High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 231030
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT MAY 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 23 2015.
24 HOUR FORECAST VALID 0600 UTC MAY 24 2015.
48 HOUR FORECAST VALID 0600 UTC MAY 25 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N148W TO 23N152W TO 21N160W TO 20N170W TO 19S180E.
FRONT MOVING E 15 KT N OF 21N...AND NEARLY STATIONARY ELSEWHERE.
WINDS 20 TO 30 KT WITHIN 300 NM E OF FRONT N OF 28N. ISOLATED
MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT FROM 30N145W TO 27N145W TO 20N153W TO
18N172W. WINDS 20 TO 30 KT OVER FORECAST WATERS E OF FRONT N OF 26N.
ALSO...WINDS 20 TO 25 KT WITHIN 240 NM N OF FRONT W OF 165W.
.48 HOUR FORECAST FRONT FROM 30N141W TO 28N140W TO 21N147W TO
17N160W. WINDS 20 TO 25 KT OVER FORECAST WATERS E OF FRONT N OF 28N.

.TROUGH FROM 05N140W TO 05N146W TO 06N153W MOVING N SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06N140W TO 06N147W.
.48 HOUR FORECAST TROUGH FROM 07N140W TO 06N142W TO 05N149W.

.TROUGH FROM 06N160E TO 04N169E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS S OF 06N W OF 170E.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 11N156W TO 02N168W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 08N165W TO 07N170W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25N140W TO 19N150W MOVING E SLOWLY.

.RIDGE FROM 30N172E TO 28N160E NEARLY STATIONARY.

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

.SEAS 8 TO 11 FT N OF 27N BETWEEN 150W AND 159W. SEAS 8 TO 10 FT
FROM 13N TO 17N W OF 165E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N E OF 158W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 27N E OF 144W.

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

.SCATTERED MODERATE TO STRONG TSTMS S OF 08N BETWEEN 179E AND 170E.
ISOLATED MODERATE TSTMS FROM 09N TO 17N W OF 166E.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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