Special Marine Warning Issued for South Florida Atlantic Waters Off Deerfield Beach to Ocean Reef
This alert is no longer in effect.
NOAA issued it on April 6, 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 is in effect until 12:45 PM EST for Florida coastal waters as a severe thunderstorm capable of producing waterspouts and large hail moves through the region.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- South Florida Atlantic Waters
- Issued
- April 6, 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 South Florida Atlantic Waters.
Alert Details
The National Weather Service in Miami has issued a Special Marine Warning for the Atlantic coastal waters. The alert was triggered by a severe thunderstorm detected by radar that is capable of producing waterspouts, significant wind gusts, and large hail.
Affected Areas
The warning covers the waters from Deerfield Beach to Ocean Reef, Florida, extending from 20 to 60 nautical miles offshore. This area excludes the territorial waters of the Bahamas.
What You Should Do
Mariners and residents in the affected area are advised to move to safe harbor immediately until the hazardous weather passes. Severe weather sightings should be reported to the Coast Guard or the National Weather Service. Reports can also be shared with NWS Miami via social media platforms.
Expected Conditions
At 11:59 AM EST, a severe thunderstorm was located approximately 35 nautical miles east of Surfside, moving southeast at 15 knots. Primary hazards include:
- Waterspouts: These can easily overturn boats and create locally hazardous seas.
- Wind: Gusts of 34 knots or greater are expected.
- Hail: Large hail is possible, which may result in structural damage.
- Seas: Small craft could be damaged by suddenly higher waves and briefly higher winds.
Timeline
The warning is effective immediately as of 11:59 AM EST on March 1 and is scheduled to remain in effect until 12:45 PM EST. The storm is expected to remain primarily over open waters during this window.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (1,493 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 6, 2026.
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