


Special Marine Warning
Issued by NWS Miami, FL
Issued by NWS Miami, FL
410 WHUS52 KMFL 172345 SMWMFL GMZ656-657-180030- /O.NEW.KMFL.MA.W.0285.250817T2345Z-250818T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 745 PM EDT Sun Aug 17 2025 The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM... Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM... * Until 830 PM EDT. * At 745 PM EDT, a severe thunderstorm capable of producing waterspouts was located 8 nm east of Cape Romano, or 9 nm northwest of Chokoloskee, moving west at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Chokoloskee, Cape Romano Aquatic Preserve, Cape Romano, and Marco Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2601 8167 2600 8164 2596 8162 2593 8147 2590 8144 2590 8139 2579 8130 2567 8166 2594 8182 TIME...MOT...LOC 2345Z 077DEG 9KT 2588 8153 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ CWC