Special Marine Warning Issued for Waters from Jupiter Inlet to Deerfield Beach FL
This alert is no longer in effect.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 for offshore Florida waters until 10:30 AM EST due to a severe thunderstorm capable of producing waterspouts and large hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeast Florida Coast
- 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 Coast.
Alert Details
The National Weather Service in Miami has issued a Special Marine Warning for offshore Atlantic waters. The alert was issued at 9:52 AM EST on March 1, 2026, following radar detection of hazardous conditions.
Affected Areas
The warning specifically impacts the waters from Jupiter Inlet to Deerfield Beach, Florida, extending from 20 to 60 nautical miles offshore.
What You Should Do
Mariners and residents in the affected area should take the following actions:
- Move to safe harbor immediately until the hazardous weather passes.
- Small craft should be secured, as they could be damaged by briefly higher winds and suddenly higher waves.
- Report any sightings of severe weather to the Coast Guard or the National Weather Service.
- Observations can also be shared with NWS Miami via their social media channels on Facebook and Twitter.
Expected Conditions
At 9:51 AM EST, a severe thunderstorm was located 42 nautical miles east of Ocean Ridge, moving southeast at 15 knots. According to the National Weather Service, the following hazards are expected:
- Waterspouts: These can easily overturn boats and create locally hazardous seas.
- Wind: Gusts of 34 knots or greater are possible.
- Large Hail: Potential for structural damage to vessels.
The severe thunderstorm is expected to remain primarily over open waters.
Timeline
The warning is effective immediately as of 9:52 AM EST and is currently set to expire at 10:30 AM EST on March 1, 2026.
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 (1,503 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 6, 2026.
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Common questions about this NWS weather alert.