Alert archive / Florida / Small Craft Advisories in 2021
Small Craft Advisory 31, NWS Key West, FL
NWS Key West, FL issued this small craft advisory at Aug 25, 2021, 4:17 AM EDT. It took effect at Aug 25, 2021, 11:00 AM EDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2021, 4:17 AM EDT (08:17 UTC)
- In effect from
- Aug 25, 2021, 11:00 AM EDT
- Expired
- Aug 26, 2021, 4:19 AM EDT
- In force
- 17 hr
- Issued by
- NWS Key West, FL
The text
As transmitted.
947 WHUS72 KKEY 250817 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 417 AM EDT Wed Aug 25 2021 GMZ031-032-035-042>044-052>055-072>075-252100- /O.NEW.KKEY.SC.Y.0031.210825T1500Z-210826T0900Z/ 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- 417 AM EDT Wed Aug 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Northeast to east winds increasing to near 20 kt. Seas building to 5 to 7 feet in the Straits of Florida. * WHERE...Straits of Florida, Hawk Channel, and Florida Bay and the nearshore Gulf waters. * 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. && $$
4 follow-up statements
652 WHUS72 KKEY 251301 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 901 AM EDT Wed Aug 25 2021 GMZ033-034-252100- /O.EXA.KKEY.SC.Y.0031.210825T1500Z-210826T0900Z/ Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- 901 AM EDT Wed Aug 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Northeast to east winds increasing to near 20 kt. Seas building to 5 to 7 feet in the Straits of Florida. * WHERE...Gulf waters beyond 5 fathoms including the Dry Tortugas. * WHEN...In Effect. * IMPACTS...A Small Craft Advisory means that wind speeds of 20 to 33 knots, or seas of 7 feet or greater, are expected to produce hazardous conditions for small craft. These hazardous conditions may result in poor vessel handling and steering response, broaching, overturned dinghies and kayaks, slips and falls on slippery decks, rub damage along docks and seawalls, swamped bows at reef tract mooring balls, and dragging anchors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced boaters, especially those with smaller vessels, should avoid operating in these conditions. && $$ GMZ031-032-035-042>044-052>055-072>075-252100- /O.CON.KKEY.SC.Y.0031.210825T1500Z-210826T0900Z/ 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- 901 AM EDT Wed Aug 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Northeast to east winds increasing to near 20 kt. Seas building to 5 to 7 feet in the Straits of Florida. * WHERE...Straits of Florida, Hawk Channel, and Florida Bay and the nearshore Gulf waters. * 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. && $$
349 WHUS72 KKEY 252031 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 431 PM EDT Wed Aug 25 2021 GMZ031>035-042>044-052>055-072>075-260445- /O.CON.KKEY.SC.Y.0031.000000T0000Z-210826T0900Z/ 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- 431 PM EDT Wed Aug 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Northeast to east winds near 20 knots and seas of to 5 to 7 feet in the Straits of Florida. * WHERE...Straits of Florida, Hawk Channel, Florida Bay and the nearshore and offshore Gulf waters. * 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. && $$
378 WHUS72 KKEY 260226 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 1026 PM EDT Wed Aug 25 2021 GMZ031>035-042>044-052>055-072>075-260900- /O.CON.KKEY.SC.Y.0031.000000T0000Z-210826T0900Z/ 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- 1026 PM EDT Wed Aug 25 2021 ...SMALL CRAFT ADVISORY IN EFFECT... * WHAT...Northeast to east winds near 20 knots and seas of to 5 to 7 feet in the Straits of Florida. * WHERE...Straits of Florida, Hawk Channel, Florida Bay and the nearshore and offshore Gulf waters. * 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. && $$ NB
155 WHUS72 KKEY 260819 MWWKEY URGENT - MARINE WEATHER MESSAGE National Weather Service Key West FL 419 AM EDT Thu Aug 26 2021 GMZ031>035-042>044-052>055-072>075-260930- /O.CAN.KKEY.SC.Y.0031.000000T0000Z-210826T0900Z/ Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- Bayside and Gulf side from Craig Key to west end of Seven Mile Bridge- Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms- Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel- Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out- 419 AM EDT Thu Aug 26 2021 ...SMALL CRAFT ADVISORY IS CANCELLED... Small craft should exercise caution across all waters to the west of Seven Mile Bridge today, due to east to southeast winds of 15 to 20 knots, and seas up to 6 feet in the Straits of Florida. $$
The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 5:06 AM EDT | Special Marine Warning | KEY | 24 min | |
| Aug 25, 5:27 AM EDT | Special Marine Warning | KEY | 33 min | |
| Aug 25, 5:53 AM EDT | Special Marine Warning | KEY | 67 min | |
| Aug 25, 6:58 AM EDT | Special Marine Warning | KEY | 32 min | |
| Aug 25, 7:26 AM EDT | Special Marine Warning | KEY | 34 min | |
| Aug 25, 10:19 AM EDT | Special Marine Warning | KEY | 56 min | |
| Aug 25, 11:07 AM EDT | Special Marine Warning | KEY | 53 min | |
| Aug 25, 11:54 AM EDT | Special Marine Warning | KEY | 66 min | |
| Aug 25, 12:21 PM EDT | Special Marine Warning | KEY | 54 min | |
| Aug 25, 12:52 PM EDT | Special Marine Warning | KEY | 68 min | |
| Aug 25, 12:54 PM EDT | Special Marine Warning | KEY | 66 min | |
| Aug 25, 1:52 PM EDT | Special Marine Warning | KEY | 53 min | |
| Aug 25, 2:12 PM EDT | Special Marine Warning | KEY | 63 min | |
| Aug 25, 2:39 PM EDT | Special Marine Warning | KEY | 66 min | |
| Aug 25, 7:01 PM EDT | Special Marine Warning | KEY | 29 min | |
| Aug 25, 7:03 PM EDT | Special Weather Statement | KEY | 27 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.