WHMY40 PGUM 151648 CFWMY URGENT - HIGH SURF MESSAGE NATIONAL WEATHER SERVICE TIYAN GU 1000 AM ChST THU SEP 16 2004 ...TEST TEST TEST... ...A HIGH SURF ADVISORY IS IN EFFECT FOR THE MARIANAS AS OF 10 AM ChST... LARGE WEST SWELLS GENERATED BY STRONG MONSOON FLOW WILL PRODUCE HAZARDOUS SURF HEIGHTS OF 12 TO 14 FEET ALONG SOUTHERN CLOCKWISE THROUGH NORTHWESTERN EXPOSURES OF ALL ISLANDS. AVOID VENTURING NEAR REEFS AND EXPOSED BEACHES DUE TO THE POTENTIAL FOR STRONG RIP CURRENT. $$ AHN