FZHW60 PHFO 200939 OFFHFO OFFSHORE WATERS FORECAST FOR HAWAII NATIONAL WEATHER SERVICE HONOLULU HI 1200 AM HST SAT SEP 20 2008 HAWAIIAN OFFSHORE WATERS BEYOND 40 NAUTICAL MILES OUT TO 240 NAUTICAL MILES INCLUDING THE PORTION OF THE NORTHWESTERN HAWAIIAN ISLANDS MARINE NATIONAL MONUMENT EAST OF FRENCH FRIGATE SHOALS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. PHZ105-201600- 1200 AM HST SAT SEP 20 2008 .SYNOPSIS FOR HAWAIIAN OFFSHORE WATERS...A RIDGE NORTH OF THE AREA WILL GRADUALLY BUILD THROUGH TUESDAY...CAUSING WINDS TO STRENGTHEN. THE RIDGE WILL THEN GRADUALLY WEAKEN....AND THE WINDS WILL SLOWLY DIMINISH. $$ PHZ180-201600- HAWAIIAN OFFSHORE WATERS 1200 AM HST SAT SEP 20 2008 .REST OF TONIGHT...S OF 24N...E WINDS 10 TO 15 KT. ELSEWHERE...E TO SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT. .SATURDAY THROUGH SUNDAY...S OF 24N...E WINDS 10 TO 15 KT. ELSEWHERE...E TO SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT. .SUNDAY NIGHT THROUGH TUESDAY...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .WEDNESDAY...E WINDS 10 TO 15 KT. SEAS 5 FT. $$