562 

WHMY50 PGUM 190200

SMWGUM

PMZ151-152-190245-

/O.NEW.PGUM.MA.W.0037.261019T0200Z-261019T0245Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

SPECIAL MARINE WARNING

NATIONAL WEATHER SERVICE TIYAN GU

1157 AM CHST MON OCT 19 2026



THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A



* SPECIAL MARINE WARNING FOR...

  GUAM COASTAL WATERS...

  ROTA COASTAL WATERS...



* UNTIL 1245 PM CHST.



* AT 1157 AM CHST...STRONG THUNDERSTORMS WERE LOCATED OVER CENTRAL 

  GUAM WATERS AND SOUTHERN ROTA WATERS, MOVING NORTH AT 35 KNOTS.



  HAZARD...WIND GUSTS 34 KNOTS OR GREATER.



  SOURCE...RADAR.



  IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS 

           AND SUDDENLY HIGHER WAVES.



* THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.



MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE

EXPECTED.



&&



LAT...LON 1298 14431 1352 14446 1407 14472 1358 14566

      1328 14556 1293 14535 1269 14510 1261 14495

TIME...MOT...LOC 0157Z 186DEG 43KT 1355 14492 



HAIL...0.00IN

WIND...>34KTS



$$



DD/TM






704 

FZUS72 KKEY 190206

MWSKEY



Marine Weather Statement

National Weather Service Key West FL

1006 PM EDT Sun Oct 18 2026



GMZ053-054-073-074-190230-

1006 PM EDT Sun Oct 18 2026



...A STRONG THUNDERSTORM OVER THE WATERS...



The areas affected include...

Straits of Florida from Craig Key to Halfmoon Shoal out 60 nm...



At 1006 PM EDT, National Weather Service meteorologists detected a a

strong thunderstorm, capable of producing wind gusts near 30 knots.

This thunderstorm was located 11 nm southeast of Sombrero Key Light,

moving southwest at 15 knots.



The strong thunderstorm will remain over mainly open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Prepare for thunderstorms with wind gusts near 30 knots, locally

rough and confused seas, occasional lightning strikes, and

potentially blinding downpours. Get to a safe port as quickly, and as

safely as possible. When downpours reduce visibility, slow down.



&&



LAT...LON 2469 8091 2444 8076 2419 8118 2449 8136



$$



RG