WHMY40 PGUM 200520

CFWGUM



URGENT - IMMEDIATE BROADCAST REQUESTED

Coastal Hazard Message

National Weather Service Tiyan GU

320 PM ChST Fri Mar 20 2026



GUZ001-MPZ001>003-202100-

/O.EXT.PGUM.SU.Y.0029.000000T0000Z-260322T0600Z/

/O.EXT.PGUM.RP.S.0009.000000T0000Z-260322T0600Z/

Guam-Rota-Tinian-Saipan-

320 PM ChST Fri Mar 20 2026



...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST SUNDAY...

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY AFTERNOON...



* WHAT...Large breaking waves of 8 to 10 feet and dangerous rip 

  currents.



* WHERE...For the High Surf Advisory, north facing reefs of the

  Marianas. For the High Rip Current Risk, north and east facing

  reefs.



* WHEN...Until 4 PM ChST Sunday.



* IMPACTS...Dangerous swimming and surfing conditions and

  localized beach erosion. Rip currents can sweep even the best

  swimmers away from shore into deeper water.



* ADDITIONAL DETAILS...Elevated long-period north to northeast 

  swell, produced by distant mid-latitude frontal systems, will 

  continue to produce hazardous surf along north facing reefs, and

  a high risk of rip currents along north and east facing reefs 

  through at least Sunday afternoon. The long-period swells are 

  gradually subsiding and surf is slowly decreasing, however, surf

  and rip risk will remain at elevated levels over the weekend, 

  possibly hovering just below hazardous levels for north facing 

  reefs. 



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Rip currents will be life threatening. Inexperienced swimmers 

should remain out of the water due to dangerous surf conditions. 

If caught in a rip current, relax and float. Don't swim against 

the current. If able, swim in a direction following the shoreline.

If unable to escape, face the shore and call or wave for help.



&&



$$



Bowsher