High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 221034
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC WED FEB 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 22 2017.
24 HOUR FORECAST VALID 0600 UTC FEB 23 2017.
48 HOUR FORECAST VALID 0600 UTC FEB 24 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N172E TO 21N160E MOVING E 25 KT. S TO SW WINDS
30 TO 40 KT WITHIN 390 NM E OF COLD FRONT N OF 26N. W TO NW WINDS
25 TO 35 KT W OF COLD FRONT N OF 24N. S TO SW WINDS 20 TO 30 KT
ELSEWHERE WITHIN 570 NM E OF COLD FRONT N OF 24N. SCATTERED
MODERATE TSTMS WITHIN 540 NM E OF COLD FRONT N OF 25N.
.24 HOUR FORECAST FRONT FROM 30N176W TO 24N177E TO 19N160E. S TO
SW WINDS 20 TO 25 KT WITHIN 240 NM E OF FRONT N OF 28N. NE WINDS 20
TO 25 KT WITHIN 180 NM N OF FRONT W OF 178E.
.48 HOUR FORECAST FRONT FROM 30N169W TO 23N177E TO 21N168E. NE
WINDS 20 TO 30 KT N OF FRONT E OF 178E. NE WINDS 20 TO 25 KT WITHIN
210 NM N OF FRONT W OF 178E.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N160W TO 29N167W MOVING E 20 KT.
.24 HOUR FORECAST COLD FRONT FROM 30N150W TO 29N159W.
.48 HOUR FORECAST FRONT FROM 30N145W TO 27N147W. W WINDS 20 TO 30
KT N OF 28N BETWEEN 146W AND 153W.

.FRONT FROM 22N140W TO 16N151W NEARLY STATIONARY AND WEAKENING.
WINDS DESCRIBED BELOW.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 23N140W TO
17N149W.
.48 HOUR FORECAST TROUGH FROM 28N142W TO 19N148W.

.NE TO E WINDS 20 TO 30 KT FROM 10N TO 25N E OF 150W...FROM 05N
TO 22N BETWEEN 150W AND 160W...AND FROM 04N TO 22N BETWEEN 160W
AND 177E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 20N TO 25N E OF
150W...FROM 08N TO 22N BETWEEN 150W AND 170W...AND FROM 04N TO 18N
BETWEEN 170W AND 178E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 10N TO 20N
BETWEEN 150W AND 170W...AND FROM 06N TO 20N BETWEEN 170W AND 165E.

.RIDGE FROM 30N147W TO 27N159W MOVING E 15 KT...AND GRADUALLY
ERODING FROM THE W.

.RIDGE FROM 30N169W TO 25N175W TO 21N168E MOVING E 15 KT.

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

.SEAS 12 TO 23 FT N OF A LINE FROM 30N171E TO 25N160E. SEAS 8 TO 12
FT ELSEWHERE N OF 23N W OF 162W. SEAS 8 TO 11 FT FROM 04N TO 23N
BETWEEN 162W AND 173E...AND FROM 06N TO 18N BETWEEN 153W AND 162W.
SEAS 8 TO 10 FT FROM 07N TO 24N E OF 153W.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 30N176W TO
24N176E TO 20N160E. SEAS 8 TO 12 FT FROM 02N TO 17N BETWEEN 170W
AND 173E...AND ELSEWHERE N OF 17N W OF 170W. SEAS 8 TO 11 FT N OF
04N BETWEEN 150W AND 170W. SEAS 8 TO 9 FT FROM 16N TO 24N E OF
150W.
.48 HOUR FORECAST SEAS 8 TO 13 FT N OF 02N BETWEEN 165W AND 170E.
SEAS 8 TO 11 FT N OF 06N W OF 170E...AND N OF A LINE FROM 23N140W
TO 10N155W TO 06N165W.

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

.SCATTERED MODERATE TSTMS FROM 02N TO 08N BETWEEN 177W AND
173E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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