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🏛 Official alert Special Marine Warning Weather & disasters Serious

Special Marine Warning

N Issued by NWS Key West FL ⏳ In force until Sat 24 Oct, 10:15 📍 Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (approximate) 🕑 2 h ago
🌐 Translate: ·

SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas out 20 nm... * Until 315 AM EDT. * At 247 AM EDT, a strong thunderstorm was located near Tortugas Ecological Reserve South, moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist…

🗃 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 areaStraits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM
Issuing authorityNWS Key West FL
ContactNot supplied

🕓 Alert timing · EAT

Sent2026-10-24T02:47:00-04:00
Effective2026-10-24T02:47:00-04:00
Onset2026-10-24T02:47:00-04:00
Expires2026-10-24T03:15:00-04:00

📋 Official instructions

Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets.

📄 Message details

Alert identifierurn:oid:2.49.0.1.840.0.53c231f81b62561cc8ba40a65c8aff0557f46903.001.1
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.
  • Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets.
  • 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:
  • SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for...
  • Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas out 20 nm...
  • * Until 315 AM EDT.
  • * At 247 AM EDT, a strong thunderstorm was located near Tortugas Ecological Reserve South, moving west at 10 knots.
  • HAZARD...Wind gusts 34 knots or greater.
  • SOURCE...National Weather Service Meteorologist…
ⓘ News summary · read the original report for full context.

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