603
WHUS52 KJAX 202031
SMWJAX
AMZ454-202130-
/O.NEW.KJAX.MA.W.0206.260820T2031Z-260820T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Jacksonville FL
431 PM EDT Thu Aug 20 2026

The National Weather Service in Jacksonville has issued a

* Special Marine Warning for...
  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM...

* Until 530 PM EDT.

* At 430 PM EDT, a strong to severe thunderstorm was located over
  Crescent Beach, or 10 nm south of Saint Augustine, moving north at
  10 knots.

  HAZARD...Wind gusts 34 knots or greater and small hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and
           suddenly higher waves.

* Locations impacted include...
  Butler Beach, Saint Augustine, Saint Augustine Beach, Marineland,
  and Crescent Beach.

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 2963 8126 2965 8128 2973 8128 2981 8135
      2992 8137 2992 8134 2991 8131 2991 8129
      2988 8107 2962 8120
TIME...MOT...LOC 2030Z 193DEG 8KT 2972 8129

HAIL...<.75IN
WIND...>34KTS

$$

SHASHY