400 FZUS72 KJAX 052213 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 513 PM EST Fri Dec 5 2025 AMZ450-452-470-472-052315- 513 PM EST Fri Dec 5 2025 ...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... Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... At 513 PM EST, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from near A L T Buoy to 15 nm west of Amelia City, moving east at 35 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 3077 8166 3076 8162 3079 8157 3080 8163 3081 8165 3092 8157 3093 8158 3128 8140 3128 8138 3130 8137 3123 8085 3112 8033 3043 8079 3047 8150 3051 8150 3055 8156 3060 8153 3066 8153 3072 8169 $$ HESS