Alert archive / Florida / Small Craft Advisories in 2024

Small Craft Advisory 21, NWS Key West, FL

March 28, 2024

NWS Key West, FL issued this small craft advisory at Mar 28, 2024, 4:16 AM EDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Mar 28, 2024, 4:16 AM EDT (08:16 UTC)
Expired
Mar 29, 2024, 4:26 PM EDT
In force
36 hr
Issued by
NWS Key West, FL

The text

As transmitted.

670 
WHUS72 KKEY 280816
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
416 AM EDT Thu Mar 28 2024

GMZ033-034-281630-
/O.NEW.KKEY.SC.Y.0021.240328T0816Z-240329T0900Z/
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-
416 AM EDT Thu Mar 28 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...South winds 15 to 20 knots, becoming northwest 20 to 25
  knots with gusts up to 30 knots and seas building to 6 to 9 ft 
  expected.

* 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.

&&

$$
6 follow-up statements
832 
WHUS72 KKEY 281415
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
1015 AM EDT Thu Mar 28 2024

GMZ031-032-035-042>044-052>055-072>075-282215-
/O.EXA.KKEY.SC.Y.0021.000000T0000Z-240329T0900Z/
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-
1015 AM EDT Thu Mar 28 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...South to southwest winds near 20 knots, becoming west to
  northwest and increasing to 20 to 25 knots with gusts up to 30
  kt and seas building to 6 to 9 ft.

* 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.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced boaters, especially those with smaller vessels,
should avoid operating in these conditions.

&&

$$

GMZ033-034-282215-
/O.CON.KKEY.SC.Y.0021.000000T0000Z-240329T0900Z/
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-
1015 AM EDT Thu Mar 28 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...South to southwest winds near 20 knots, becoming west to
  northwest and increasing to 20 to 25 knots with gusts up to 30 
  knots and seas building to 6 to 9 ft expected.

* 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.

&&

$$

DP
943 
WHUS72 KKEY 282021
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
421 PM EDT Thu Mar 28 2024

GMZ031>035-042>044-052>055-072>075-290430-
/O.CON.KKEY.SC.Y.0021.000000T0000Z-240329T0900Z/
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-
421 PM EDT Thu Mar 28 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...West to northwest winds near 25 knots with gusts of 30 to
  35 knots and seas of 6 to 9 ft.

* 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.

&&

$$
365 
WHUS72 KKEY 290225
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
1025 PM EDT Thu Mar 28 2024

GMZ031>035-042>044-052>055-072>075-290900-
/O.CON.KKEY.SC.Y.0021.000000T0000Z-240329T0900Z/
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-
1025 PM EDT Thu Mar 28 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...Northwest to north winds 20 to 25 knots with gusts of up
  to 30 knots and seas of 6 to 8 ft.

* 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.

&&

$$
538 
WHUS72 KKEY 290826
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
426 AM EDT Fri Mar 29 2024

GMZ031>035-042>044-052>055-072>075-291500-
/O.EXT.KKEY.SC.Y.0021.000000T0000Z-240329T1500Z/
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-
426 AM EDT Fri Mar 29 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...North to northeast winds near 20 knots. Seas up to 7 
  feet in the Straits of Florida.

* 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.

&&

$$
149 
WHUS72 KKEY 291429
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
1029 AM EDT Fri Mar 29 2024

GMZ031>035-042>044-291530-
/O.CAN.KKEY.SC.Y.0021.000000T0000Z-240329T1500Z/
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-
1029 AM EDT Fri Mar 29 2024

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds have fallen below Small Craft Advisory thresholds for the 
Florida Bay, Bayside and Gulfside waters, Hawk Channel, and the
southeastern Gulf of Mexico, including the Dry Tortugas.
Therefore, the Small Craft Advisory has been cancelled for these
marine zones. However, small craft should continue to exercise 
caution in these zones until winds decrease.

$$

GMZ052>055-072>075-292100-
/O.EXT.KKEY.SC.Y.0021.000000T0000Z-240329T2100Z/
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-
1029 AM EDT Fri Mar 29 2024

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...North to northeast winds near 20 knots. Seas up to 7 
  feet in the Straits of Florida.

* 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.

&&

$$

BT
699 
WHUS72 KKEY 292026
MWWKEY

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
426 PM EDT Fri Mar 29 2024

GMZ052>055-072>075-292130-
/O.CAN.KKEY.SC.Y.0021.000000T0000Z-240329T2100Z/
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-
426 PM EDT Fri Mar 29 2024

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and seas have fallen below Small Craft Advisory thresholds 
for the Straits of FLorida. Therefore, the Small Craft Advisory 
has been cancelled. However, small craft should continue to 
exercise caution in the Straits of Florida for northeast to east
winds 15 to 20 knots and seas up to 6 feet.

$$

BT

The office that day

Everything else NWS Key West, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 2:21 AM EDTSpecial Marine WarningKEY39 min
Mar 28, 2:57 AM EDTSpecial Marine WarningKEY37 min
Mar 28, 3:32 AM EDTSpecial Marine WarningKEY43 min
Mar 28, 4:09 AM EDTSpecial Marine WarningKEY51 min
Mar 28, 4:58 AM EDTSpecial Marine WarningKEY47 min
Mar 28, 5:42 AM EDTSpecial Marine WarningKEY48 min
Mar 28, 7:12 AM EDTSpecial Marine WarningKEY48 min

Nearby

Small Craft Advisories in Florida, 2024Every small craft advisory in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.