWJAX URGENT - MARINE WEATHER MESSAGE National Weather Service Jacksonville FL 156 PM EDT Fri Mar 20 2026 AMZ472-474-201900- /O.EXP.KJAX.SC.Y.0021.000000T0000Z-260320T1800Z/ Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 156 PM EDT Fri Mar 20 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... Small craft still need to exercise caution across the water through this evening. $$