WCPA02 PHFO 090741 WSTPAO KZAK SIGMET OSCAR 13 VALID 090740/091300 PHFO- OAKLAND OCEANIC FIR CNL SIGMET OSCAR 12 VALID 090700/091300. TC GUCHOL HAS EXITED OAKLAND OCEANIC FIR. REFER TO SIGMETS ISSUED BY PAGASA.