NWS Miami FLMA.W 0293September 20, 2026
Special Marine Warning: Biscayne Bay and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM
The National Weather Service office in Miami issued a special marine warning for Biscayne Bay and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM, which was in force until 5:15 p.m. local time on September 20. It was the 293rd special marine warning the NWS office in Miami issued in 2026.
ExpiredWarning
In force for 35 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Miami FL
- Area
- Biscayne Bay and Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM
- Level
- Warning
- Issued
- 4:40 p.m. EDT, September 20, 2026
- Expires
- 5:15 p.m. EDT, September 20, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KMFL MA.W 0293
- Official source
- National Weather Service: the notice at its source
NWS notices, September 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... * Until 515 PM EDT. * At 440 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Black Point, moving south 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... Convoy Point, Turkey Point, Card Sound, Biscayne Bay, and Soldier Key.
What the agency told people to do
Move to safe harbor until hazardous weather passes. 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.