High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 011030
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SUN FEB 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 01 2015.
24 HOUR FORECAST VALID 0600 UTC FEB 02 2015.
48 HOUR FORECAST VALID 0600 UTC FEB 03 2015.

.WARNINGS.

...GALE WARNING...
.LOW 28N171E 1004 MB MOVING NE 10 KT. WARM FRONT FROM LOW TO 30N173E
MOVING N 10 KT. COLD FRONT FROM LOW TO 25N173E TO 17N166E MOVING E
SLOWLY. WINDS 20 TO 30 KT BETWEEN LOW AND FRONTS AND 177E N OF 24N.
WINDS 20 TO 25 KT WITHIN 120 NM E OF COLD FRONT FROM 22N TO 24N.
ISOLATED MODERATE TSTMS N OF 27N BETWEEN 177W AND 173E.
.24 HOUR FORECAST LOW MOVED FAR N OF FORECAST AREA. FRONT FROM
30N180E TO 25N176W TO 17N172E. WINDS 25 TO 35 KT WITHIN 240 NM E OF
FRONT N OF 22N...AND WITHIN 180 NM W OF FRONT N OF 24N. WINDS 20 TO
30 KT ELSEWHERE OVER FORECAST WATERS N OF A LINE FROM 30N170W TO
22N171W TO 20N180E TO 23N175E.
.48 HOUR FORECAST NEW LOW 30N162W 992 MB. FRONT FROM LOW TO 25N162W
TO 19N180E TO 18N175E. WINDS 30 TO 45 KT WITHIN 360 NM E OF FRONT N
OF 24N. WINDS 25 TO 35 KT WITHIN 270 NM W OF FRONT N OF 27N. WINDS
20 TO 30 KT ELSEWHERE OVER FORECAST WATERS N OF A LINE FROM 30N152W
TO 25N154W TO 21N159W TO 22N164W TO 30N170W.

.SYNOPSIS AND FORECAST.

.COLD FRONT JUST W OF AREA MOVING E 25 KT.
.24 HOUR FORECAST COLD FRONT FROM 30N170E TO 25N167E TO 20N160E.
WINDS 20 TO 30 KT WITHIN 270 NM E OF FRONT N OF 25N...AND WITHIN 180
NM W OF FRONT N OF 26N.
.48 HOUR FORECAST FRONT FROM 30N174W TO 26N176W TO 22N176E TO
16N160E. WINDS 20 TO 30 KT WITHIN 210 NM E OF FRONT N OF 26N...AND
WITHIN 540 NM W OF FRONT N OF 25N.

.FRONT FROM 30N142W TO 23N152W NEARLY STATIONARY. ISOLATE MODERATE
TSTMS WITHIN 90 NM E OF FRONT N OF 27N.
.24 HOUR FORECAST FRONT FROM 30N143W TO 22N154W.
.48 HOUR FORECAST FRONT MERGED WITH FRONT DESCRIBED BELOW.

.COLD FRONT FROM 30N148W TO 25N154W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT FROM 30N146W TO 26N153W TO 26N160W.
.48 HOUR FORECAST FRONT FROM 30N146W TO 26N150W.

.TROUGH FROM 03N160E TO 01N165E NEARLY STATIONARY. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS SW OF A LINE FROM 09N160E TO
00N174E.
.24 HOUR FORECAST TROUGH FROM 03N160E TO 02N168E.
.48 HOUR FORECAST TROUGH FROM 03N160E TO 02N168E.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 147W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 14N E OF
150W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.HIGH JUST N OF AREA NEAR 31N172W 1020 MB MOVING E 30 KT. RIDGE
FROM HIGH TO 30N171W TO 29N165W TO 23N157W MOVING E 30 KT.
.24 HOUR FORECAST HIGH 30N157W 1018 MB.
.48 HOUR FORECAST HIGH MOVED FAR N OF AREA.

.RIDGE FROM 26N140W TO 23N149W NEARLY STATIONARY.

.RIDGE FROM 30N165E TO 22N160E TO 22N161W MOVING E 25 KT.

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

.SEAS 8 TO 11 FT N OF 16N W OF 180E...AND N OF 07N E OF 180E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 24N W OF 180E...AND N OF A
LINE FROM 29N140W TO 26N155W TO 30N173W. SEAS 8 TO 10 FT FROM 06N TO
22N E OF 152W...AND FROM 06N TO 17N BETWEEN 152W AND 170W.
.48 HOUR FORECAST SEAS 11 TO 15 FT N OF 24N BETWEEN 157W AND 171W.
SEAS 11 TO 13 FT N OF 28N BETWEEN 177W AND 175E. SEAS 8 TO 12 FT
ELSEWHERE N OF A LINE FROM 28N140W TO 20N152W TO 21N174W TO 25N172E
TO 18N160E.

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

.ITCZ FROM 07N140W TO 06N150W TO 07N165W TO 06N178E. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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