High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 312245
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 31 2014.
24 HOUR FORECAST VALID 1800 UTC AUG 01 2014.
48 HOUR FORECAST VALID 1800 UTC AUG 02 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.POST TROPICAL LOW GENEVIEVE NEAR 13.0N 150.8W 1009 MB MOVING W
05 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.
SEAS 8 TO 12 FT WITHIN 100 NM OF CENTER. ISOLATED TSTMS WITHIN
120 NM NW QUADRANT OF CENTER.
.24 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 12.9N 153.6W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.
SEAS 8 TO 12 FT WITHIN 100 NM OF CENTER.
.48 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 12.7N 157.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.
SEAS 8 TO 12 FT WITHIN 100 NM OF CENTER.
.72 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 12.5N 162.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 12.6N 167.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.
.120 HOUR FORECAST TROPICAL DEPRESSION GENEVIEVE NEAR 13.2N 172.8W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER.

.LOW NEAR 12N166W 1010 MB MOVING W NEAR 10 KT. ISOLATED MODERATE
TSTMS WITHIN 75 NM OF LOW.
.24 HOUR FORECAST LOW 12N168W 1009 MB.
.48 HOUR FORECAST LOW 12N171W 1010 MB.

.LOW 13N177E 1010 MB MOVING W 10 KT. SCATTERED MODERATE TSTMS WITHIN
200 NM N QUADRANT. TROUGH FROM LOW TO 13N180W TO 10N175W MOVING W 10
KT. SCATTERED MODERATE TSTMS WITHIN 100 NM OF TROUGH.
.24 HOUR FORECAST LOW 14N171E 1011 MB.
.48 HOUR FORECAST LOW DISSIPATED.

.DISSIPATING FRONT...30N173W TO 28N177W TO 25N170E. N END OF FRONT
MOVING E SLOWLY. OTHERWISE NEARLY STATIONARY. SCATTERED TSTMS ALONG
FRONT.
.24 HOUR FORECAST FRONT 30N173W TO 28N176W TO 26N175E.
.48 HOUR FORECAST FRONT 30N172W TO 28N174W TO 26N180W.

.24 HOUR FORECAST TROUGH 29N160E TO 29N166E MOVING N SLOWLY.
.36 HOUR FORECAST TROUGH MOVED N OF FCST AREA.

.TROUGH FROM 10N160E TO 07N1770E NEARLY STATIONARY AND
DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N167W TO 27N173W TO 25N175E NEARLY STATIONARY.

.E WINDS 20 TO 25 KT BETWEEN 18N AND 15N E OF 160W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT BETWEEN 20N AND 15 E OF 160W.
.48 HOUR FORECAST NO SIGNIFICANT CHANGE.

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

.SEAS 7 TO 10 FT BETWEEN 20N AND 14N E OF 160W.
.24 HOUR FORECAST SEAS 7 TO 10 FT BETWEEN 20N AND 12N E OF 160W.
.48 HOUR FORECAST NO SIGNIFICANT CHANGE.

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

.ITCZ FROM 12N140W TO GENEVIEVE TO 12N160W TO LOW AT 12N166W.

.SCATTERED TSTMS FROM 11N TO 08N E OF 148W.

$$

.FORECASTER LAU. HONOLULU HI.








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