Station List

Hurricane Symbol View the latest observations near Atlantic Hurricane Gabrielle and East Pacific Tropical Storm Narda.

National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 222230
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 22 2025. 24 HOUR FORECAST VALID 1800 UTC SEP 23 2025. 48 HOUR FORECAST VALID 1800 UTC SEP 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 29N160W 27N160W 25N159W MOVING W 10 KT. ISOLATED MODERATE TSTMS FROM 27N TO 25N BETWEEN 161W AND 159W. .24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 29N170W 24N172W 20N171W MOVING W 10 KT. ISOLATED MODERATE TSTMS FROM 28N TO 21N BETWEEN 173W AND 167W. .24 HOUR FORECAST TROUGH 24N176W 20N178W. .48 HOUR FORECAST TROUGH 26N175E 16N171E.

.TROUGH 29N165E 24N164E 18N164E MOVING NW 15 KT. WINDS 20 TO 25 KT N OF 23N W OF 169E. SEAS MAINLY 2.5 TO 3.0 M N OF 20N W OF 175E. WIDELY SCATTERED MODERATE TSTMS FROM 25N TO 18N BETWEEN 162E AND 175E. SCATTERED MODERATE TSTMS N OF 25N W OF 169E. .24 HOUR FORECAST TROUGH MOVED N OF AREA. WINDS 20 TO 25 KT N OF 27N W OF 168E. SEAS 2.5 TO 3.0 M N OF 24N W OF 171E.

.TROUGH 15N155W 13N159W 07N162W MOVING W 10 KT. ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH. .24 HOUR FORECAST TROUGH 15N159W 09N169W. .48 HOUR FORECAST TROUGH 15N164W 07N178W.

.24 HOUR FORECAST NEW TROUGH 30N141W 25N141W. .48 HOUR FORECAST TROUGH 30N147W 21N148W.

.48 HOUR FORECAST NEW FRONT 30N151W 28N156W 30N164W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3.0 M N OF FRONT.

.48 HOUR FORECAST NEW TROUGH 15N160E 06N164E.

.48 HOUR FORECAST WINDS 20 TO 30 KT N OF 27N W OF 165E.

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

.48 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF LINE 30N169E 25N164E 22N160E.

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

ITCZ 11N140W 11N145W 12N152W
AND 09N164W 09N174W 06N169E 10N160E. SCATTERED MODERATE TSTMS WITHIN 330 NM N OF ITCZ W OF 169E...AND WITHIN 210 NM OF ITCZ ELSEWHERE W OF 164W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF ITCZ E OF 152W.

.FORECASTER AHUE. HONOLULU HI.