Alert archive / Texas / Small Craft Advisories in 2021

Small Craft Advisory 47, NWS Brownsville, TX

August 19, 2021

NWS Brownsville, TX issued this small craft advisory at Aug 19, 2021, 3:47 AM CDT. It took effect at Aug 20, 2021, 7:00 AM CDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 2021, 3:47 AM CDT (08:47 UTC)
In effect from
Aug 20, 2021, 7:00 AM CDT
Expired
Aug 22, 2021, 1:00 AM CDT
In force
42 hr
Issued by
NWS Brownsville, TX

The text

As transmitted.

170 
WHUS74 KBRO 190847
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
347 AM CDT Thu Aug 19 2021

GMZ150-155-170-175-191700-
/O.NEW.KBRO.SC.Y.0047.210820T1200Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
347 AM CDT Thu Aug 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM FRIDAY TO 7 PM CDT
SATURDAY...

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

* WHERE...Coastal waters from Port Mansfield to the Rio Grande 
  out 20 nm, Coastal waters from Baffin Bay to Port Mansfield 
  out 20 nm, Waters from Port Mansfield to the Rio Grande 
  extending from 20 to 60 nm and Waters from Baffin Bay to Port 
  Mansfield extending from 20 to 60 nm.

* WHEN...From 7 AM Friday to 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Large swells from Hurricane Grace will
  start moving towards the Lower Texas Coastline tonight and
  Friday. This will produce hazardous marine conditions across the
  lower Texas Gulf waters this weekend. Calmer marine conditions
  will return late Sunday and Monday as Grace moves inland over
  central Mexico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
11 follow-up statements
753 
WHUS74 KBRO 191649
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
1149 AM CDT Thu Aug 19 2021

GMZ150-155-170-175-200100-
/O.CON.KBRO.SC.Y.0047.210820T1200Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
1149 AM CDT Thu Aug 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO
7 PM CDT SATURDAY...

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

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...From 7 AM Friday to 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between
  Midnight Friday and Noon Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
635 
WHUS74 KBRO 191652 CCA
MWWBRO

URGENT - MARINE WEATHER MESSAGE...CORRECTED
National Weather Service Brownsville TX
1152 AM CDT Thu Aug 19 2021

GMZ150-155-170-175-200100-
/O.COR.KBRO.SC.Y.0047.210820T1200Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
1152 AM CDT Thu Aug 19 2021

Correction for Sea Heights

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO
7 PM CDT SATURDAY...

* WHAT...Seas 6 to 10 feet occasional seas to 12 feet. 

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...From 7 AM Friday to 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between
  Midnight Friday and Noon Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
670 
WHUS74 KBRO 192317
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
617 PM CDT Thu Aug 19 2021

GMZ150-155-170-175-200730-
/O.CON.KBRO.SC.Y.0047.210820T1200Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
617 PM CDT Thu Aug 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO
7 PM CDT SATURDAY...

* WHAT...Seas 7 to 10 feet expected.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...From 7 AM Friday to 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between
  Friday night and Noon Saturday. Occasional seas up to 12 feet
  are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Castillo/Reese
820 
WHUS74 KBRO 200725
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
225 AM CDT Fri Aug 20 2021

GMZ150-155-170-175-201530-
/O.CON.KBRO.SC.Y.0047.210820T1200Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
225 AM CDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 7 PM CDT SATURDAY...

* WHAT...Seas 7 to 10 feet expected.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...From 7 AM Friday to 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between 
  Friday night and Noon Saturday. Occasional seas up to 12 feet 
  are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
669 
WHUS74 KBRO 201439
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
939 AM CDT Fri Aug 20 2021

GMZ150-155-170-175-202245-
/O.CON.KBRO.SC.Y.0047.000000T0000Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
939 AM CDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...Seas 6 to 9 feet.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between 
  Friday night and Noon Saturday. Occasional seas up to 12 feet 
  are possible..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
504 
WHUS74 KBRO 202021
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
321 PM CDT Fri Aug 20 2021

GMZ150-155-170-175-210430-
/O.CON.KBRO.SC.Y.0047.000000T0000Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
321 PM CDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...Seas 6 to 10 feet.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected between
  tonight and Noon Saturday. Occasional seas up to 12 feet are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Castillo/Reese
740 
WHUS74 KBRO 210238
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
938 PM CDT Fri Aug 20 2021

GMZ150-155-170-175-211045-
/O.CON.KBRO.SC.Y.0047.000000T0000Z-210822T0000Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
938 PM CDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* WHAT...Seas 6 to 10 feet.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 7 PM CDT Saturday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected to
  continue for the rest of tonight through Noon Saturday. 
  Occasional seas up to 12 feet are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Castillo/Reese
184 
WHUS74 KBRO 210857
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
357 AM CDT Sat Aug 21 2021

GMZ150-155-170-175-211700-
/O.EXT.KBRO.SC.Y.0047.000000T0000Z-210822T0600Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
357 AM CDT Sat Aug 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM CDT SUNDAY...

* WHAT...Seas 6 to 10 feet.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 1 AM CDT Sunday.

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

* ADDITIONAL DETAILS...Fully developed seas are expected to
  continue into this afternoon. Occasional seas up to 12 feet are
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
430 
WHUS74 KBRO 211626
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
1126 AM CDT Sat Aug 21 2021

GMZ150-155-170-175-220030-
/O.CON.KBRO.SC.Y.0047.000000T0000Z-210822T0600Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
1126 AM CDT Sat Aug 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT SUNDAY...

* WHAT...Seas 6 to 10 feet.

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 1 AM CDT Sunday.

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

* ADDITIONAL DETAILS...Occasional seas up to 12 feet are possible
  beyond 20 nm this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

53
967 
WHUS74 KBRO 212055 AAA
MWWBRO

URGENT - MARINE WEATHER MESSAGE...UPDATED
National Weather Service Brownsville TX
355 PM CDT Sat Aug 21 2021

GMZ150-155-170-175-220600-
/O.CON.KBRO.SC.Y.0047.000000T0000Z-210822T0600Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
355 PM CDT Sat Aug 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT SUNDAY...

* WHAT...Seas 5 to 7 feet with occasional seas up to 8 feet
  nearshore, and seas 6 to 8 feet with occasional seas up to 9
  feet offshore. 

* WHERE...Waters from Port Mansfield to the Rio Grande extending 
  from 20 to 60 nm, Coastal waters from Baffin Bay to Port 
  Mansfield out 20 nm, Waters from Baffin Bay to Port Mansfield 
  extending from 20 to 60 nm and Coastal waters from Port 
  Mansfield to the Rio Grande out 20 nm.

* WHEN...Until 1 AM CDT 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.

&&

$$
957 
WHUS74 KBRO 220603
MWWBRO

URGENT - MARINE WEATHER MESSAGE
National Weather Service Brownsville TX
103 AM CDT Sun Aug 22 2021

GMZ150-155-170-175-220715-
/O.EXP.KBRO.SC.Y.0047.000000T0000Z-210822T0600Z/
Coastal waters from Port Mansfield to the Rio Grande out 20 nm-
Coastal waters from Baffin Bay to Port Mansfield out 20 nm-
Waters from Port Mansfield to the Rio Grande extending from 20 to
60 nm-
Waters from Baffin Bay to Port Mansfield extending from 20 to
60 nm-
103 AM CDT Sun Aug 22 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Sea heights have lowered to below advisory criteria. Small craft 
should continue to exercise caution across the Gulf waters into 
tonight.

$$

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 3:37 AM CDTRip Current StatementBROKenedy4 days
Aug 19, 2:09 PM CDTHigh Surf AdvisoryBROKenedy53 hr

Nearby

Small Craft Advisories in Texas, 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.