Special Marine Warning Issued for Southeast Florida Coastal Waters Through 2:00 PM EDT
This alert is no longer in effect.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.
The National Weather Service has issued a Special Marine Warning for Florida coastal waters from Jupiter Inlet to Ocean Reef as severe thunderstorms capable of producing waterspouts move through the region.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeast Florida Coastal Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS Miami
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 Coastal Waters.
Alert Details
The National Weather Service in Miami has issued a Special Marine Warning for several coastal and offshore zones in Southeast Florida. The alert was issued at 1:15 PM EDT on March 13 and remains in effect until 2:00 PM EDT. This is an immediate-urgency alert based on radar-detected hazards.
Affected Areas
The warning covers the following maritime regions:
- Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM
- Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM
- Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM
Expected Conditions
At 1:15 PM EDT, radar indicated severe thunderstorms capable of producing waterspouts. These storms were located along a line extending from 16 nautical miles east of Ocean Ridge to 33 nautical miles east of Palm Beach, moving south at 10 knots.
Primary hazards include:
- Waterspouts: Capable of easily overturning boats and creating locally hazardous seas.
- Wind: Gusts of 34 knots or greater.
- Waves: Small craft could be damaged in briefly higher winds and suddenly higher waves.
Severe thunderstorms are expected to remain primarily over open waters.
What You Should Do
Mariners are advised to move to safe harbor immediately until the hazardous weather passes. Small craft should take particular care as they are vulnerable to damage from sudden wind and wave increases.
Residents and mariners are encouraged to report severe weather to the Coast Guard or the National Weather Service. Reports can also be shared with NWS Miami via Facebook and Twitter.
Timeline
The warning is effective immediately as of 1:15 PM EDT and is currently scheduled to expire at 2:00 PM EDT on March 13, 2026.
Original source: NOAA Official Notice ↗
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