Warning Vector

Special Marine Warning

NWS Key West FL ยท US

New

Details

Special Marine Warning Issued October 1 At 6:07AM EDT Until October 1 At 7:00AM EDT By NWS Key West FL

Event
Special Marine Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Hawk Channel and Straits of Florida from Craig Key to Halfmoon Shoal out 60 nm... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... * Until 700 AM EDT. * At 607 AM EDT, a strong thunderstorm was located 14 nm south of Looe Key Light, moving northwest at 25 knots.

Hazard

Wind gusts 34 knots or greater.

Source

National Weather Service Meteorologist.

Impacts

Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Big Pine Shoal, Annette Key, Howe Key, Big Munson Island, Raccoon Key, Little Pine Key, and Snipe Point.

Instructions

Boaters should seek safe harbor as quickly, and as safely as possible. When downpours reduce visibility, slow down. 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.

Affected areas

  • Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge
  • Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
  • Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef
  • Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
  • Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM
  • Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM
  • Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out
  • Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out

Public contact

Issuer
NWS Key West FL

Message record

Received
Issue to receipt
~22s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M3VEXMNYY1PBDQGWSFTWV6HK
Identifier
urn:oid:2.49.0.1.840.0.1403d582449878887d3ed0a0346232ebce8fc247.001.1
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Key West FL
AWIPS ID
CAPKEY
NWWS sequence
nwws_processor.7375
WMO heading
XOUS52
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
52

Event codes

NameValue
SAMESMW
NationalWeatherServiceMAW

Parameters

NameValue
AWIPSidentifierSMWKEY
WMOidentifierWHUS52 KKEY 011007
eventMotionDescription2026-10-01T10:07:00-00:00...storm...141DEG...27KT...24.32,-81.33
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KKEY.MA.W.0306.261001T1007Z-261001T1100Z/
eventEndingTime2026-10-01T07:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge
  • Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
  • Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef
  • Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
  • Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM
  • Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM
  • Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out
  • Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out
NameValue
SAME077032
SAME077035
SAME077043
SAME077044
SAME077053
SAME077054
SAME077073
SAME077074
UGCGMZ032
UGCGMZ035
UGCGMZ043
UGCGMZ044
UGCGMZ053
UGCGMZ054
UGCGMZ073
UGCGMZ074
Polygons
24.09,-81.28 24.56,-81.68 24.58,-81.65 24.58,-81.67 24.59,-81.68 24.6,-81.67 24.61,-81.73 24.68,-81.78 24.93,-81.26 24.72,-81.1 24.71,-81.12 24.71,-81.09 24.7,-81.09 24.7,-81.12 24.69,-81.08 24.34,-80.82 24.09,-81.28