Alert archive / Alabama / Small Craft Advisories in 2021

Small Craft Advisory 25, NWS Mobile, AL

April 22, 2021

NWS Mobile, AL issued this small craft advisory at Apr 22, 2021, 10:16 PM CDT. It took effect at Apr 23, 2021, 7:00 PM CDT. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2021, 10:16 PM CDT (03:16 UTC)
In effect from
Apr 23, 2021, 7:00 PM CDT
Expired
Apr 25, 2021, 9:00 AM CDT
In force
38 hr
Issued by
NWS Mobile, AL

The text

As transmitted.

111 
WHUS74 KMOB 230316
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
1016 PM CDT Thu Apr 22 2021

GMZ631-632-650-655-670-675-231130-
/O.NEW.KMOB.SC.Y.0025.210424T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
1016 PM CDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM FRIDAY TO 10 PM CDT
SATURDAY...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Seas building to 4 to 7 ft. Waves around 2 feet in 
  bays and sounds.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida. 

* WHEN...From 7 PM Friday to 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
7 follow-up statements
629 
WHUS74 KMOB 230856
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
356 AM CDT Fri Apr 23 2021

GMZ630-231930-
/O.EXB.KMOB.SC.Y.0025.210424T0000Z-210425T0000Z/
Northern Mobile Bay-
356 AM CDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT SATURDAY...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt
  expected. Waves around 2 feet.

* WHERE...Northern Mobile Bay.

* WHEN...From 7 PM this evening to 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ631-632-650-655-670-675-231930-
/O.CON.KMOB.SC.Y.0025.210424T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
356 AM CDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 10 PM CDT SATURDAY...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt
  expected. Seas building to 4 to 7 ft over Gulf waters. Waves 
  around 2 feet in bays and sounds.

* WHERE...Southern Mobile Bay, Mississippi Sound, Coastal waters
  from Pensacola FL to Pascagoula MS out 20 NM, Coastal waters
  from Okaloosa Walton County Line FL to Pensacola FL out 20 NM,
  Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM, 
  Waters from Okaloosa Walton County Line FL to Pensacola FL from 
  20 to 60 NM.

* WHEN...From 7 PM this evening to 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
474 
WHUS74 KMOB 231838
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
138 PM CDT Fri Apr 23 2021

GMZ631-632-650-655-670-675-240300-
/O.CON.KMOB.SC.Y.0025.210424T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
138 PM CDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 10 PM CDT SATURDAY...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Seas building to 4 to 7 ft over Gulf waters. Waves 
  around 2 feet in bays and sounds.

* WHERE...Southern Mobile Bay, Mississippi Sound, Coastal waters 
  from Pensacola FL to Pascagoula MS out 20 NM, Coastal waters 
  from Okaloosa Walton County Line FL to Pensacola FL out 20 NM, 
  Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM, 
  Waters from Okaloosa Walton County Line FL to Pensacola FL 
  from 20 to 60 NM.

* WHEN...From 7 PM this evening to 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ630-240300-
/O.CON.KMOB.SC.Y.0025.210424T0000Z-210425T0000Z/
Northern Mobile Bay-
138 PM CDT Fri Apr 23 2021

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

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Waves around 2 feet.

* WHERE...Northern Mobile Bay.

* WHEN...From 7 PM this evening to 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
669 
WHUS74 KMOB 240328
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
1028 PM CDT Fri Apr 23 2021

GMZ633>636-241200-
/O.EXA.KMOB.SC.Y.0025.000000T0000Z-210425T0000Z/
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
1028 PM CDT Fri Apr 23 2021

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

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt
  expected. Waves around 2 feet.

* WHERE...Perdido Bay, Pensacola Bay System, Western 
  Choctawhatchee Bay and Eastern Choctawhatchee Bay.

* WHEN...Until 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ631-632-650-655-670-675-241200-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
1028 PM CDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT
SATURDAY...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  building to 4 to 7 ft.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida. 

* WHEN...Until 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ630-241200-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0000Z/
Northern Mobile Bay-
1028 PM CDT Fri Apr 23 2021

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

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Waves around 2 feet.

* WHERE...Northern Mobile Bay.

* WHEN...Until 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
090 
WHUS74 KMOB 241203
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
703 AM CDT Sat Apr 24 2021

GMZ630-633>636-242100-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0000Z/
Northern Mobile Bay-Perdido Bay-Pensacola Bay System-
Western Choctawhatchee Bay-Eastern Choctawhatchee Bay-
703 AM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Waves around 2 feet.

* WHERE...Perdido Bay, Pensacola Bay System, Western 
  Choctawhatchee Bay and Eastern Choctawhatchee Bay.

* WHEN...Until 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ631-632-650-655-670-675-242100-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
703 AM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  building to 4 to 7 ft.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida.

* WHEN...Until 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
436 
WHUS74 KMOB 242042
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
342 PM CDT Sat Apr 24 2021

GMZ630-633>636-250000-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0000Z/
Northern Mobile Bay-Perdido Bay-Pensacola Bay System-
Western Choctawhatchee Bay-Eastern Choctawhatchee Bay-
342 PM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Southerly winds 18 to 23 kt with gusts up to 30 kt 
  expected. Waves around 2 feet.

* WHERE...Perdido Bay, Pensacola Bay System, Western 
  Choctawhatchee Bay and Eastern Choctawhatchee Bay.

* WHEN...Until 7 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ631-632-650-655-670-675-250300-
/O.CON.KMOB.SC.Y.0025.000000T0000Z-210425T0300Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
342 PM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt. Waves
  around 2 feet. Seas over the Gulf waters 4 to 7 ft.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida.

* WHEN...Until 10 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
719 
WHUS74 KMOB 250048
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
748 PM CDT Sat Apr 24 2021

GMZ630-633>636-250900-
/O.NEW.KMOB.SC.Y.0026.210425T0048Z-210425T0900Z/
Northern Mobile Bay-Perdido Bay-Pensacola Bay System-
Western Choctawhatchee Bay-Eastern Choctawhatchee Bay-
748 PM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SUNDAY...

* WHAT...Southwesterly winds 15 to 20 knots becoming northerly.
  Frequent gusts 25 to 30 knots. Waves around 2 feet.

* WHERE...Northern Mobile Bay, Perdido Bay, Pensacola Bay 
  System, Western Choctawhatchee Bay and Eastern Choctawhatchee 
  Bay.

* WHEN...Until 4 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.

&&

$$

GMZ631-632-250900-
/O.EXT.KMOB.SC.Y.0025.000000T0000Z-210425T0900Z/
Southern Mobile Bay-Mississippi Sound-
748 PM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CDT SUNDAY...

* WHAT...Southwesterly winds 15 to 20 knots becoming northerly.
  Frequent gusts 25 to 30 knots. Waves around 2 feet.

* WHERE...Mississippi Sound and Southern Mobile Bay.

* WHEN...Until 4 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.

&&

$$

GMZ650-655-670-675-250900-
/O.EXT.KMOB.SC.Y.0025.000000T0000Z-210425T1200Z/
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
748 PM CDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT SUNDAY...

* WHAT...Southwesterly winds 18 to 23 knots becoming northerly.
  Gusts up to 30 knots. Seas 5 to 7 ft.

* WHERE...Waters from Pensacola FL to Pascagoula MS from 20 to 
  60 NM, Waters from Okaloosa Walton County Line FL to Pensacola 
  FL from 20 to 60 NM, Coastal waters from Pensacola FL to 
  Pascagoula MS out 20 NM and Coastal waters from Okaloosa 
  Walton County Line FL to Pensacola FL out 20 NM.

* WHEN...Until 7 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 KMOB 250842
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
342 AM CDT Sun Apr 25 2021

GMZ633>636-250945-
/O.CAN.KMOB.SC.Y.0026.000000T0000Z-210425T0900Z/
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
342 AM CDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Sustained winds have lower below 20 knots. Therefore, the Small
Craft Advisory has been cancelled.

$$

GMZ631-632-650-655-670-675-251400-
/O.EXT.KMOB.SC.Y.0025.000000T0000Z-210425T1400Z/
Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
342 AM CDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT THIS
MORNING...

* WHAT...Northerly winds 18 to 23 knots. Frequent gusts 25 to 30
  knots. Waves 2 to 3 feet. Seas 4 to 6 ft.

* WHERE...Mississippi Sound and Southern Mobile Bay. Waters from
  Okaloosa Walton County Line FL to Pascagoula MS out 60 NM.

* WHEN...Until 9 AM CDT this 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.

&&

$$

GMZ630-251400-
/O.EXT.KMOB.SC.Y.0026.000000T0000Z-210425T1400Z/
Northern Mobile Bay-
342 AM CDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT THIS
MORNING...

* WHAT...Northerly winds 18 to 23 knots. Frequent gusts 25 to 30
  knots. Waves 2 feet.

* WHERE...Northern Mobile Bay.

* WHEN...Until 9 AM CDT this 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.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 4:11 AM CDTHigh Surf AdvisoryMOBBaldwin, Mobile48 hr
Apr 23, 2:17 PM CDTWind AdvisoryMOBBaldwin, Mobile29 hr

Nearby

Small Craft Advisories in Alabama, 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.