Special Marine Warning Issued for Offshore Waters from Sebastian Inlet to Jupiter Inlet
This alert is no longer in effect.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 offshore waters between Sebastian Inlet and Jupiter Inlet until 8:30 AM EST due to a strong thunderstorm.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- East Central Florida Offshore Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS Melbourne 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 East Central Florida Offshore Waters.
Alert Details
The National Weather Service in Melbourne FL has issued a Special Marine Warning for the Atlantic coastal waters. This alert was triggered by radar indicating a strong thunderstorm capable of producing hazardous conditions for mariners.
Affected Areas
The warning specifically covers the offshore waters from Sebastian Inlet to Jupiter Inlet, extending from 20 to 60 nautical miles offshore. At 8:00 AM EST, the storm was tracked approximately 49 nautical miles east of Nettles Island, moving northeast at 10 knots.
What You Should Do
Boaters should seek safe harbor immediately until the storm passes. The National Weather Service advises that all persons on board should wear life jackets. If caught on open water, stay below deck and avoid ungrounded metal objects, as frequent cloud-to-water lightning is occurring. Remember that lightning can strike more than 10 miles away from the core of a thunderstorm.
Expected Conditions
- Wind: Gusts of 34 knots or greater.
- Hail: Small hail is possible.
- Water Conditions: Suddenly higher waves and heavy downpours.
- Lightning: Frequent cloud-to-water lightning.
Timeline
The warning is effective as of 8:01 AM EST on March 1, 2026, and is currently set to expire at 8:30 AM EST. The storm is expected to remain mainly over open waters during this period.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.