409 FZUS72 KJAX 202046 MWSJAX Marine Weather Statement National Weather Service Jacksonville FL 446 PM EDT Sat Jun 20 2026 AMZ450-202215- 446 PM EDT Sat Jun 20 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... At 446 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 16 nm northwest of St. Simons Island to near St Simons Island Village, moving east at 10 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 3124 8094 3103 8101 3097 8106 3093 8152 3111 8163 3118 8161 3120 8168 3129 8160 3127 8154 3121 8149 3130 8147 $$ CHANEY 949 FZUS72 KMLB 202046 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 446 PM EDT Sat Jun 20 2026 AMZ555-575-202145- 446 PM EDT Sat Jun 20 2026 ...STRONG THUNDERSTORMS OVER THE WATERS... The areas affected include... Sebastian Inlet to Jupiter Inlet 0-20 nm... Sebastian Inlet to Jupiter Inlet 20-60 nm... At 446 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 11 nm east of Fort Pierce Inlet to Palm City. The thunderstorms were nearly stationary. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until these storms pass. Waterspouts are possible with this activity. Remain on the alert in case warnings are issued for waterspout development. Frequent cloud to water lightning is occurring with these storms. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2697 8011 2711 8018 2715 8022 2713 8027 2723 8035 2728 8035 2729 8032 2724 8026 2746 8037 2764 8041 2774 7980 2698 7955 $$ Schaper