High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 021030
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU JUL 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 02 2015.
24 HOUR FORECAST VALID 0600 UTC JUL 03 2015.
48 HOUR FORECAST VALID 0600 UTC JUL 04 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 07N173E 1004 MB NEARLY STATIONARY. TROUGH FROM 11N160E TO
07N168E TO LOW TO 07N170E NEARLY STATIONARY. WINDS 20 TO 30 KT
WITHIN 390 NM SW QUADRANT AND WITHIN 210 NM N SEMICIRCLE OF LOW.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM OF LOW...AND
ELSEWHERE WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST LOW 08N172E 1003 MB. TROUGH FROM 12N160E TO LOW TO
07N178E. WINDS 20 TO 30 KT WITHIN 420 NM N QUADRANT OF LOW. WINDS
20 TO 25 KT ELSEWHERE WITHIN 210 NM OF LOW.
.48 HOUR FORECAST LOW 10N168E 1003 MB. TROUGH FROM 12N160E TO LOW TO
09N174E. WINDS 20 TO 25 KT WITHIN 210 NM N AND NE QUADRANTS OF LOW.

.FRONT FROM 30N157W TO 25N161W TO 23N165W TO 21N177W. FRONT MOVING
SE SLOWLY N OF 23N...AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 30N157W TO 25N160W TO 20N170W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N157W TO 23N162W.

.TROUGH FROM 13N158W TO 05N158W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 13N160W TO 06N160W.
.48 HOUR FORECAST TROUGH FROM 12N163W TO 06N163W.

.TROUGH FROM 13N173W TO 05N175W MOVING W 15 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST DISSIPATING TROUGH FROM 13N180E TO 09N180E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.E TO NE WINDS 20 TO 25 KT FROM 12N TO 20N W OF 170E.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT FROM 12N TO 22N W OF
163E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.24 HOUR FORECAST NEW FRONT FROM 30N163W TO 25N167W.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N161W TO 25N165W.

.RIDGE FROM 30N147W TO 27N151W TO 23N158W NEARLY STATIONARY.

.RIDGE FROM 30N176E TO 27N166W NEARLY STATIONARY.

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

.SEAS 8 TO 11 FT FROM 04N TO 19N BETWEEN 177E AND 167E. SEAS 8 TO 10
FT S OF 18N W OF 163E. SEAS 8 TO 9 FT FROM 11N TO 15N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 11 FT FROM 04N TO 18N BETWEEN 176E AND
169E. SEAS 8 TO 10 FT S OF 22S W OF 163E.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 11N TO 18N W OF 172E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ FROM 09N140W TO 08N153W. SCATTERED MODERATE TO LOCALLY STRONG
TSTMS WITHIN 210 NM N OF ITCZ...AND WITHIN 360 NM S OF ITCZ E OF
144W.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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