High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 291635
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN MAR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 29 2015.
24 HOUR FORECAST VALID 1200 UTC MAR 30 2015.
48 HOUR FORECAST VALID 1200 UTC MAR 31 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N156W TO 23N170W TO 20N180E TO 18N160E MOVING E 25 KT
ALONG 30N...AND NEARLY STATIONARY W OF 179W. NE TO E WINDS 20 TO 25
KT WITHIN 240 NM N OF FRONT W OF 174W.
.24 HOUR FORECAST FRONT FROM 30N146W TO 21N163W TO 19N174W.
ASSOCIATED WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N142W TO 29N152W TO 26N160W
THENCE TROUGH TO 21N163W. NE TO E WINDS 20 TO 25 KT FROM 26N TO 30N
BETWEEN 156W AND 165W.

.TROUGH FROM 03N162E TO 01N170E TO 01N176W NEARLY STATIONARY. SEE
BELOW FOR WINDS. SCATTERED MODERATE TO STRONG TSTMS FROM 03N TO 07N
BETWEEN 174E AND 180E. ISOLATED MODERATE TSTMS ELSEWHERE S OF LINE
FROM 01N161E TO 10N170E TO 05N173W.
.24 HOUR FORECAST TROUGH FROM 03N166E TO 01N175E. SEE BELOW FOR
WINDS.
.48 HOUR FORECAST TROUGH FROM 03N161E TO 02N174E. SEE BELOW FOR
WINDS.

.TROUGH FROM 24N159W TO 19N156W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH FROM 22N160W TO 18N157W.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DISCUSSED ABOVE.

.RIDGE FROM 30N143W TO 28N156W MOVING N SLOWLY AND GRADUALLY ERODING
FROM THE W.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N W OF 162W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 19N W OF
165W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 05N TO 17N W OF 173W.

.24 HOUR FORECAST TROUGH FROM 15N142W TO 10N141W. NE TO E WINDS 20
TO 25 KT FROM 14N TO 16N E OF 143W.
.48 HOUR FORECAST TROUGH FROM 16N146W TO 12N147W. NE TO E WINDS 20
TO 25 KT FROM 15N TO 18N BETWEEN 142W AND 148W.

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

.SEAS 8 TO 11 FT IN AREA BETWEEN LINE FROM 30N175W TO 24N175E TO
23N160E...AND LINE FROM 30N157W TO 20N167W TO 15N156W TO 10N154W TO
05N161W TO 10N171W TO 04N177W TO 04N171E TO 08N160E. SEAS 8 TO 10
FT FROM 12N TO 20N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BETWEEN LINE FROM 30N159W
TO 24N167W TO 22N173E TO 24N165E TO 19N160E...AND LINE FROM 30N147W
TO 20N153W TO 15N142W TO 10N161W TO 02N167W TO 02N174E TO 05N160E.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF 20N W OF 174W...EXCEPT SEAS
8 FT OR LESS S OF 05N W OF 173E. SEAS 8 TO 9 FT FROM 01N TO 16N
BETWEEN 170W AND 174W...FROM 26N TO 29N BETWEEN 159W AND 165W...AND
FROM 14N TO 19N BETWEEN 141W AND 158W.

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

.ISOLATED MODERATE TSTMS FROM 12N TO 14N E OF 144W.

.ITCZ FROM 06N140W TO 05N155W TO 03N169W. ISOLATED MODERATE TSTMS
FROM 04N TO 08N E OF 145W...AND WITHIN 75 NM N OF ITCZ W OF 145W...
EXCEPT WITHIN 165 NM N OF ITCZ W OF 164W.

$$

.FORECASTER KINEL. HONOLULU HI.





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