The High Seas Forecast for the Central North Pacific

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FZPN40 PHFO 301630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI JAN 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 30 2015.
24 HOUR FORECAST VALID 1200 UTC JAN 31 2015.
48 HOUR FORECAST VALID 1200 UTC FEB 01 2015.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N168E TO 23N164E TO 20N160E. FRONT MOVING E 20 KT N OF
23N...AND NEARLY STATIONARY ELSEWHERE. WINDS 25 TO 35 KT OVER
FORECAST WATERS N OF 27N BETWEEN 170E AND 162E. WINDS 20 TO 30 KT
ELSEWHERE N OF A LINE FROM 30N173E TO 23N168E TO 25N160E. ISOLATED
MODERATE TSTMS WITHIN 360 NM E OF FRONT N OF 23N.
.24 HOUR FORECAST FRONT FROM 30N173E TO 25N169E TO 18N162E. WINDS 20
TO 25 KT WITHIN 210 NM E OF FRONT N OF 27N.
.48 HOUR FORECAST FRONT FROM 30N174E TO 27N175E TO 18N165E. WINDS 20
TO 30 KT WITHIN 240 NM E OF FRONT N OF 24N.

...GALE WARNING...
.COMPLEX SYSTEM WITH MAIN FRONT FROM 30N150W TO 24N156W TO 20N167W
TO 19N179W...MOVING E 30 KT E OF 167W...AND NEARLY STATIONARY
ELSEWHERE. SECOND WEAKENING FRONT FROM 27N150W TO 22N156W NEARLY
STATIONARY. WINDS 25 TO 40 KT N OF A LINE FROM 30N143W TO 25N148W TO
26N152W TO 30N157W. WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM
28N140W TO 24N148W TO 25N154W TO 28N160W TO 30N172W.
.24 HOUR FORECAST FRONTS MERGED. FRONT FROM 30N143W TO 25N148W TO
19N157W. WINDS 20 TO 30 KT WITHIN 150 NM E OF FRONT N OF 27N.
.48 HOUR FORECAST FRONT FROM 30N143W TO 20N157W. WINDS 20 TO 25 KT
WITHIN 90 NM E OF FRONT N OF 29N.

.SYNOPSIS AND FORECAST.

.LOW JUST W OF FORECAST AREA NEAR 03N159E 1007 MB MOVING W SLOWLY.
TROUGH FROM LOW TO 03N160E TO 04N166E NEARLY STATIONARY. SCATTERED
MODERATE TSTMS S OF 08N W OF 176E.
.24 HOUR FORECAST TROUGH FROM 02N160E TO 01N167E.
.48 HOUR FORECAST TROUGH FROM 02N160E TO 02N167E.

.NE TO E WINDS 20 TO 25 KT FROM 12N TO 19N BETWEEN 170W AND 175E...
AND FROM 07N TO 13N E OF 148W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 14N E OF
153W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 13N E OF
159W.

.48 HOUR FORECAST NEW COLD FRONT FROM 30N162E TO 26N160E.

.48 HOUR FORECAST NEW FRONT FROM 30N148W TO 25N161W.

.RIDGE FROM 24N140W TO 19N151W NEARLY STATIONARY.

.RIDGE FROM 30N179W TO 22N168W MOVING E 10 KT.

.RIDGE FROM 30N177E TO 21N168E MOVING E 10 KT.

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

.SEAS 12 TO 17 FT NW OF A LINE FROM 30N167E TO 27N164E TO 25N160E.
SEAS 12 TO 16 FT N OF A LINE FROM 30N146W TO 24N161W TO 30N178W.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N145W TO 23N145W TO
18N169W TO 04N180E TO 09N160E. SEAS 8 TO 10 FT N OF 07N E OF 145W.
.24 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N146W TO
26N167W TO 30N174W. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
30N141W TO 18N160W TO 12N178E TO 18N160E. SEAS 8 TO 10 FT FROM 08N
TO 17N E OF 153W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 05N180E TO
20N160E. SEAS 8 TO 10 FT N OF 06N E OF 180E.

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

.ISOLATED MODERATE TSTMS S OF 03N BETWEEN 168W AND 178W.

.ITCZ FROM 06N140W TO 07N155W TO 02N168W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ.

$$
.FORECASTER HOUSTON. HONOLULU HI.




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