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National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 131515
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU MAR 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 13 2025. 24 HOUR FORECAST VALID 1200 UTC MAR 14 2025. 48 HOUR FORECAST VALID 1200 UTC MAR 15 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N175W 21N171E 19N166E MOVING E 15 KT. NE WINDS 20 TO 25 IN AREA BOUNDED BY 28N160E 30N178W 30N175W 16N160E 28N160E. .24 HOUR FORECAST TROUGH 30N167W 21N178W. NE WINDS 20 TO 30 KT IN AREA BOUNDED BY 20N160E 23N162E 30N176E 30N169W 17N172E 09N174E 05N160E. .48 HOUR FORECAST TROUGH 30N157W 26N165W 21N175W. NE WINDS 20 TO 30 KT IN AREA BOUNDED BY 19N160E 30N176W 30N160W 26N167W 20N179W 13N164E 13N160E 19N160E.

.48 HOUR FORECAST NEW FRONT NEAR 30N163E 28N160E.

NE TO E WINDS 20 TO 25 KT FROM 24N TO 03N E OF 175W
AND FROM 13N TO 05N W OF 169E. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 22N TO 03N E OF 174W. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 16N TO 03N E OF 162E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 15 FT N OF LINE 30N173W 20N177E 12N160E 27N160E 30N167E 30N173W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 05N140W 02N169W 01N174E 08N163E 06N160E...EXCEPT N OF 24N BETWEEN 154W AND 170W. .24 HOUR FORECAST SEAS 12 TO 13 FT IN AREA BOUNDED BY 20N160E 26N173E 25N176W 17N167E 16N160E 20N160E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 02N140W 03N173E 01N179E 10N167E 03N169E 00N165E 00N160E...EXCEPT N OF 24N BETWEEN 145W AND 162W. .48 HOUR FORECAST SEAS 12 TO 15 FT IN AREA BOUNDED BY 22N178E 27N179W 29N175W 29N169W 22N177W 22N178E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 03N140W 00N147W 00N174E 10N167E 00N166E 00N160E 21N160E 30N179E...EXCEPT IN AREA BOUNDED BY 25N170W 30N161W 30N140W 23N140W 24N161W 18N153W 22N170W 25N170W.

.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 04N179E 04N170E 05N160E. ISOLATED MODERATE TO STRONG TSTMS WITHIN 210 NM OF ITCZ W OF 168E...AND 120 NM ELSEWHERE.

.FORECASTER PIERCE. HONOLULU HI.