High Seas Forecast
Issued by NWS

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FZPN40 PHFO 221534
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE MAY 22 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 22 2018.
24 HOUR FORECAST VALID 1200 UTC MAY 23 2018.
48 HOUR FORECAST VALID 1200 UTC MAY 24 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N153W TO 28N160W TO 28N167W MOVING SE 10 KT. TROUGH
FROM 30N151W TO 28N152W TO 27N152W NEARLY STATIONARY AND WEAKENING.
.24 HOUR FORECAST FRONT FROM 30N141W TO 27N150W TO 27N165W. TROUGH
DISSIPATED. NE TO E WINDS 20 TO 25 KT WITHIN 60 NM N OF FRONT W OF
154W.
.48 HOUR FORECAST WEAKENING FRONT FROM 26N140W TO 26N142W TO
24N155W. WINDS EASED TO 20 KT OR LESS.

.NE TO E WINDS 20 TO 25 KT FROM 10N TO 17N BETWEEN 149W AND
156W...AND FROM 12N TO 23N BETWEEN 156W AND 177E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 17N BETWEEN
152W AND 160W...AND FROM 11N TO 23N BETWEEN 160W AND 178W.  S WINDS
20 TO 25 KT N OF LINE FROM 28N160E TO 30N165E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 10N TO 24N BETWEEN
150W AND 164W...FROM 10N TO 21N BETWEEN 164W AND 172W. S TO SW WINDS
20 TO 25 KT N OF LINE FROM 28N161E TO 30N169E.

.SEAS 8 TO 9 FT FROM 13N TO 16N BETWEEN 146W AND 158W...AND FROM 10N
TO 16N BETWEEN 163W AND 180W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 153W AND
178W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 154W AND
171W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ITCZ FROM 06N140W TO 05N156W TO 05N173W TO 07N173E TO 07N160E.
SCATTERED MODERATE TO STRONG TSTMS FROM 06N TO 09N BETWEEN 160E AND
164E...FROM 03N TO 06N BETWEEN 166E AND 168E...AND FROM 06N TO 08N
BETWEEN 162W AND 165W. ISOLATED MODERATE TSTMS ELSEWHERE S OF 10N W
OF 170E...FROM 02N TO 10N E OF 170E...AND FROM 10N TO 12N BETWEEN
146W AND 151W.

.ISOLATED MODERATE TSTMS FROM 12N TO 14N BETWEEN 169E AND
172E...FROM 20N TO 27N BETWEEN 170W AND 175W...AND WITHIN 60 NM OF
25N176E.

$$

.HONOLULU FORECAST OFFICE.



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