890 FZUS72 KJAX 182108 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 508 PM EDT Thu Jun 18 2026 AMZ450-182130- /O.CON.KJAX.MA.W.0073.000000T0000Z-260618T2130Z/ 508 PM EDT Thu Jun 18 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 530 PM EDT... For the following areas... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... At 508 PM EDT, a strong thunderstorm was located near St Simons Island Village, or near St. Simons Island, moving northeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... St Simons Island Village, St. Simons Island, and Buoy F. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 3130 8134 3128 8132 3128 8124 3126 8108 3109 8119 3114 8142 3130 8142 3129 8141 3129 8140 3128 8138 3130 8137 3129 8136 3130 8136 TIME...MOT...LOC 2108Z 208DEG 26KT 3117 8130 HAIL...0.00IN WIND...>34KTS $$ 23 676 FZUS72 KJAX 182117 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 517 PM EDT Thu Jun 18 2026 AMZ452-454-182200- /O.CON.KJAX.MA.W.0074.000000T0000Z-260618T2200Z/ 517 PM EDT Thu Jun 18 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 600 PM EDT... For the following areas... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... At 517 PM EDT, strong thunderstorms were located along a line extending from near Saint Augustine to 6 nm southwest of Palm Coast, moving northeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Dorothy Louise Barge, Nine Mile Reef, Saint Augustine, Saint Augustine Beach, Crescent Beach, Beverly Beach, Butler Beach, Vilano Beach, Big Georges Reef, Marineland, and Palm Coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 2953 8120 2955 8124 2963 8125 2965 8128 2973 8128 2981 8135 2996 8138 3026 8103 2988 8093 2963 8083 2946 8115 TIME...MOT...LOC 2117Z 228DEG 33KT 2987 8137 2947 8132 HAIL...0.00IN WIND...49KTS $$ 23 529 FZUS72 KJAX 182129 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 529 PM EDT Thu Jun 18 2026 AMZ450-182230- 529 PM EDT Thu Jun 18 2026 A Marine Weather Statement has been issued for the following areas... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... At 528 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Jekyll Island, or 12 nm south of St. Simons Island, moving northeast at 25 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 this storm passes. && LAT...LON 3132 8145 3128 8138 3130 8137 3130 8133 3129 8133 3128 8132 3128 8124 3124 8097 3123 8094 3109 8098 3085 8147 3101 8164 3104 8158 3107 8160 3123 8151 3121 8149 $$ 23 914 FZUS72 KJAX 182132 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 532 PM EDT Thu Jun 18 2026 AMZ452-182230- 532 PM EDT Thu Jun 18 2026 A Marine Weather Statement has been issued for the following areas... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... At 532 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over Jacksonville Beach, or 25 nm north of Saint Augustine, moving northeast at 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 3060 8153 3080 8155 3077 8149 3073 8149 3077 8148 3072 8149 3076 8147 3069 8143 3068 8129 3059 8110 3050 8108 3018 8142 3023 8148 3034 8148 3038 8151 3044 8149 3051 8150 3055 8156 $$ 23 389 FZUS72 KCHS 182145 MWSCHS Marine Weather Statement National Weather Service Charleston SC 545 PM EDT Thu Jun 18 2026 AMZ362-364-182155- /O.CAN.KCHS.MA.W.0026.000000T0000Z-260618T2200Z/ 545 PM EDT Thu Jun 18 2026 ...SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Waters from Edisto Beach SC to Altamaha Sound out 20 NM... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 3177 8111 3181 8108 3184 8112 3188 8111 3191 8106 3189 8100 3196 8100 3201 8090 3207 8092 3214 8085 3214 8081 3221 8071 3226 8078 3232 8076 3234 8069 3230 8060 3234 8047 3238 8046 3245 8051 3218 8021 TIME...MOT...LOC 2024Z 239DEG 23KT 3204 8099 $$ CPM 327 FZUS72 KJAX 182157 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 557 PM EDT Thu Jun 18 2026 AMZ452-454-182206- /O.EXP.KJAX.MA.W.0074.000000T0000Z-260618T2200Z/ 557 PM EDT Thu Jun 18 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 600 PM EDT... The affected areas were... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... The thunderstorms have expanded and a new Special Marine Warning was issued. . && LAT...LON 2953 8120 2955 8124 2963 8125 2965 8128 2973 8128 2981 8135 2996 8138 3026 8103 2988 8093 2963 8083 2946 8115 TIME...MOT...LOC 2156Z 230DEG 30KT 3007 8110 2967 8105 $$ CHANEY