High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 220445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI MAY 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2015.
24 HOUR FORECAST VALID 0000 UTC MAY 23 2015.
48 HOUR FORECAST VALID 0000 UTC MAY 24 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N155W 25N164W 23N180W MOVING SE 15 KT. WINDS 20 TO 25 KT
N OF 27N BETWEEN 158W AND 168W. ISOLATED MODERATE TSTMS WITHIN 90
NM OF FRONT N OF 27N.
.24 HOUR FORECAST FRONT 30N149W 24N155W 22N170W. WINDS 20 TO 25 KT
N OF 26N BETWEEN 142W AND 156W.
.48 HOUR FORECAST DISSIPATING FRONT 30N145W 22N153W 20N162W. WINDS
20 TO 25 KT N OF 24N E OF 144W.

.TROUGH 15N165E 09N169E 01N167E MOVING W SLOWLY AND DISSIPATING.
ISOLATED MODERATE TSTMS S OF 06N W OF 174E...AND WITHIN 120 NM OF
TROUGH N OF 12N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 13N162W 08N161W 05N163W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS FROM 08N TO 11N BETWEEN 157W AND 164W.
.24 HOUR FORECAST TROUGH 12N163W 08N162W 05N164W.
.48 HOUR FORECAST TROUGH 12N164W 09N163W 06N165W.

.MONSOON TROUGH 07N140W 06N154W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF MONSOON TROUGH.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.RIDGE 30N140W 24N160W MOVING SE 10KT AND ERODING FROM THE W.

.RIDGE 30N174E 26N160E MOVING NE SLOWLY.

.NE TO E WINDS 20 TO 25 KT FROM 12N TO 17N W OF 172E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 14N TO 17N W OF
167E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 8 TO 9 FT FROM 12N TO 16N BETWEEN 165E AND 175E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 26N BETWEEN 154W AND 161W.
SEAS 8 TO 9 FT FROM 14N TO 17N W OF 168E.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF 27N BETWEEN 142W AND 160W.

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

.ITCZ 03N166W 04N176E. ISOLATED MODERATE TSTMS S OF 07S BETWEEN 177W
AND 175E.

$$
.FORECASTER BURKE. HONOLULU HI.




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