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Marine Weather Statement — Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge

Archived or monitoring report. This is not a current active alert. Check the original agency for current conditions.

Structured official-source report · Published Sep 21, 3:44 PM UTC · Updated Sep 21, 4:41 PM UTC
INFO · expired

Latest status

The areas affected include... Hawk Channel from Ocean Reef to Halfmoon Shoal out to the reef... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 nm... At 1241 PM EDT, National Weather Service meteorologists detected a line of thunderstorms, capable of producing wind gusts near 30 knots. These thunderstorms were located along a line extending from 7 nm north of Horseshoe Key to Lignumvitae Key, moving northeast at 10 knots. Locations that will be affected include... Tavernier Creek, Dump Keys, Bonefish Tower, Twin Keys, Money Key, End Key and Bradley Key. Environmental conditions favor waterspout formation. A waterspout would most likely appear beneath a dark, flat bottom of a building cumulus line, just at the hint of rain. If you see a waterspout, stay away, and call in the report to your Florida Keys National Weather Service, at 3 0 5 2 9 5 1 3 1 6 extension 3.

Where it happened

Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; 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; Hawk Channel from Ocean Reef to Craig Key out to the reef; 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 Ocean Reef to Craig Key out 20 NM; Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM · 25.106°, -80.807°

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Latest reported details

official severity
Minor
urgency
Expected
certainty
Observed
event
Marine Weather Statement
areas
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; 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; Hawk Channel from Ocean Reef to Craig Key out to the reef; 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

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.

What happens next

Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.

Incident timeline

Sep 21, 4:41 PM UTC · nws

The areas affected include... Hawk Channel from Ocean Reef to Halfmoon Shoal out to the reef... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 nm... At 1241 PM EDT, National Weather Service meteorologists detected a line of thunderstorms, capable of producing wind gusts near 30 knots. These thunderstorms were located along a line extending from 7 nm north of Horseshoe Key to Lignumvitae Key, moving northeast at 10 knots. Locations that will be affected include... Tavernier Creek, Dump Keys, Bonefish Tower, Twin Keys, Money Key, End Key and Bradley Key. Environmental conditions favor waterspout formation. A waterspout would most likely appear beneath a dark, flat bottom of a building cumulus line, just at the hint of rain. If you see a waterspout, stay away, and call in the report to your Florida Keys National Weather Service, at 3 0 5 2 9 5 1 3 1 6 extension 3.

Sep 21, 3:40 PM UTC · nws

The areas affected include... Hawk Channel and Straits of Florida from Ocean Reef to west end of Seven Mile Bridge out 20 nm... Bay and Gulf Side from Craig Key to Halfmoon Shoal out to 5 fathoms... Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef... At 1138 AM EDT, National Weather Service meteorologists detected a line of thunderstorms, capable of producing wind gusts near 30 knots. These thunderstorms were located along a line extending from 8 nm northeast of Gulfside 8 Reef to NEAR Annette Key, moving northeast at 10 knots. Locations that will be affected include... Gulfside 10 Reef, Annette Key, Tavernier Creek, Dump Keys, Howe Key, Bonefish Tower and Twin Keys. Environmental conditions favor waterspout formation. A waterspout would most likely appear beneath a dark, flat bottom of a building cumulus line, just at the hint of rain. If you see a waterspout, stay away, and call in the report to your Florida Keys National Weather Service, at 3 0 5 2 9 5 1 3 1 6 extension 3.

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