FZUS72 KJAX 212247 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 647 PM EDT Tue Jul 21 2026 AMZ452-454-212345- 647 PM EDT Tue Jul 21 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... At 647 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 9 nm west of Butler Beach to near Palm Coast to 6 nm northwest of Ormond-By-the-Sea, moving northeast at 20 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 2946 8116 2953 8120 2955 8124 2963 8125 2965 8128 2973 8128 2981 8135 3010 8141 3015 8143 3019 8102 2997 8094 2988 8093 2948 8075 $$ DUBOIS