Alert archive / Florida / Small Craft Advisories in 2021
Small Craft Advisory 21, NWS Key West, FL
NWS Key West, FL issued this small craft advisory at Apr 12, 2021, 10:44 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 10:44 AM EDT (14:44 UTC)
- Expired
- Apr 12, 2021, 5:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Key West, FL
The text
As transmitted.
488 WHUS72 KKEY 121444 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1044 AM EDT Mon Apr 12 2021 GMZ031>035-042>044-052>055-072>075-122100- /O.NEW.KKEY.SC.Y.0021.210412T1444Z-210412T2100Z/ Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- Gulf of Mexico 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- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- 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- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1044 AM EDT Mon Apr 12 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...South winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 7 feet, highest over the Florida Straits. * WHERE...Straits of Florida, Hawk Channel, Gulf waters including the Dry Tortugas, and Florida Bay. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
1 follow-up statement
921 WHUS72 KKEY 121733 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 133 PM EDT Mon Apr 12 2021 GMZ031>035-042-043-052-053-072-073-121845- /O.CAN.KKEY.SC.Y.0021.000000T0000Z-210412T2100Z/ Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 133 PM EDT Mon Apr 12 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... The National Weather Service in Key West has cancelled the Small Craft Advisory for Eastern Hawk Channel, the Eastern Straits of Florida, the Florida Bay, and the nearshore and offshore Gulf waters. Winds have decreased below advisory levels in these marine zones. However, small craft should still exercise caution in the nearshore bayside and gulfside waters. $$ GMZ044-054-055-074-075-122100- /O.CON.KKEY.SC.Y.0021.000000T0000Z-210412T2100Z/ Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 133 PM EDT Mon Apr 12 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT... * WHAT...South to southwest winds near 20 knots. * WHERE...Western Straits of Florida and Western Hawk Channel. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 8:12 PM EDT | Special Marine Warning | KEY | 63 min | |
| Apr 12, 1:19 AM EDT | Special Marine Warning | KEY | 56 min | |
| Apr 12, 2:11 AM EDT | Special Marine Warning | KEY | 50 min | |
| Apr 12, 5:31 AM EDT | Special Marine Warning | KEY | 59 min | |
| Apr 12, 6:25 AM EDT | Special Marine Warning | KEY | 65 min | |
| Apr 12, 6:32 AM EDT | Special Marine Warning | KEY | 58 min | |
| Apr 12, 7:04 AM EDT | Special Marine Warning | KEY | 26 min | |
| Apr 12, 7:19 AM EDT | Special Marine Warning | KEY | 18 min | |
| Apr 12, 7:28 AM EDT | Special Marine Warning | KEY | 62 min | |
| Apr 12, 7:34 AM EDT | Special Marine Warning | KEY | 56 min | |
| Apr 12, 7:43 AM EDT | Special Marine Warning | KEY | 47 min | |
| Apr 12, 8:32 AM EDT | Special Marine Warning | KEY | 43 min | |
| Apr 12, 8:40 AM EDT | Special Marine Warning | KEY | 35 min | |
| Apr 12, 9:16 AM EDT | Special Marine Warning | KEY | 29 min | |
| Apr 12, 9:45 AM EDT | Special Marine Warning | KEY | 30 min |
Nearby
Small Craft Advisories in Florida, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.