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NWS Miami FLMA.W 0314October 3, 2026

Special Marine Warning: Biscayne Bay, Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters

The National Weather Service office in Miami issued a special marine warning for Biscayne Bay, Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas, which was in force until 10:00 p.m. local time on October 3. It was the 314th special marine warning the NWS office in Miami issued in 2026.

ExpiredWarning

Issued9:55 p.m. EDT, October 3, 2026
In force9:55 p.m. EDT, October 3, 2026
Expired10:00 p.m. EDT, October 3, 2026

In force for 5 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, Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM and Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas
Level
Warning
Issued
9:55 p.m. EDT, October 3, 2026
Expires
10:00 p.m. EDT, October 3, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KMFL MA.W 0314
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

The affected areas were... Biscayne Bay... Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM... Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas... The thunderstorm has weakened and no longer poses a significant threat to boaters.

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.

The record around this notice