National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 170315
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE JUN 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 17 2025. 24 HOUR FORECAST VALID 0000 UTC JUN 18 2025. 48 HOUR FORECAST VALID 0000 UTC JUN 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 27N174E 26N172E 23N169E MOVING W SLOWLY. .24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 10N140W 07N160W 05N178W 06N171W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 120 NM OF ITCZ BETWEEN 160W TO 179W...AND E OF 152W. ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ ELSEWHERE.

.ISOLATED MODERATE TSTMS N OF 20N BETWEEN 172E AND 166E.

.FORECASTER PECHACEK. HONOLULU HI.