High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 230445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 23 2015.
24 HOUR FORECAST VALID 0000 UTC MAY 24 2015.
48 HOUR FORECAST VALID 0000 UTC MAY 25 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW JUST N OF FORECAST AREA NEAR 33N151W 1007 MB NEARLY STATIONARY.
ASSOCIATED COLD FRONT FROM 30N149W TO 24N154W TO 22N164W MOVING E 15
KT. WINDS 20 TO 30 KT 30N TO 24N WITHIN 480 NM E OF FRONT. ALSO
WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT N OF FRONT E OF 160E. ISOLATED
MODERATE TSTMS N OF 24N WITHIN 360 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N145W TO 24N148W TO 20N158W. WINDS 20
TO 30 KT FROM 30N TO 24N WITHIN 480 NM E OF FRONT. ELSEWHERE WINDS
DIMINISHED TO 20 KT OR LESS. SEAS 8 TO 11 FT FROM 30N TO 27N BETWEEN
160W AND 142W.
.48 HOUR FORECAST FRONT FROM 30N141W TO 24N144W TO 19N148W. WINDS 20
TO 25 KT FROM 30N TO 27N WITHIN 480 NM E OF FRONT. SEAS 8 TO 10 FT
FROM 30N TO 27N BETWEEN 159W AND 140W.

.LOW NEAR 08N161W 1011 MB NEARLY STATIONARY. ASSOCIATED TSTMS
INCLUDED BELOW.
.48 HOUR FORECAST LOW DISSIPATED.

.TROUGH FROM 06N140W TO 09N149W. ASSOCIATED TSTMS INCLUDED BELOW.
.24 HOUR FORECAST TROUGH FROM 07N140W TO 05N150W.
.48 HOUR FORECAST TROUGH FROM 07N140W TO 04N160W.

.TROUGH FROM 08N160E TO 07N169E. ASSOCIATED TSTMS INCLUDED BELOW.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N170E TO 28N160E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE SCATTERED MODERATE TO STRONG TSTMS SW OF A LINE FROM
17N160E TO 05N177E. ALSO ISOLATED MODERATE TO STRONG TSTMS S OF 10N
E OF 162W.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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