NOAA NWS / Event history
Special Marine Warning issued October 17 at 7:51PM EDT until October 17 at 8:30PM EDT by NWS Key West FL
Special Marine Warning · Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms. Severe; likely; urgency: immediate.
- Bulletin issued
- 17 October 2026 at 23:51 UTC
- First saved by us
- 18 October 2026 at 00:02 UTC
- Last included in a daily record
- 18 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
- Source classification
- Severe · Source alert
A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.
- Issuer / area
- NWS Key West FL · Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
- Certainty / urgency
- Likely / Immediate
- Message expiry (not hazard end)
- 18 October 2026 at 00:30 UTC
- Forecast onset / end
- 17 October 2026 at 23:51 UTC / 18 October 2026 at 00:30 UTC
Archived official description
SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... * Until 830 PM EDT. * At 751 PM EDT, a strong thunderstorm was located near Gulfside 10 Reef, moving east at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Gulfside 10 Reef, Gulfside 8 Reef, and Gulfside 9 Reef.
Instructions in this archived message
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.
The saved record
What changed
0 updates · 1 first record
Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.
First saved record · 18 October 2026 at 00:02 UTC
Saved by us
Starting point
First saved record
Our first saved version of Special Marine Warning issued October 17 at 7:51PM EDT until October 17 at 8:30PM EDT by NWS Key West FL. We have no earlier saved version to compare.
Bulletin issued: 17 October 2026 at 23:51 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:3c1640e7739b1db6f12f6d2d", "authorityId": "urn:oid:2.49.0.1.840.0.14730cc7dab8526cb5a32bc35bd82725e39642de.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Special Marine Warning issued October 17 at 7:51PM EDT until October 17 at 8:30PM EDT by NWS Key West FL", "eventType": "Special Marine Warning", "occurredAt": "2026-10-17T23:51:00.000Z", "issuedAt": "2026-10-17T23:51:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-17T23:51:00.000Z", "onsetAt": "2026-10-17T23:51:00.000Z", "expiresAt": "2026-10-18T00:30:00.000Z", "forecastEndAt": "2026-10-18T00:30:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Likely", "messageType": "Alert", "status": "Source alert", "place": "Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms", "coordinates": null, "issuer": "NWS Key West FL", "summary": "Special Marine Warning · Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms. Severe; likely; urgency: immediate.", "description": "SMWKEY\n\nThe National Weather Service in Key West has issued a\n\n* Special Marine Warning for...\nBay and Gulf Side from Craig Key to Halfmoon Shoal out to 5\nfathoms...\nGulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and\nbeyond 5 fathoms...\n\n* Until 830 PM EDT.\n\n* At 751 PM EDT, a strong thunderstorm was located near Gulfside 10\nReef, moving east at 10 knots.\n\nHAZARD...Wind gusts 34 knots or greater.\n\nSOURCE...National Weather Service Meteorologist.\n\nIMPACT...Expect wind gusts in excess of 34 knots, suddenly higher\nwaves, frequent lightning, and heavy downpours.\n\n* Locations in the warning include...\nGulfside 10 Reef, Gulfside 8 Reef, and Gulfside 9 Reef.", "instruction": "Boaters should seek safe harbor as quickly, and as safely as\npossible. When downpours reduce visibility, slow down.\n\nPrepare for wind gusts in excess of 34 knots, steep and fast-building\nseas, frequent lightning, and blinding downpours. Stay low or go\nbelow, and make sure all on board are wearing life jackets.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.14730cc7dab8526cb5a32bc35bd82725e39642de.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.