High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 110325
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN DEC 11 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 11 2016.
24 HOUR FORECAST VALID 0000 UTC DEC 12 2016.
48 HOUR FORECAST VALID 0000 UTC DEC 13 2016.

.WARNINGS.

...GALE WARNING...
FRONT FROM 30N171E TO 25N160E MOVING E 20 KT. WINDS 20 TO 35 KT N
OF 26N BETWEEN 165E AND 175W. ISOLATED MODERATE TSTMS WITHIN 90 NM
OF FRONT N OF 28N.
.24 HOUR FORECAST FRONT FROM 30N178E TO 25N170E TO 23N160E. WINDS
20 TO 30 KT N OF 28N BETWEEN 177E AND 176W.
.48 HOUR FORECAST FRONT FROM 30N175W TO 26N178E. WINDS DIMINISHED
TO 20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.LOW 25N163W 1012 MB MOVING NE 10 KT. FRONT FROM 30N153W TO LOW TO
20N169W MOVING E SLOWLY. ISOLATED MODERATE TSTMS N OF 26N BETWEEN
152W AND 162W.
.24 HOUR FORECAST LOW 29N155W 1014 MB. FRONT FROM 30N152W TO LOW
TO 24N157W TO 18N158W. WINDS 20 TO 25 KT N OF 26N BETWEEN 143W AND
148W.
.48 HOUR FORECAST LOW 30N146W 1010 MB. FRONT FROM LOW TO 23N152W
18N157W. WINDS 20 TO 30 KT N OF 27N E OF 146W.

.24 HOUR FORECAST NEW FRONT NEAR 30N160E. WINDS 20 TO 25 KT N OF
28N W OF 164E.
.48 HOUR FORECAST FRONT FROM 30N175E TO 23N160E. WINDS 20 TO 25
KT W OF FRONT.

.TROUGH FROM 03N168E TO 04N160E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS FROM 03N TO 07N W OF 170E.
.24 HOUR FORECAST TROUGH FROM 02N163E TO 03N160E.
.48 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.RIDGE FROM 24N140W TO 20N154W NEARLY STATIONARY.

.RIDGE FROM 30N179E TO 22N160E MOVING ESE 15 KT.

.E WINDS 20 T0 25 KT FROM 09N TO 15N E OF 150W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 09N TO 14N E OF 148W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 8 TO 10 FT N OF A LINE 28N158W TO 26N175W TO 25N175E TO
27N165E.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF A LINE 28N160W TO 27N170W
TO 28N176E.
.48 HOUR FORECAST SEAS 8 TO 12 FT W OF A LINE 30N172E TO 24N160E.
SEAS 8 TO 10 FT N OF 27N BETWEEN 152W AND 166W.

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

.ITCZ FROM 07N140W TO 08N155W TO 10N165W TO 07N175W TO 06N170E.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF ITCZ.

$$

.FORECASTER BURKE. HONOLULU HI.



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