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Small Craft Advisory 0050
Issued by the Jacksonville Forecast Office

Action Issued Starts Expiration
New 2025-12-18 00:44:05 2025-12-18 21:00:00 2025-12-19 08:00:00
Time Extended 2025-12-18 08:26:42 2025-12-18 15:00:00 2025-12-19 12:00:00
Time Extended 2025-12-18 08:26:42 2025-12-18 18:00:00 2025-12-19 12:00:00
Continued 2025-12-19 03:10:50 2025-12-19 12:00:00
Time Extended 2025-12-19 09:57:16 2025-12-19 15:00:00


Action: New
Issued At: 2025-12-18 00:44:05

940 
WHUS72 KJAX 180643
MWWJAX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Jacksonville FL
143 AM EST Thu Dec 18 2025

AMZ470-472-474-181900-
/O.NEW.KJAX.SC.Y.0050.251219T0300Z-251219T1400Z/
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
143 AM EST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 ft expected.

* WHERE...Southeast Georgia and Northeast Florida coastal waters 
  from Altamaha Sound GA to Flagler Beach FL from 20 to 60 NM.

* WHEN...From 10 PM this evening to 9 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2025-12-18 08:26:42

070 
WHUS72 KJAX 181426
MWWJAX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Jacksonville FL
926 AM EST Thu Dec 18 2025

AMZ472-474-190900-
/O.EXT.KJAX.SC.Y.0050.251218T2100Z-251219T1800Z/
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
926 AM EST Thu Dec 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 PM EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 ft expected.

* WHERE...Northeast Florida coastal waters from Fernandina Beach 
  FL to Flagler Beach FL from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ470-190900-
/O.EXT.KJAX.SC.Y.0050.251219T0000Z-251219T1800Z/
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
926 AM EST Thu Dec 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
1 PM EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 ft expected.

* WHERE...Waters from Altamaha Sound GA to Fernandina Beach FL 
  from 20 to 60 NM.

* WHEN...From 7 PM this evening to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2025-12-18 08:26:42

070 
WHUS72 KJAX 181426
MWWJAX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Jacksonville FL
926 AM EST Thu Dec 18 2025

AMZ472-474-190900-
/O.EXT.KJAX.SC.Y.0050.251218T2100Z-251219T1800Z/
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
926 AM EST Thu Dec 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 PM EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 ft expected.

* WHERE...Northeast Florida coastal waters from Fernandina Beach 
  FL to Flagler Beach FL from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ470-190900-
/O.EXT.KJAX.SC.Y.0050.251219T0000Z-251219T1800Z/
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
926 AM EST Thu Dec 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
1 PM EST FRIDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 ft expected.

* WHERE...Waters from Altamaha Sound GA to Fernandina Beach FL 
  from 20 to 60 NM.

* WHEN...From 7 PM this evening to 1 PM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Continued
Issued At: 2025-12-19 03:10:50

069 
WHUS72 KJAX 190910
MWWJAX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Jacksonville FL
410 AM EST Fri Dec 19 2025

AMZ470-472-474-191800-
/O.CON.KJAX.SC.Y.0050.000000T0000Z-251219T1800Z/
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
410 AM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 ft.

* WHERE...Southeast Georgia and Northeast Florida coastal waters 
  from Altamaha Sound GA to Flagler Beach FL from 20 to 60 NM.

* WHEN...Until 1 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2025-12-19 09:57:16

622 
WHUS72 KJAX 191556
MWWJAX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Jacksonville FL
1056 AM EST Fri Dec 19 2025

AMZ470-472-474-192100-
/O.EXT.KJAX.SC.Y.0050.000000T0000Z-251219T2100Z/
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
1056 AM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...West winds 20 kt with gusts up to 30 kt and seas 5 to 7 
  ft.

* WHERE...Southeast Georgia and Northeast Florida coastal waters 
  from Altamaha Sound GA to Flagler Beach FL from 20 to 60 NM.

* WHEN...Until 4 PM EST this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$



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