WHUS72 KJAX 190445

MWWJAX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Jacksonville FL

1245 AM EDT Thu Mar 19 2026



AMZ450-191900-

/O.EXB.KJAX.SC.Y.0021.260319T0900Z-260319T1900Z/

Coastal waters from Altamaha Sound to Fernandina Beach FL out

20 NM-

1245 AM EDT Thu Mar 19 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING TO

3 PM EDT THIS AFTERNOON...



* WHAT...North winds 20 kt with gusts up to 30 kt expected.



* WHERE...Coastal waters from Altamaha Sound to Fernandina Beach 

  FL out 20 NM.



* WHEN...From 5 AM early this morning to 3 PM EDT 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.



&&



$$



AMZ452-454-192100-

/O.EXT.KJAX.SC.Y.0021.260319T0445Z-260320T0600Z/

Coastal waters from Fernandina Beach to St. Augustine FL out

20 NM-

Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-

1245 AM EDT Thu Mar 19 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY...



* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and seas 

  5 to 8 ft.



* WHERE...Northeast Florida coastal waters from Fernandina Beach 

  FL to Flagler Beach FL out to 20 NM.



* WHEN...Until 2 AM EDT 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.



&&



$$



AMZ470-192100-

/O.EXT.KJAX.SC.Y.0021.260319T0445Z-260320T0300Z/

Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to

60 NM-

1245 AM EDT Thu Mar 19 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS

EVENING...



* WHAT...Northeast winds 20 kt with gusts up to 30 kt and seas 5 

  to 8 ft.



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

  from 20 to 60 NM.



* WHEN...Until 11 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.



&&



$$



AMZ472-474-192100-

/O.EXT.KJAX.SC.Y.0021.260319T0445Z-260320T1800Z/

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-

1245 AM EDT Thu Mar 19 2026



...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT FRIDAY...



* WHAT...North winds 20 to 25 kt with gusts up to 35 kt and seas 

  6 to 9 ft.



* WHERE...Northeast Florida coastal waters from Fernandina Beach 

  FL to Flagler Beach FL from 20 to 60 NM.



* WHEN...Until 2 PM EDT 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.



&&



$$