536
FZUS72 KJAX 122139
MWSJAX

Marine Weather Statement
National Weather Service Jacksonville FL
539 PM EDT Tue May 12 2026

AMZ472-122148-
/O.CAN.KJAX.MA.W.0048.000000T0000Z-260512T2200Z/
539 PM EDT Tue May 12 2026

...THE SPECIAL MARINE WARNING IS CANCELLED...

The affected areas were...
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM...

The thunderstorm has weakened and no longer poses a significant
threat to boaters.

&&

LAT...LON 2968 8079 2976 8039 2952 8031 2948 8056
      2948 8090
TIME...MOT...LOC 2138Z 257DEG 6KT 2973 8071

$$

AMZ454-474-122200-
/O.CON.KJAX.MA.W.0048.000000T0000Z-260512T2200Z/
539 PM EDT Tue May 12 2026

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 600 PM EDT...

For the following areas...
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM...
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM...

At 538 PM EDT, a severe thunderstorm capable of producing waterspouts
was located 26 nm east of Marineland, or 29 nm northeast of Palm
Coast, moving east at 5 knots.

HAZARD...Waterspouts, wind gusts to 40 knots, and large hail.

SOURCE...Radar indicated.

IMPACT...Waterspouts can easily overturn boats and create locally
         hazardous seas. Small craft could be damaged in briefly
         higher winds and suddenly higher waves. Large hail could
         result in structural damage.

The severe thunderstorm will remain over mainly open waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters should seek safe harbor immediately until this storm passes.
Wind gusts to 40 knots, large hail, high waves, dangerous lightning,
and heavy rain are possible with this storm. 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.

Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately. 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 2968 8079 2976 8039 2952 8031 2948 8056
      2948 8090
TIME...MOT...LOC 2138Z 257DEG 6KT 2973 8071

WATERSPOUT...POSSIBLE
HAIL...>.75IN
WIND...40KTS

$$

AC