The High Seas Forecast for the Central North Pacific

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FZPN40 PHFO 030430
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN MAY 03 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 03 2015.
24 HOUR FORECAST VALID 0000 UTC MAY 04 2015.
48 HOUR FORECAST VALID 0000 UTC MAY 05 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 05N168W 06N180W MOVING SW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED SW OF AREA.

.ITCZ 07N140W 05N152W 07N161W 03N180W. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF ITCZ E OF 160W AND ISOLATED MODERATE TSTMS WITHIN
90 NM OF ITCZ E OF 160W.

.HIGH 26N168E 1019 MB NEARLY STATIONARY. RIDGE 30N156W 26N170W
THROUGH HIGH TO 25N160E.
.24 HOUR FORECAST HIGH DISSIPATED.

.FRONT 30N178E 30N168E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N176W 29N178E 30N162E.
.48 HOUR FORECAST FRONT 30N173W 26N180W.

.NE WINDS 20 TO 25 KT WITHIN 150 NM OF LINE 20N155W 10N170W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 12N TO 09N BETWEEN 160W
AND 170W.

.SEAS 8 TO 10 FT FROM 18N TO 07N BETWEEN 155W AND 175W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 17N TO 07N BETWEEN 150W AND
180W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 16N TO 07N BETWEEN 150W AND
180W.

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

$$
.HONOLULU HI.



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