Special Marine Warning for Southeast Florida Offshore 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This alert is no longer in effect.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.
The National Weather Service in Miami has issued a Special Marine Warning for waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM, with severe thunderstorms capable of producing waterspouts until 9:30 PM EDT on April 8, 2026.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeast Florida Offshore 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 Southeast Florida Offshore Waters.
Special Marine Warning Alert
The National Weather Service has issued a critical alert for mariners in the specified area. This article provides essential details based on the official warning.
Alert Details
This is a Special Marine Warning issued by NWS Miami FL. It is categorized as a severe alert with the event code 'MAW' and is effective from 8:32 PM EDT on April 8, 2026.
Affected Areas
The warning affects waters from Deerfield Beach to Ocean Reef FL from 20 to 60 nautical miles, excluding the territorial waters of the Bahamas. Specific zones include AMZ671 as per the geocode.
What You Should Do
Mariners should move to safe harbor until the hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service, and share reports with NWS Miami on Facebook and Twitter.
Expected Conditions
Severe thunderstorms capable of producing waterspouts are occurring. Waterspouts can overturn boats and create locally hazardous seas. The storms are detected via radar and are moving southwest at 25 knots.
Timeline
The alert is effective from 8:32 PM EDT on April 8, 2026, and expires at 9:30 PM EDT on the same day.
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 (1,170 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.