Alert archive / Florida / Small Craft Advisories in 2021
Small Craft Advisory 29, NWS Key West, FL
NWS Key West, FL issued this small craft advisory at Aug 17, 2021, 6:48 PM EDT. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 2021, 6:48 PM EDT (22:48 UTC)
- Expired
- Aug 19, 2021, 4:04 AM EDT
- In force
- 33 hr
- Issued by
- NWS Key West, FL
The text
As transmitted.
704 WHUS72 KKEY 172248 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 648 PM EDT Tue Aug 17 2021 GMZ054-055-074-075-180700- /O.NEW.KKEY.SC.Y.0029.210817T2248Z-210819T0300Z/ 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- 648 PM EDT Tue Aug 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds near 20 knots and seas 5 to 8 feet. * WHERE...Lower 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. && $$
7 follow-up statements
172 WHUS72 KKEY 180238 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1038 PM EDT Tue Aug 17 2021 GMZ054-055-074-075-181045- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1038 PM EDT Tue Aug 17 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds near 20 knots and seas 5 to 8 feet. * WHERE...Straits of Florida west of the Seven Mile Bridge. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
694 WHUS72 KKEY 180551 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 151 AM EDT Wed Aug 18 2021 GMZ043-044-053-073-181400- /O.EXB.KKEY.SC.Y.0029.000000T0000Z-210818T1500Z/ 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 Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 151 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds near 20 knots and seas 4 to 7 feet across the Straits of Florida. * WHERE...Hawk Channel from Craig Key to Halfmoon Shoal, Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM, and Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out. * 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. && $$ GMZ054-055-074-075-181400- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 151 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds near 20 knots and seas 5 to 8 feet. * WHERE...Lower Straits of Florida. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
543 WHUS72 KKEY 180817 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 417 AM EDT Wed Aug 18 2021 GMZ043-044-053-073-181500- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210818T1500Z/ 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 Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 417 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds near 20 knots and seas 3 to 6 feet. * WHERE...Hawk Channel from Craig Key to Halfmoon Shoal, Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM, and Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out. * 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. && $$ GMZ054-055-074-075-181630- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 417 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds around 20 kt with gusts up to 25 kt and seas 5 to 7 feet. * WHERE...Lower Straits of Florida. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
016 WHUS72 KKEY 181516 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1116 AM EDT Wed Aug 18 2021 GMZ043-044-053-073-181630- /O.EXP.KKEY.SC.Y.0029.000000T0000Z-210818T1500Z/ 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 Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 1116 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds have fallen below Small Craft Advisory criteria. However, small craft should continue to exercise caution through this evening until winds and seas subside. $$ GMZ054-055-074-075-190300- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1116 AM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds around 20 kt with gusts up to 25 kt and seas 5 to 7 feet. * WHERE...Lower Straits of Florida. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
910 WHUS72 KKEY 182103 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 503 PM EDT Wed Aug 18 2021 GMZ035-044-190300- /O.EXA.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 503 PM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds around 20 kt. * WHERE...Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal, and Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms. * 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. && $$ GMZ054-055-074-075-190300- /O.CON.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 503 PM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds around 20 kt and seas of 5 to 7 feet in the gulf stream. * WHERE...Lower Straits of Florida. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
219 WHUS72 KKEY 190239 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1039 PM EDT Wed Aug 18 2021 GMZ035-044-190345- /O.CAN.KKEY.SC.Y.0029.000000T0000Z-210819T0300Z/ Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1039 PM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds have slowly trended down through the evening as Hurricane Grace continues to move further away from Keys waters. Winds have fallen to 20 knots or below and the Small Craft Advisory for western Hawk Channel and shallow gulf waters have been canceled. $$ GMZ054-055-074-075-190900- /O.EXT.KKEY.SC.Y.0029.000000T0000Z-210819T0900Z/ Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 1039 PM EDT Wed Aug 18 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...East winds around 20 kt and seas of 5 to 7 feet in the gulf stream. * WHERE...Lower Straits of Florida. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$
815 WHUS72 KKEY 190804 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 404 AM EDT Thu Aug 19 2021 GMZ054-055-074-075-190915- /O.CAN.KKEY.SC.Y.0029.000000T0000Z-210819T0900Z/ 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- 404 AM EDT Thu Aug 19 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and seas have subsided below Small Craft Advisory, however Small Craft should continue to exercise caution through this morning, until winds further decrease. $$
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.