Alert archive / Florida / Small Craft Advisories in 2021

Small Craft Advisory 14, NWS Miami, FL

March 20, 2021

NWS Miami, FL issued this small craft advisory at Mar 20, 2021, 3:40 AM EDT. It took effect at Mar 20, 2021, 8:00 PM EDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Mar 20, 2021, 3:40 AM EDT (07:40 UTC)
In effect from
Mar 20, 2021, 8:00 PM EDT
Expired
Mar 24, 2021, 3:23 AM EDT
In force
3 days
Issued by
NWS Miami, FL

The text

As transmitted.

000 
WHUS72 KMFL 200740
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
340 AM EDT Sat Mar 20 2021

AMZ650-670-201545-
/O.NEW.KMFL.SC.Y.0014.210321T0000Z-210323T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
340 AM EDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT MONDAY...

* WHAT...Seas 6 to 9 feet expected.

* WHERE...Coastal waters from Jupiter Inlet to Deerfield Beach
  FL out 20 NM and Waters from Jupiter Inlet to Deerfield Beach
  FL from 20 to 60 NM.

* WHEN...From 8 PM this evening to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$

AMZ651-671-201545-
/O.NEW.KMFL.SC.Y.0014.210321T0600Z-210322T0000Z/
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
340 AM EDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT SUNDAY...

* WHAT...Seas 4 to 7 feet expected.

* WHERE...Coastal waters from Deerfield Beach to Ocean Reef FL
  out 20 NM and Waters from Deerfield Beach to Ocean Reef FL
  from 20 to 60 NM excluding the territorial waters of Bahamas.

* WHEN...From 2 AM to 8 PM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
9 follow-up statements
691 
WHUS72 KMFL 211902
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
302 PM EDT Sun Mar 21 2021

AMZ650-670-230000-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210323T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
302 PM EDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Seas 6 to 10 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$

AMZ651-671-220000-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210322T0000Z/
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
302 PM EDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Seas 4 to 7 feet.

* WHERE...Waters from Deerfield Beach to Ocean Reef FL from 20 
  to 60 NM excluding the territorial waters of Bahamas and 
  Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$

https://www.weather.gov/miami
065 
WHUS72 KMFL 220022
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
822 PM EDT Sun Mar 21 2021

AMZ651-671-220130-
/O.EXP.KMFL.SC.Y.0014.000000T0000Z-210322T0000Z/
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
822 PM EDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Small craft should still exercise caution with seas around 6 feet
and potentially higher at times.

$$

AMZ650-670-220830-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210323T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
822 PM EDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...West winds 5 to 10 kt with gusts up to 15 kt and seas 5 
  to 8 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
198 
WHUS72 KMFL 220732
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
332 AM EDT Mon Mar 22 2021

AMZ650-670-221545-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210323T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
332 AM EDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Seas 5 to 8 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
723 
WHUS72 KMFL 221656
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
1256 PM EDT Mon Mar 22 2021

AMZ650-670-230000-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210323T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
1256 PM EDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Seas 4 to 7 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
085 
WHUS72 KMFL 221957
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
357 PM EDT Mon Mar 22 2021


AMZ650-670-231200-
/O.EXT.KMFL.SC.Y.0014.000000T0000Z-210323T1200Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
357 PM EDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT TUESDAY...

* WHAT...Seas 4 to 7 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 AM EDT Tuesday morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$

https://www.weather.gov/miami
859 
WHUS72 KMFL 230728
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
328 AM EDT Tue Mar 23 2021

AMZ650-670-231530-
/O.EXT.KMFL.SC.Y.0014.000000T0000Z-210324T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
328 AM EDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Seas 4 to 7 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
325 
WHUS72 KMFL 231239
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
839 AM EDT Tue Mar 23 2021

AMZ650-670-240000-
/O.CON.KMFL.SC.Y.0014.000000T0000Z-210324T0000Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
839 AM EDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Seas 4 to 7 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
928 
WHUS72 KMFL 231955
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
355 PM EDT Tue Mar 23 2021

AMZ650-670-240800-
/O.EXT.KMFL.SC.Y.0014.000000T0000Z-210324T0800Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
355 PM EDT Tue Mar 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT WEDNESDAY...

* WHAT...South winds 5 to 10 kt with gusts up to 15 kt and seas 5
  to 7 feet.

* WHERE...Waters from Jupiter Inlet to Deerfield Beach FL from 
  20 to 60 NM and Coastal waters from Jupiter Inlet to Deerfield 
  Beach FL out 20 NM.

* WHEN...Until 4 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.  

A sudden onset of rough seas may cause hazardous conditions,
which may occur suddenly at jetties and inlets. These conditions
could catch boaters by surprise. Boaters should use caution when
entering or exiting the inlets and jetty areas.

&&

$$
955 
WHUS72 KMFL 240723
MWWMFL

URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
323 AM EDT Wed Mar 24 2021

AMZ650-670-240830-
/O.CAN.KMFL.SC.Y.0014.000000T0000Z-210324T0800Z/
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
323 AM EDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Wave heights in the northern Atlantic waters have fallen below 7
feet and will continue to subside throughout the day. Therefore
the Small Craft Advisory has been cancelled. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 2:40 PM EDTRip Current StatementMFLBroward, Miami-Dade, Palm Beach6 days

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.