


High Seas Forecast
Issued by NWS
Issued by NWS
527 FZPN40 PHFO 061503 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 1700 UTC FRI JUN 06 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE HIGHER THAN 10-MINUTE AVERAGE WINDS. SECURITE NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 1200 UTC JUN 06 2025. 24 HOUR FORECAST VALID 1200 UTC JUN 07 2025. 48 HOUR FORECAST VALID 1200 UTC JUN 08 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW NEAR 26N177W 1012 MB SLOWLY MOVING SW. TROUGH 30N173W TO LOW TO 20N179E 17N175E MOVING SW 10 KT. ISOLATED MODERATE TSTMS N OF 17N BETWEEN 170W AND TROUGH. .24 HOUR FORECAST LOW DISSIPATED. TROUGH 27N179W 22N173E 17N168E. .48 HOUR FORECAST TROUGH 29N178W 23N174E 18N165E. .WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA. .SEAS 2.5 TO 3 M N OF 22N E OF 147W...AND S OF 3N BETWEEN 143W AND 162W. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 14N E OF 160W. .48 HOUR FORECAST SEAS 2.5 M OR LESS. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .ITCZ FROM 06N140W 09N167W 03N178E 04N160E. ISOLATED MODERATE TSTMS WITHIN 120 NM OF ITCZ BETWEEN 172W AND 179E...AND WITHIN 90 NM ELSEWHERE. $$ .FORECASTER PIERCE. HONOLULU HI.