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National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 251025
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE SEP 25 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 25 2018.
24 HOUR FORECAST VALID 0600 UTC SEP 26 2018.
48 HOUR FORECAST VALID 0600 UTC SEP 27 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 28N167W 1005 MB MOVING E SLOWLY. TROUGH FROM 27N162W TO 20N165W
TO 15N171W MOVING E 10 KT. SE TO S WINDS 20 TO 25 KT N OF 25N
BETWEEN 156W AND 162W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
LOW...AND N OF 18N BETWEEN 159W AND 164W.
.24 HOUR FORECAST LOW DISSIPATED. NEW FRONT FROM 30N163W TO 25N167W.
TROUGH FROM 25N159W TO 17N164W TO 13N171W. S WINDS 20 TO 30 KT N OF
25N BETWEEN 153W AND 158W. N WINDS 20 TO 25 KT N OF 28N BETWEEN
164W AND 172W. NE WINDS 20 TO 25 KT N OF 26N BETWEEN 172W AND 179E.
.48 HOUR FORECAST FRONT MERGED WITH TROUGH. RESULTANT FRONT FROM
30N154W TO 24N160W TO 18N175W. S TO SW WINDS 20 TO 25 KT BETWEEN
FRONT AND 150W N OF 27N. NE TO E WINDS 20 TO 25 KT FROM 22N TO 26N
BETWEEN 172W AND 175E.

.TROUGH FROM 13N150W TO 12N160W TO 13N166W NEARLY STATIONARY.
ISOLATED MODERATE TO STRONG TSTMS FROM 11N TO 14N BETWEEN 151W AND
157W.
.24 HOUR FORECAST TROUGH FROM 15N157W TO 08N164W.
.48 HOUR FORECAST TROUGH FROM 17N158W TO 12N159W.

.TROUGH FROM 14N178W TO 12N172E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS FROM 13N TO 19N BETWEEN 167E AND 178W.
.24 HOUR FORECAST TROUGH FROM 14N179E TO 10N168E.
.48 HOUR FORECAST WEAK TROUGH FROM 12N170E TO 12N162E.

.TROUGH FROM 03N160E TO 02N163E TO 04N168E NEARLY STATIONARY.
SCATTERED MODERATE TO STRONG TSTMS S OF 04N BETWEEN 161E AND 165E.
.24 HOUR FORECAST NEW LOW 05N160E 1005 MB. TROUGH FROM LOW TO
01N164E. WINDS 20 TO 25 KT S OF 02N W OF 162E.
.48 HOUR FORECAST LOW MOVED W OF FORECAST AREA. TROUGH DISSIPATED.
WINDS 20 TO 25 KT S OF 09N W OF 162E.

.24 HOUR FORECAST NEW LOW 10N140W 1010 MB.
.48 HOUR FORECAST LOW 11N144W 1010 MB. WINDS 20 TO 25 KT FROM 12N TO
16N E OF 145W.

.HIGH 08N169W 1010 MB NEARLY STATIONARY. RIDGE FROM 08N178E TO HIGH
TO 05N162W TO 07N154W TO 12N148W.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N149W TO 16N160W MOVING E 10 KT.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 10 FT N OF 26N BETWEEN 160W AND 164W.

24 HOUR FORECAST SEAS 8 TO 10 FT N OF 27N BETWEEN 154W AND 159W

AND S OF 02N W OF 163E.
.48 HOUR FORECAST SEAS 8 TO 11 FT FROM 01N TO 08N W OF 164E. SEAS 8
TO 10 FT N OF 27N BETWEEN 159W AND 173W. SEAS 8 TO 9 FT FROM 23N TO
26N BETWEEN 174W AND 174E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 04N TO 09N BETWEEN 172E AND 175E.



.FORECASTER KINEL. HONOLULU HI.