WHGM70 PGUM 221808

MWWGUM



URGENT - MARINE WEATHER MESSAGE

National Weather Service Tiyan GU

408 AM ChST Mon Mar 23 2026



PMZ151>154-230815-

/O.CON.PGUM.SC.Y.0031.000000T0000Z-260324T0700Z/

Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters-

Saipan Coastal Waters-

408 AM ChST Mon Mar 23 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST

TUESDAY...



* WHAT...Northeast to east winds 15 to 25 kt with gusts up to

  30 kt and seas 8 to 11 feet.



* WHERE...Marianas Coastal Waters.



* WHEN...Until 5 PM ChST Tuesday.



* IMPACTS...Conditions will be hazardous to small craft.



* ADDITIONAL DETAILS...Elevated northeast to east swell and wind

  waves, and long-period north to northeast swell continues to

  produce hazardous seas up to 11 feet through Tuesday afternoon.

  Winds will be moderate to strong through Tuesday, then gradually

  diminishing to gentle to moderate late week.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid boating in hazardous conditions.



&&



$$



Stanko