Special Marine Warning for Biscayne Bay and Florida Coastal Waters
This alert is no longer in effect.
NOAA issued it on April 9, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Special Marine Warning has been issued by NWS Miami FL for Biscayne Bay and coastal waters off Florida, with waterspouts and wind gusts up to 40 knots expected until 11:15 PM EDT on April 8, 2026.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeastern Florida Coastal Waters
- Issued
- April 9, 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: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southeastern Florida Coastal Waters.
Alert Details
The National Weather Service in Miami has issued a Special Marine Warning, effective from 10:15 PM EDT to 11:15 PM EDT on April 8, 2026.
Affected Areas
The warning affects 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. Locations impacted include Sunny Isles, Convoy Point, Turkey Point, Key Biscayne, Pacific Reef, Black Point, Cape Florida, Virginia Key, Soldier Key, Bay Harbor Islands, Miami Beach, Elliott Key, Bal Harbour, Triumph Reef, Surfside, Coral Gables, Indian Creek, and North Bay Village.
What You Should 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.
Expected Conditions
Severe thunderstorms capable of producing waterspouts and wind gusts to 40 knots.
Timeline
The alert is effective from 10:15 PM EDT on April 8, 2026, and ends at 11:15 PM EDT on April 8, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,107 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 9, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.