High Seas Forecast
Issued by NWS

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173
FZPN40 PHFO 222225
HSFNP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GALE WARNING...
.FRONT 30N153W 18N162W 18N177W 27N175E MOVING E 10 KT E OF 163W
AND NEARLY STATIONARY AND DISSIPATING ELSEWHERE. NW TO N WINDS
30 TO 35 KT N OF 27N BETWEEN 157W AND 162W. WINDS 20 TO 30 KT
ELSEWHERE N OF FRONT...AND N OF 23N WITHIN 120 NM E OF FRONT.
SCATTERED MODERATE TSTMS E OF 163W WITHIN 150 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N149W 25N150W 17N158W. NW TO N WINDS
30 TO 35 KT N OF 27N BETWEEN 157W AND 162W. W TO NW WINDS 20
TO 30 KT ELSEWHERE N OF 26N BETWEEN 156W AND 167W. S TO SW
WINDS 20 TO 25 KT N 23N BETWEEN 144W AND 153W.
.48 HOUR FORECAST FRONT 30N148W 25N148W 20N152W. WINDS 20 TO 30
KT N OF 25N BETWEEN 144W AND 163W.

.SYNOPSIS AND FORECAST.

.FRONT 30N165E 25N160E MOVING E 30 KT. SCATTERED MODERATE TSTMS
N OF 25N WITHIN 270 NM E OF FRONT. SW WINDS 20 TO 25 KT N OF
27N W OF 172E.
.24 HOUR FORECAST FRONT 30N178W 25N174E 23N160E. WINDS
DECREASED TO 20 KT OR BELOW.
.48 HOUR FORECAST FRONT 30N170W 25N175E 25N160E.

.TROUGH 30N140W 26N144W NEARLY STATIONARY AND DISSIPATING.
SE WINDS 20 TO 25 KT N OF 27N E OF 148W.
.24 HOUR FORECAST TROUGH DISSIPATED. WINDS DECREASED TO 20
KT OR BELOW.

.TROUGH 19N144W 16N146W MOVING W SLOWLY AND DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.E TO NE WINDS 20 TO 25 KT FROM 14N TO 05N W OF 165W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 13N TO 04N W
OF 165W. E WINDS 20 TO 25 KT FROM 17N TO 07N E OF 150W.
.48 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 16N TO 06N W
OF 160W. E WINDS 20 TO 25 KT FROM 18N TO 07N E OF 153W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 17 FT N OF 23N BETWEEN 155W AND 167W. SEAS 8 TO
12 FT ELSEWHERE N OF A LINE FROM 30N144W TO 20N165W TO
20N180E TO 29N167E TO 28N160E. SEAS 8 TO 9 FT FROM 15N TO 05N
BETWEEN 170W AND 172E.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF 23N BETWEEN 150W AND
165W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N140W TO
14N165W TO 15N175W TO 18N180E. SEAS 8 TO 11 FT N OF A LINE
FROM 30N174W TO 25N160E. SEAS 8 TO 9 FT FROM 10N TO 05N
W OF 173W.
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF 27N BETWEEN 157W
AND 162W. SEAS 8 TO 12 FT N OF A LINE FROM 16N146W TO
21N165W TO 30N174W TO 22N171E TO 23N160E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 06N140W 07N160W 05N172E. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ W OF 160W.

$$

.FORECASTER FOSTER. HONOLULU HI.