FZUS72 KJAX 041831 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 231 PM EDT Tue Aug 4 2026 AMZ450-452-454-041930- 231 PM EDT Tue Aug 4 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... 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 231 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 8 nm west of Amelia City to 19 nm west of Saint Augustine, moving east at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 3078 8167 3076 8162 3079 8157 3080 8163 3084 8167 3093 8107 3060 8110 3036 8106 2977 8089 2977 8131 2981 8135 3010 8141 3022 8147 3034 8148 3038 8151 3044 8149 3051 8150 3055 8156 3066 8153 3071 8168 $$ HESS