High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 301021
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 30 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 31 2017.
48 HOUR FORECAST VALID 0600 UTC APR 01 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N166W TO 22N180E TO 16N160E MOVING E 20 KT N OF
22N...AND NEARLY STATIONARY ELSEWHERE. SW WINDS 20 TO 25 KT WITHIN
150 NM E OF FRONT N OF 29N...AND NE WINDS 20 TO 25 KT WITHIN 210 NM
N OF FRONT W OF 178E. ISOLATED MODERATE TSTMS WITHIN 150 NM OF
FRONT W OF 167E.
.24 HOUR FORECAST FRONT FROM 30N159W TO 24N170W TO 20N176E TO
17N160E. NE TO E WINDS 20 TO 25 KT WITHIN 210 NM N OF FRONT W OF
164W.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N159W TO 23N180E. WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 06N168E TO 01N164E MOVING W SLOWLY. SCATTERED MODERATE
TO STRONG TSTMS FROM 01N TO 09N W OF 170E.
.24 HOUR FORECAST TROUGH FROM 06N166E TO 01N163E.
.48 HOUR FORECAST TROUGH FROM 06N163E TO 03N160E.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 22N E OF 152W...FROM 08N TO
16N BETWEEN 152W AND 160W...AND FROM 04N TO 12N W OF 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 22N E OF
150W...FROM 07N TO 18N BETWEEN 150W AND 160W...AND FROM 05N TO 12N
BETWEEN 180E AND 168E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 22N E OF
154W...AND FROM 08N TO 18N BETWEEN 154W AND 165W.

.48 HOUR FORECAST NEW TROUGH FROM 27N164W TO 22N165W.

.HIGH W OF AREA MOVING E 30 KT. RIDGE FROM HIGH TO 28N160E TO
25N179W MOVING E 30 KT.
.24 HOUR FORECAST HIGH 28N173E 1022 MB.
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.RIDGE FROM 30N148W TO 21N176W 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 30N166W TO 18N173E TO 30N166E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N164W TO 12N171E TO
12N160E. SEAS 8 TO 10 FT FROM 02N TO 27N E OF 157W...AND FROM 03N
TO 18N BETWEEN 158W AND 170W. SEAS 8 TO 9 FT FROM 04N TO 11N
BETWEEN 170W AND 177E.
.24 HOUR FORECAST SEAS 12 TO 19 FT N OF A LINE FROM 30N156W TO
18N170W TO 30N178W. SEAS 8 TO 12 FT ELSEWHERE N OF 04N BETWEEN 156W
AND 170E. SEAS 8 TO 10 FT FROM 03N TO 25N E OF 156W...AND FROM 12N
TO 24N W OF 170E.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N144W TO
20N153W TO 23N162W. SEAS 8 TO 12 FT ELSEWHERE N OF 02N E OF 180E.
SEAS 8 TO 9 FT FROM 07N TO 19N BETWEEN 180E AND 168E.

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

.ISOLATED MODERATE TSTMS FROM 03N TO 09N E OF 152W...AND FROM 04N
TO 10N BETWEEN 180E AND 170E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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