Marine Weather Message
Issued by NWS Tiyan, Guam

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325
WHGM70 PGUM 140525
MWWGUM

URGENT - MARINE WEATHER MESSAGE
National Weather Service Tiyan GU
325 PM ChST Fri Mar 14 2025

PMZ151>154-141930-
/O.EXT.PGUM.SC.Y.0024.000000T0000Z-250315T0700Z/
Guam Coastal Waters-Rota Coastal Waters-Tinian Coastal Waters-
Saipan Coastal Waters-
325 PM ChST Fri Mar 14 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM CHST SATURDAY...

* WHAT...Seas 9 to 12 feet.

* WHERE...Marianas Coastal Waters.

* WHEN...Until 5 PM ChST Saturday.

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

* ADDITIONAL DETAILS...A significant long-period northeast swell is
  moving through the Marianas, which, in combination with northeast
  trade swell and elevated wind waves, is contributing to seas
  hazardous to small craft. As the long-period swell dissipates, seas
  are expected to fall below hazardous levels of 10 feet by Saturday
  night across Marianas waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid boating in hazardous conditions.

&&

$$

DeCou