High Seas Forecast
Issued by NWS

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630
FZPN40 PHFO 211548 CCA
HSFNP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE FEB 21 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 21 2017.
24 HOUR FORECAST VALID 1200 UTC FEB 22 2017.
48 HOUR FORECAST VALID 1200 UTC FEB 23 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT W OF FORECAST AREA MOVING E 35 KT. S TO SW WINDS 25 TO
40 KT N OF A LINE FROM 30N172E TO 27N166E 27N160E.
.24 HOUR FORECAST FRONT FROM 30N176E TO 24N170E TO 19N160E. S TO SW
WINDS 25 TO 40 KT WITHIN 480 NM E OF FRONT N OF 26N. N TO NW WINDS
20 TO 30 KT W OF FRONT...AND S TO SW WINDS 20 TO 30 KT ELSEWHERE
WITHIN 630 NM E OF FRONT N OF 24N.
.48 HOUR FORECAST FRONT FROM 30N174W TO 22N176E TO 19N160E. S TO SW
WINDS 20 TO 30 KT WITHIN 270 NM E OF FRONT N OF 28N. N TO NE WINDS
20 TO 25 KT WITHIN 210 NM N OF FRONT W OF 178E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N160W TO 27N175W TO 23N180E MOVING E 25 KT N OF 27N...
AND NEARLY STATIONARY ELSEWHERE. SW WINDS 20 TO 25 KT WITHIN 120 NM
E OF FRONT N OF 29N.
.24 HOUR FORECAST FRONT FROM 30N154W TO 29N163W. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N146W TO 27N152W.

.WEAKENING FRONT FROM 21N140W TO 16N153W NEARLY STATIONARY. NE TO E
WINDS 20 TO 25 KT WITHIN 270 NM N OF FRONT W OF 143W...AND FROM FRONT
TO 08N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 21N140W TO 18N150W.
NE TO E WINDS 20 TO 25 KT WITHIN 180 NM N OF TROUGH.
.48 HOUR FORECAST TROUGH FROM 22N140W TO 17N150W. WINDS DIMINISHED
TO 20 KT OR LESS.

.NE TO E WINDS 20 TO 30 KT FROM 06N TO 21N BETWEEN 153W AND 161W...
AND FROM 06N TO 19N BETWEEN 161W AND 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 07N TO 24N BETWEEN
150W AND 170W...AND FROM 07N TO 20N BETWEEN 170W AND 180E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 07N TO 22N BETWEEN
150W AND 170W...AND FROM 04N TO 17N BETWEEN 170W AND 165E.

.RIDGE FROM 30N149W TO 26N140W MOVING ENE 10 KT.

.RIDGE FROM 30N156W TO 26N168W MOVING ENE 10 KT.

.RIDGE FROM 30N178E TO 22N161E MOVING E 25 KT.

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

.SEAS 8 TO 12 FT N OF 20N E OF 152W...AND N OF 20N W OF 170W. SEAS
8 TO 11 FT FROM 03N TO 20N BETWEEN 160W AND 170E...AND FROM 07N TO
20N E OF 160W.
.24 HOUR FORECAST SEAS 12 TO 23 FT N OF A LINE FROM 30N175E TO
23N160E. SEAS 8 TO 12 FT FROM 04N TO 21N BETWEEN 160W AND 175E...
AND ELSEWHERE N OF 21N W OF 160W. SEAS 8 TO 11 FT FROM 04N TO 23N
E OF 160W.
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N173W TO
22N175E TO 21N163E. SEAS 8 TO 12 FT ELSEWHERE N OF 02N BETWEEN 170W
AND 170E...AND ELSEWHERE N OF 16N W OF 170E. SEAS 8 TO 11 FT N OF
07N BETWEEN 150W AND 160W...AND FROM 03N TO 24N BETWEEN 160W AND
170W.

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

.ISOLATED MODERATE TSTMS S OF 04N W OF 167E.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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