375
WHUS52 KJAX 212021
SMWJAX
AMZ450-452-212115-
/O.NEW.KJAX.MA.W.0151.250721T2021Z-250721T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
421 PM EDT MON JUL 21 2025
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20
NM...
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20
NM...
* UNTIL 515 PM EDT.
* AT 421 PM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR AMELIA CITY,
OR 29 NM SOUTH OF ST. SIMONS ISLAND, MOVING SOUTHEAST AT 15 KNOTS.
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.
SOURCE...RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* LOCATIONS IMPACTED INCLUDE...
DUNGENESS, SAINT MARYS ENTRANCE BUOY 16, AMELIA CITY, NASSAU SOUND
APPROACH BUOY 6A, AND WHITTAKERS SNAPPER HOLE REEF.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES. IF YOUR VESSEL IS
CAUGHT OFFSHORE, IMMEDIATELY SECURE FOR HEAVY WEATHER. ENSURE ALL
CREW MEMBERS ARE WEARING USCG APPROVED TYPE I LIFE JACKETS AND
NONESSENTIAL CREW ARE BELOW DECKS. DEPLOY JACK LINES AND HARNESSES IF
AVAILABLE. CHECK LIFE SAVING EQUIPMENT, INCLUDING BATTERIES ON
HANDHELD RADIOS, FOR READINESS.
LAT...LON 3080 8147 3062 8110 3060 8110 3056 8109
3038 8124 3057 8155 3060 8153 3066 8153
3067 8156
TIME...MOT...LOC 2021Z 305DEG 14KT 3069 8147
HAIL...0.00IN
WIND...>34KTS
23
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