Special Marine Warning
N
Issued by NWS Miami FL
⏳ In force until Sat 24 Oct, 01:45 📍 Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM (approximate) 🕑 2 h ago
SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for... Coastal waters from Jupiter Inlet to Palm Beach FL out 10 NM... * Until 645 PM EDT. * At 550 PM EDT, a severe thunderstorm was located over Palm Beach Shores, moving north at 5 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly high…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeveritySevere
⏱
UrgencyImmediate
❓
CertaintyLikely
EventSpecial Marine Warning
Response typeAvoid
CategoryMet
Affected areaCoastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM
Issuing authorityNWS Miami FL
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-23T17:50:00-04:00
Effective2026-10-23T17:50:00-04:00
Onset2026-10-23T17:50:00-04:00
Expires2026-10-23T18:45:00-04:00
📋 Official instructions
Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. 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. You can also share your report with NWS Miami on Facebook and Twitter.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.817c7a1e6e5e238b2d71d44f4976ed048ac3bddf.001.1
Message typeAlert
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesNot supplied
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. 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. You can also share your report with NWS Miami on Facebook and Twitter.
- Stay aware of your surroundings in this area.
- Follow official updates from the police and local authorities.
- In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.
📰 Story summary
From the report shown in the feed:
- SMWMFL The National Weather Service in Miami has issued a * Special Marine Warning for...
- Coastal waters from Jupiter Inlet to Palm Beach FL out 10 NM...
- * Until 645 PM EDT.
- * At 550 PM EDT, a severe thunderstorm was located over Palm Beach Shores, moving north at 5 knots.
- HAZARD...Wind gusts 34 knots or greater and large hail.
- SOURCE...Radar.
- IMPACT...Small craft could be damaged in briefly high…
ⓘ News summary · read the original report for full context.
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