Special Marine Warning for Biscayne Bay and Coastal Waters
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Miami has issued a Special Marine Warning for Biscayne Bay and coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM until 3:45 PM EDT due to a severe thunderstorm capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Biscayne Bay, Florida
- Issued
- August 3, 2026
- Issuing authority
- NWS Miami FL
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Miami FL. The alert is effective from 3:02 PM EDT on August 3, 2026, until 3:45 PM EDT on August 3, 2026.
Affected Areas
The warning covers Biscayne Bay and coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM. Locations impacted include Soldier Key, Key Biscayne, Biscayne Bay, Elliott Key, Black Point, Cape Florida, and Coral Gables.
What You Should Do
Move to safe harbor until hazardous weather passes. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service.
Expected Conditions
At 3:02 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Coral Gables, moving east at 10 knots. Hazards include waterspouts, wind gusts to nearly 50 knots, and small hail.
Timeline
The alert is in effect from 3:02 PM EDT until 3:45 PM EDT on August 3, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.