Alert archive / Florida / Small Craft Advisories in 2021
Small Craft Advisory 7, NWS Key West, FL
NWS Key West, FL issued this small craft advisory at Jan 27, 2021, 4:01 PM EST. It took effect at Jan 28, 2021, 4:00 AM EST. It was in force for 35 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2021, 4:01 PM EST (21:01 UTC)
- In effect from
- Jan 28, 2021, 4:00 AM EST
- Expired
- Jan 29, 2021, 3:22 PM EST
- In force
- 35 hr
- Issued by
- NWS Key West, FL
The text
As transmitted.
060 WHUS72 KKEY 272101 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 401 PM EST Wed Jan 27 2021 GMZ033-034-280515- /O.NEW.KKEY.SC.Y.0007.210128T0900Z-210129T1000Z/ 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- 401 PM EST Wed Jan 27 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Winds will shift out of the north and abruptly increase to near 25 knots early Thursday morning. Frequent gusts up to 30 knots are expected. Seas will build to 5 to 10 feet. * WHERE...Gulf waters beyond 5 fathoms including the Dry Tortugas. * 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. * ADDITIONAL DETAILS...A strong cold front will pass the deep waters of the southeast Gulf early Thursday morning, followed by an abrupt increase in winds speeds. Mariners be ready for this rapid change in the weather. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
6 follow-up statements
633 WHUS72 KKEY 280319 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1019 PM EST Wed Jan 27 2021 GMZ031-032-035-042>044-052>055-072>075-280930- /O.EXA.KKEY.SC.Y.0007.210128T0900Z-210129T1000Z/ 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 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- 1019 PM EST Wed Jan 27 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Winds will shift out of the north and abruptly increase to between 20 and 25 knots Thursday morning. Frequent gusts up to 30 knots are expected over portions of the Straits of Florida. Seas will build to 5 to 10 feet in deep water. * WHERE...Extreme southeastern Gulf of Mexico, Florida Bay, Hawk Channel, and the Straits of Florida. * 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. * ADDITIONAL DETAILS...A cold front will sweep across Florida Keys coastal waters Thursday morning, followed by an abrupt increase in winds speeds. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$ GMZ033-034-280930- /O.CON.KKEY.SC.Y.0007.210128T0900Z-210129T1000Z/ 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- 1019 PM EST Wed Jan 27 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Winds will shift out of the north and abruptly increase to near 25 knots early Thursday morning. Frequent gusts up to 30 knots are expected. Seas will build to 5 to 10 feet. * WHERE...Gulf waters beyond 5 fathoms including the Dry Tortugas. * 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. * ADDITIONAL DETAILS...A strong cold front will pass the deep waters of the southeast Gulf early Thursday morning, followed by an abrupt increase in winds speeds. Mariners be ready for this rapid change in the weather. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$ Kasper
205 WHUS72 KKEY 280910 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 410 AM EST Thu Jan 28 2021 GMZ031>035-042>044-052>055-072>075-281530- /O.CON.KKEY.SC.Y.0007.000000T0000Z-210129T1000Z/ 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- 410 AM EST Thu Jan 28 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Winds will shift out of the north and abruptly increase to between 20 and 25 knots this morning. Frequent gusts up to 30 knots are expected over portions of the Straits of Florida. Seas will build to 7 to 10 feet in deep water. * WHERE...Extreme southeastern Gulf of Mexico, Florida Bay, Hawk Channel, and the Straits of Florida. * 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. && $$ CLR
776 WHUS72 KKEY 282133 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 433 PM EST Thu Jan 28 2021 GMZ031>035-042>044-052>055-072>075-291000- /O.CON.KKEY.SC.Y.0007.000000T0000Z-210129T1000Z/ 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- 433 PM EST Thu Jan 28 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...North to northeast winds 20 to 25 knots are expected over the coastal waters tonight with occasional gusts near 35 knots are expected over the Straits of Florida. Seas will continue to build to 6 to 10 feet in deep water. * WHERE...Extreme southeastern Gulf of Mexico, Florida Bay, Hawk Channel, and the Straits of Florida. * 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. && $$
559 WHUS72 KKEY 290927 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 427 AM EST Fri Jan 29 2021 GMZ031>035-042>044-052>055-072>075-291545- /O.EXT.KKEY.SC.Y.0007.000000T0000Z-210130T1000Z/ 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- 427 AM EST Fri Jan 29 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...North to northeast winds near 20 knots early this morning will diminish after sunrise. Seas as high as 7 to 9 feet across the Straits of Florida and the deeper waters of the southeastern Gulf of Mexico will diminish this morning. * WHERE...Extreme southeastern Gulf of Mexico, Florida Bay, Hawk Channel, and the Straits of Florida. * 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. && $$ CLR
121 WHUS72 KKEY 291519 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1019 AM EST Fri Jan 29 2021 GMZ031>035-042>044-291630- /O.CAN.KKEY.SC.Y.0007.000000T0000Z-210130T1000Z/ 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- 1019 AM EST Fri Jan 29 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds have eased below 20 knots. However, small craft should exercise caution until winds decrease further. $$ GMZ052>055-072>075-292330- /O.CON.KKEY.SC.Y.0007.000000T0000Z-210130T1000Z/ Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1019 AM EST Fri Jan 29 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Seas as high as 7 feet over the distant Straits of Florida. Northeast to east winds 15 to 20 knots. * WHERE...The Straits of Florida beyond the reef. * WHEN...In effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
201 WHUS72 KKEY 292022 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 322 PM EST Fri Jan 29 2021 GMZ052>055-072>075-292130- /O.CAN.KKEY.SC.Y.0007.000000T0000Z-210130T1000Z/ 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- 322 PM EST Fri Jan 29 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Seas have subsided below 7 feet. However, small craft should exercise caution. A new Small Craft Advisory will likely be required on Saturday. $$
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.