High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 301525
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 30 2017.
24 HOUR FORECAST VALID 1200 UTC MAR 31 2017.
48 HOUR FORECAST VALID 1200 UTC APR 01 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N164W TO 24N175W TO 16N160E MOVING E 15 KT N OF
24N...AND NEARLY STATIONARY ELSEWHERE. SW WINDS 20 TO 25 KT WITHIN
90 NM E OF FRONT N OF 29N...AND NE WINDS 20 TO 25 KT WITHIN 180 NM
N OF FRONT W OF 180E. ISOLATED MODERATE TSTMS WITHIN 210 NM OF
FRONT W OF 165E.
.24 HOUR FORECAST FRONT FROM 30N157W TO 22N180E TO 17N160E. NE TO E
WINDS 20 TO 25 KT WITHIN 270 NM N OF FRONT W OF 180E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N161W TO 23N180E.
WINDS DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 08N167E TO 01N164E MOVING W SLOWLY. SCATTERED MODERATE
TO STRONG TSTMS S OF 10N W OF 168E.
.24 HOUR FORECAST TROUGH FROM 08N166E TO 01N162E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 23N E OF 153W...FROM 08N TO
16N BETWEEN 153W AND 170W...AND FROM 07N TO 12N W OF 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 20N E OF
150W...FROM 07N TO 18N BETWEEN 150W AND 165W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N E OF
160W.

.HIGH JUST W OF AREA 28N158E 1025 MB MOVING E 35 KT. RIDGE FROM HIGH
TO 28N160E TO 28N174E TO 26N175W MOVING E 35 KT.
.24 HOUR FORECAST HIGH 28N174E 1023 MB.
.48 HOUR FORECAST HIGH 29N179W 1021 MB.

.RIDGE FROM 30N148W TO 23N170W MOVING E SLOWLY...AND GRADUALLY
ERODING FROM THE W.

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

.SEAS 12 TO 23 FT N OF A LINE FROM 30N165W TO 17N176E TO 30N169E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N162W TO 12N180E TO
12N160E. SEAS 8 TO 10 FT FROM 02N TO 27N E OF 157W...AND FROM 02N
TO 18N BETWEEN 157W AND 174W. SEAS 8 TO 9 FT FROM 04N TO 12N
BETWEEN 174W AND 171E.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 30N153W TO
18N167W TO 30N174W. SEAS 8 TO 12 FT ELSEWHERE N OF 03N BETWEEN 151W
AND 170E. SEAS 8 TO 10 FT FROM 04N TO 23N E OF 151W...AND FROM 12N
TO 23N W OF 170E.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF A LINE FROM 30N142W TO
19N151W TO 22N158W. SEAS 8 TO 12 FT ELSEWHERE N OF 03N E OF 175W.
SEAS 8 TO 10 FT FROM 02N TO 17N BETWEEN 175W AND 174E.

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

.ISOLATED MODERATE TSTMS FROM 01N TO 09N E OF 155W...AND FROM 02N
TO 09N BETWEEN 176W AND 168E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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