The High Seas Forecast for the Central North Pacific

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FZPN40 PHFO 310430
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU JUL 31 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 31 2014.
24 HOUR FORECAST VALID 0000 UTC AUG 01 2014.
48 HOUR FORECAST VALID 0000 UTC AUG 02 2014.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION GENEVIEVE AT 12.8N150.1W 1009 MB MOVING W 6 KT.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 8 TO 12 FT WITHIN
120 NM OF CENTER. SCATTERED TSTMS WITHIN 75 NM W SEMICIRCLE AND
WITHIN 45 NM E SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 12.8N152.2W.
MAXIMUM WINDS 35 KT GUSTS 45 KT NEAR CENTER. WINDS 25 TO 35 KT
ELSEWHERE WITHIN 75 NM OF CENTER. SEAS 8 TO 12 FT WITHIN 120 NM OF
CENTER.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 12.8N154.8W.
MAXIMUM WINDS 40 KT GUSTS 50 KT NEAR CENTER. WINDS 25 TO 35 KT
ELSEWHERE WITHIN 90 NM OF CENTER. SEAS 9 TO 14 FT WITHIN 120 NM OF
CENTER.
.72 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 12.9N 157.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.96 HOUR FORECAST TROPICAL DEPRESSION GENEVIEVE NEAR 13.0N160.9W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.LOW 12N165W 1010 MB MOVING W SLOWLY. WINDS 20 TO 25 KT WITHIN 60 NM
OF CENTER. ISOLATED MODERATE TSTMS WITHIN 45 NM OF CENTER.
.24 HOUR FORECAST LOW NEAR 12N167W 1010 MB. WINDS DIMINISHED TO 20
KT OR LESS.
.48 HOUR FORECAST LOW NEAR 12N169W 1010 MB.

.STATIONARY FRONT FROM 30N176W TO 21N166E TO 23N160E. ISOLATED
MODERATE TSTMS WITHIN 75 NM OF FRONT.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N174W TO 27N177E TO
27N170E TO 24N164E.
.48 HOUR FORECAST FRONT FROM 30N172W TO 26N177E.

.WEAK TROUGH FROM 30N160W TO 26N162W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WEAK TROUGH FROM 18N142W TO 15N143W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N169E TO 29N160E NEARLY STATIONARY AND DISSIPATING.

.RIDGE FROM 05N178W TO 00N170E NEARLY STATIONARY AND DISSIPATING.

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

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

.MONSOON TROUGH FROM 13S140W TO 12S148W. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.

$$
.HONOLULU HI.






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