Special Marine Warning Issued for Southeast Florida Coastal Waters
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NWS Miami has issued a Special Marine Warning until 9:15 PM EDT for coastal waters from Jupiter Inlet to Deerfield Beach FL due to a severe thunderstorm capable of producing waterspouts.
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- Record type
- Special Marine Warning
- Affected area
- Southeast Florida Coastal Waters
- Issued
- August 23, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Miami FL. The alert is effective from August 23, 2026 at 7:40 PM EDT until August 23, 2026 at 9:15 PM EDT.
Affected Areas
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM and waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Report severe weather to the Coast Guard or the National Weather Service.
Expected Conditions
At 7:40 PM EDT, a severe thunderstorm capable of producing waterspouts was located 23 nm east of Palm Beach Shores, moving east at 15 knots. Hazards include waterspouts and wind gusts 34 knots or greater.
Timeline
The warning is in effect from 7:40 PM EDT to 9:15 PM EDT on August 23, 2026. The severe thunderstorm will remain over mainly open waters.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (1,056 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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