THE COAST GUARD CAPTAIN OF THE PORT GUAM ADVISES THAT THE PORTS OF GUAM, SAIPAN, ROTA AND TINIAN ARE NOT SAFE HAVENS FOR ANTICIPATED TROPICAL HEAVY WEATHER AND ANNOUNCES THAT PORT HEAVY WEATHER CONDITION X-RAY IS IN EFFECT. THESE PORTS ARE CLOSED TO ARRIVING VESSELS UPON THE ESTABLISHMENT OF PHWC YANKEE, ANTICIPATED FOR 1300, 11 APRIL 2026. THE CAPTAIN OF THE PORT ADVISES ALL VESSELS ADJUST COURSE AND SPEED TO EVADE HEAVY WEATHER, AND ORDERS THAT INBOUND VESSELS NOT ENTER GUAM, SAIPAN, ROTA, AND TINIAN UNTIL TROPICAL STORM 04W (SINLAKU) PASSES AND THE PORT(S) ARE REOPENED TO INBOUND VESSEL TRAFFIC. MARINERS SHOULD EXERCISE EXTREME CAUTION AND MONITOR BROADCAST NOTICE TO MARINERS FOR STATUS UPDATES ON WEATHER, PORT AND AIDS TO NAVIGATION CONDITIONS. VESSELS NEEDING TO ENTER APRA HARBOR GUAM OR THE PORTS OF ROTA, TINIAN OR SAIPAN MUST FIRST ATTAIN PERMISSION FROM THE CAPTAIN OF THE PORT GUAM ON VHF-FM CHANNEL 16 OR BY CALLING THE SECTOR GUAM COMMAND CENTER AT (671) 355-4824. FOR NIMA NAVSAFETY: REQUEST ISSUE HYDROPAC ADVISING OF PORT CLOSURES. BROADCAST UNTIL CANCELLED.//
