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🏛 Official alert Special Marine Warning Weather & disasters Serious

Special Marine Warning

N Issued by NWS Miami FL ⏳ In force until Sat 24 Oct, 02:30 📍 Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM (approximate) 🕑 9 h ago
🌐 Translate: ·

For the following areas... Coastal waters from Jupiter Inlet to Riviera Beach FL out 10 NM... At 640 PM EDT, a severe thunderstorm capable of producing waterspouts was located near North Palm Beach, or near Juno Beach, moving north at 5 to 10 knots. HAZARD...Waterspouts, wind gusts 34 knots or greater, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and cr…

🗃 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 ▾
⚠
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

Sent2026-10-23T18:40:00-04:00
Effective2026-10-23T18:40:00-04:00
Onset2026-10-23T18:40:00-04:00
Expires2026-10-23T19:30:00-04:00

📋 Official instructions

Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, small 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.dc8181fd33d7f53ccf124c4b4f1ed3a117c30256.001.1
Message typeUpdate
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.840.0.e5db15675f62934b1ab41092ef9d9dbff018bdff.001.1
ⓘ CAP fields populate when an official alert is linked.

🛡 Safety advice

General guidance for this type of incident - not official instructions.
  • Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, small 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:
  • For the following areas...
  • Coastal waters from Jupiter Inlet to Riviera Beach FL out 10 NM...
  • At 640 PM EDT, a severe thunderstorm capable of producing waterspouts was located near North Palm Beach, or near Juno Beach, moving north at 5 to 10 knots.
  • HAZARD...Waterspouts, wind gusts 34 knots or greater, and small hail.
  • SOURCE...Radar indicated.
  • IMPACT...Waterspouts can easily overturn boats and cr…
ⓘ News summary · read the original report for full context.

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