SXKA80 PTKK 180600 OMRTKK SURF OBSERVATIONS NATIONAL WEATHER SERVICE CHUUK FM 4pM LST SAT APR 18, 2026 STATIONS AVERAGE GREATEST PERIOD DIRECTION PIIS ISLAND 2 ft 3 ft 11 sec northeast= NAMA ISLAND NIL= TA ISLAND NIL= ETTAL ISLAND NIL= ONOUN ISLAND NIL= NAMOLUK ISLAND 3 ft 4 ft 11 sec north=