NWS Miami FLMA.W 0312October 1, 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 4:45 p.m. local time on October 1. It was the 312th special marine warning the NWS office in Miami issued in 2026.
ExpiredWarning
In force for 1 hour; 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
- 3:43 p.m. EDT, October 1, 2026
- Expires
- 4:45 p.m. EDT, October 1, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KMFL MA.W 0312
- Official source
- National Weather Service: the notice at its source
NWS notices, October 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 445 PM EDT. * At 343 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Pacific Reef, moving northwest at 15 knots. HAZARD...Waterspouts and wind gusts to 40 knots. 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... Elliott Key, Pacific Reef, Convoy Point, and Turkey Point.
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.