143
FZPN40 PHFO 250933
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE MAR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 25 2025.
24 HOUR FORECAST VALID 0600 UTC MAR 26 2025.
48 HOUR FORECAST VALID 0600 UTC MAR 27 2025.

.WARNINGS.

...GALE WARNING...
.DEVELOPING LOW JUST N OF AREA. COLD FRONT 30N175W TO 25N177E TO
22N170E THENCE STATIONARY FRONT TO 22N160E. COLD FRONT MOVING E 25
KT ALONG 30N AND SE SLOWLY ELSEWHERE. WARM FRONT FROM 30N172W TO
24N167W MOVING E 10 KT. SE WINDS 30 TO 35 KT N OF 28N BETWEEN WARM
FRONT AND 167W. SE WINDS 20 TO 30 KT ELSEWHERE WITHIN 240 NM E OF
WARM FRONT. ISOLATED MODERATE TSTMS N OF 23N BETWEEN FRONT AND 167W.
.24 HOUR FORECAST OCCLUDED FRONT FROM 30N167W TO 28N164W THENCE WARM
FRONT TO 26N162W. COLD FRONT FROM 28N167W TO 25N171W TO 22N174W TO
22N160E. E TO SE WINDS 30 TO 40 KT N OF 27N BETWEEN 162W AND 157W.
SE WINDS 20 TO 30 KT ELSEWHERE N OF 23N BETWEEN 164W AND 153W.
.48 HOUR FORECAST WARM FRONT FROM 30N163W TO 28N158W. COLD FRONT FROM
30N168W TO 22N173W TO 21N172E TO 17N165E. E TO SE WINDS 20 TO 30
KT N OF 24N BETWEEN 158W AND 150W.

.FOR FORECAST DETAILS N OF 30N...SEE HIGH SEAS FORECASTS ISSUED
BY OCEAN PREDICTION CENTER UNDER AWIPS HEADER HSFEP1 AND WMO
HEADER FZPN01 KWBC.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N145W TO 25N151W THENCE DISSIPATING STATIONARY
FRONT TO 23N161W. COLD FRONT MOVING SE 15 KT.
.24 HOUR FORECAST FRONT FROM 27N141W TO 23N150W TO 23N157W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 23N140W TO 23N151W.

.TROUGH FROM 07N172E TO 01N167E MOVING W 10 KT. ISOLATED MODERATE
TSTMS FROM 02N TO 06N BETWEEN 178W AND 173E.
.24 HOUR FORECAST TROUGH FROM 07N165E TO 02N165E.
.48 HOUR FORECAST TROUGH FROM 06N160E TO 03N160E.

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N T0 13N E OF
158W.

.SEAS 8 TO 12 FT N OF A LINE FROM 22N140W TO 16N158W TO 30N176W. ALSO
SEAS 8 TO 10 FT IN AN AREA BOUNDED BY 18N160W 08N153W 02N180W 08N171E
18N160W.
.24 HOUR FORECAST SEAS 12 TO 15 FT N OF 28N BETWEEN 166W AND 160W.
SEAS 8 TO 12 FT ELSEWHERE E OF A LINE FROM 30N180W TO 20N150W TO
08N166W TO 02N162W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 30N180W TO 24N150W
TO 24N140W. SEAS 8 TO 10 FT FROM 03N TO 16N E OF 160W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 01N TO 06N W OF 165E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.