Special Marine Warning
Issued by NWS Tiyan, Guam

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WHMY50 PGUM 190259
SMWGUM
PMZ151>154-190500-
/O.NEW.PGUM.MA.W.0001.250719T0259Z-250719T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TIYAN GU
1256 PM CHST SAT JUL 19 2025

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  MARIANAS COASTAL WATERS...

* UNTIL 300 PM CHST.

* AT 1249 PM CHST...SHOWER AND THUNDERSTORMS PRODUCING WATERSPOUTS
  WERE LOCATED OVER AGANA BAY IN GUAM.

  HAZARD...NON-TORNADIC WATERSPOUTS.

  SOURCE...WEATHER SPOTTER.

  IMPACT...WATERSPOUTS CAN CREATE LOCALLY HAZARDOUS SEAS. SMALL
           CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
           SUDDENLY HIGHER WAVES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS
SEAS. SEEK SAFE HARBOR IMMEDIATELY.


LAT...LON 1263 14434 1302 14400 1370 14398 1420 14447
      1462 14463 1481 14495 1526 14492 1561 14514
      1594 14560 1587 14615 1563 14640 1514 14649
      1477 14634 1434 14597 1397 14593 1305 14544
      1261 14495
TIME...MOT...LOC 0256Z 237DEG 47KT 1429 14568

HAIL...0.00IN
WIND...>34KTS

$$

BOWSHER/KLEESCHULTE