Special Marine Warning Issued for South Florida Atlantic Waters Off Deerfield Beach to Ocean Reef

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.