380 FZUS72 KCHS 182210 MWSCHS Marine Weather Statement National Weather Service Charleston SC 610 PM EDT Thu Jun 18 2026 AMZ360-362-182220- /O.CAN.KCHS.MA.W.0027.000000T0000Z-260618T2215Z/ 610 PM EDT Thu Jun 18 2026 ...SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Waters from South Santee River SC to Savannah GA out 20 NM... The thunderstorm has moved out of area and no longer poses a significant threat to boaters. && LAT...LON 3233 8052 3234 8047 3238 8046 3240 8048 3244 8050 3249 8050 3253 8043 3251 8040 3253 8037 3252 8032 3261 8015 3263 8002 3238 7986 3211 8033 TIME...MOT...LOC 2120Z 236DEG 32KT 3238 8048 $$ CPM 818 FZUS72 KMLB 182217 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 617 PM EDT Thu Jun 18 2026 AMZ550-182315- 617 PM EDT Thu Jun 18 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Flagler Beach to Volusia-Brevard County Line 0-20 nm... At 616 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from near Ormond-By-the-Sea to 6 nm southwest of Port Orange, moving east at 20 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. Frequent cloud to water lightning is occurring with these storms. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2942 8113 2943 8110 2944 8111 2943 8112 2945 8111 2945 8112 2946 8113 2947 8104 2948 8075 2929 8066 2907 8051 2900 8094 2938 8113 $$ Law 929 FZUS72 KJAX 182220 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 620 PM EDT Thu Jun 18 2026 AMZ452-472-182230- /O.CAN.KJAX.MA.W.0075.000000T0000Z-260618T2300Z/ 620 PM EDT Thu Jun 18 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... The thunderstorms have weakened and no longer pose a significant threat to boaters. && LAT...LON 2946 8111 2978 8107 2987 8093 2990 8067 2964 8066 2948 8085 2947 8091 TIME...MOT...LOC 2220Z 219DEG 36KT 3019 8115 2987 8098 2944 8097 $$ AMZ454-474-182300- /O.CON.KJAX.MA.W.0075.000000T0000Z-260618T2300Z/ 620 PM EDT Thu Jun 18 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 700 PM EDT... For the following areas... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM... At 620 PM EDT, strong thunderstorms were located along a line extending from 12 nm east of Palm Valley to 15 nm east of Saint Augustine Beach to 7 nm northeast of Ormond-By-the-Sea, moving northeast at 35 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Big Georges Reef. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 2946 8111 2978 8107 2987 8093 2990 8067 2964 8066 2948 8085 2947 8091 TIME...MOT...LOC 2220Z 219DEG 36KT 3019 8115 2987 8098 2944 8097 HAIL...0.00IN WIND...>34KTS $$ CHANEY 041 FZUS72 KJAX 182224 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 624 PM EDT Thu Jun 18 2026 AMZ472-474-182330- 624 PM EDT Thu Jun 18 2026 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... 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... At 624 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 25 nm east of Saint Augustine Beach to 9 nm northeast of Ormond-By-the-Sea, moving northeast at 30 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 2959 8081 3026 8102 3045 8039 3013 8030 2948 8053 2948 8075 $$ CHANEY 806 FZUS72 KJAX 182237 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 637 PM EDT Thu Jun 18 2026 AMZ450-182330- 637 PM EDT Thu Jun 18 2026 ...THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... At 637 PM EDT, Doppler radar indicated thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 10 nm northwest of St. Simons Island to Jekyll Island, moving northeast at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 3130 8142 3128 8138 3130 8137 3130 8133 3129 8133 3128 8132 3128 8124 3124 8094 3119 8094 3114 8096 3099 8144 3125 8164 3129 8160 3127 8154 3121 8149 3130 8147 $$ CHANEY 345 FZUS72 KJAX 182251 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 651 PM EDT Thu Jun 18 2026 AMZ450-452-182301- /O.EXP.KJAX.MA.W.0076.000000T0000Z-260618T2300Z/ 651 PM EDT Thu Jun 18 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 700 PM EDT... The affected areas were... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... The thunderstorms have weakened and no longer pose a significant threat to boaters. && LAT...LON 3060 8153 3066 8153 3066 8154 3078 8150 3081 8127 3079 8110 3057 8110 3036 8116 3036 8149 3038 8151 3044 8149 3051 8150 3055 8156 TIME...MOT...LOC 2251Z 219DEG 24KT 3070 8128 3073 8115 3068 8103 $$ CHANEY 834 FZUS72 KMLB 182253 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 653 PM EDT Thu Jun 18 2026 AMZ550-182345- /O.CON.KMLB.MA.W.0116.000000T0000Z-260618T2345Z/ 653 PM EDT Thu Jun 18 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 PM EDT... For the following areas... Flagler Beach to Volusia-Brevard County Line 0-20 nm... At 652 PM EDT, clouds were located along a line extending from 18 nm northeast of Ormond-By-the-Sea to near Daytona Beach Shores, moving northeast at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. Locations impacted include... Daytona Beach Shores, South Daytona, Wilbur By The Sea, Big Georges Reef, and Holly Hill. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to water lightning is occurring with these storms. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2942 8113 2943 8111 2942 8111 2943 8110 2944 8111 2946 8112 2948 8075 2938 8070 2912 8085 2912 8100 2938 8113 TIME...MOT...LOC 2252Z 220DEG 21KT 2956 8081 2921 8095 HAIL...0.00IN WIND...40KTS $$ Law 178 FZUS72 KJAX 182254 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 654 PM EDT Thu Jun 18 2026 AMZ454-474-182304- /O.EXP.KJAX.MA.W.0075.000000T0000Z-260618T2300Z/ 654 PM EDT Thu Jun 18 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 700 PM EDT... The affected areas were... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM... The thunderstorms have shifted into the offshore waters and a new Special Marine Warning was issued. && LAT...LON 2946 8111 2978 8107 2987 8093 2990 8067 2964 8066 2948 8085 2947 8091 TIME...MOT...LOC 2254Z 306DEG 51KT 2980 8093 2948 8076 2905 8076 $$ CHANEY 587 FZUS72 KCHS 182255 MWSCHS Marine Weather Statement National Weather Service Charleston SC 655 PM EDT Thu Jun 18 2026 AMZ340-360-182305- /O.EXP.KCHS.MA.W.0029.000000T0000Z-260618T2300Z/ 655 PM EDT Thu Jun 18 2026 ...SPECIAL MARINE WARNING WILL EXPIRE AT 7 PM EDT... The affected areas were... Charleston Harbor... Coastal waters from South Santee River to Edisto Beach SC out 20 NM... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 3262 8006 3263 8002 3267 8000 3271 7990 3277 7999 3278 7999 3280 7998 3281 7995 3283 7994 3285 7992 3284 7989 3281 7988 3279 7984 3283 7974 3287 7972 3291 7964 3296 7965 3303 7960 3273 7928 3235 7986 TIME...MOT...LOC 2207Z 236DEG 32KT 3274 8003 $$ CPM 469 FZUS72 KCHS 182257 MWSCHS Marine Weather Statement National Weather Service Charleston SC 657 PM EDT Thu Jun 18 2026 AMZ362-364-182345- /O.CON.KCHS.MA.W.0028.000000T0000Z-260618T2345Z/ 657 PM EDT Thu Jun 18 2026 ...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 PM EDT... For the following areas... Waters from Edisto Beach SC to Altamaha Sound out 20 NM... At 657 PM EDT, strong thunderstorms were located along a line from 9 NM northwest of Altamaha Sound to 11 NM south of Altamaha Sound, moving northeast at 20 knots. HAZARD...Wind gusts to 34 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... D U A Buoy, Sea Buoy Os, Sea Buoy 2w, 110 Degree Olympic Buoy, Sailboat Jupiter, Motherlode Barge, Buoy K C, Tug Rio Apon, Buoy Tender Sagebrush, C A T Buoy, Ferry Boat Janet, Tug Elmira, Buoy J, C C A Buoy and Savannah Buoy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3129 8140 3130 8127 3131 8127 3131 8132 3143 8132 3138 8127 3153 8119 3154 8120 3154 8127 3163 8113 3172 8119 3181 8104 3186 8109 3186 8099 3194 8098 3222 8067 3207 8022 3194 8047 3161 8078 3124 8094 TIME...MOT...LOC 2147Z 217DEG 20KT 3111 8169 3095 8158 3083 8154 MAX HAIL SIZE...0.00 IN MAX WIND GUST...34 KTS $$ NED