National Weather Service United States Department of Commerce

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FZPN40 PHFO 231534
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED MAY 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2018.
24 HOUR FORECAST VALID 1200 UTC MAY 24 2018.
48 HOUR FORECAST VALID 1200 UTC MAY 25 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING FRONT FROM 30N144W TO 27N153W TO 26N166W MOVING ESE 15
KT. NE TO E WINDS 20 TO 25 KT WITHIN 60 NM N OF FRONT...AND FROM 11N
TO 23N BETWEEN 152W AND 177W.
.24 HOUR FORECAST WEAKENING FRONT FROM 26N140W TO 25N159W. NE TO E
WINDS 20 TO 25 KT FROM 10N TO 27N BETWEEN 152W AND 166W...AND FROM
13N TO 18N BETWEEN 166W AND 178W.
.48 HOUR FORECAST FRONT DISSIPATED. NE TO E WINDS 20 TO 25 KT FROM
11N TO 24N BETWEEN 143W AND 164W...AND FROM 07N TO 20N BETWEEN 164W
AND 170E.

.RIDGE FROM 30N174E TO 23S167E TO 20S160E NEARLY STATIONARY.

.S WINDS 20 TO 30 KT N AND W OF LINE FROM 30N165E TO 25N160E.
.24 HOUR FORECAST SW TO S WINDS 20 TO 25 KT ALONG 30N BETWEEN 162E
AND 170E.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.SEAS 8 TO 9 FT FROM 10N TO 16N BETWEEN 153W AND 179W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 17N BETWEEN 153W AND
173W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 09N TO 15N BETWEEN 156W AND
178W.

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

.ITCZ FROM 09N140W TO 08N156W TO 06N165W TO 03N176W...AND FROM
03N163E TO 04N160E. ISOLATED MODERATE TO STRONG TSTMS S OF 12N W OF
153W...AND FROM 05N AND 11N E OF 153W.

.ISOLATED MODERATE TSTMS N OF 26N W OF 162E...FROM 21N TO 25N
BETWEEN 172W AND 178W...AND FROM 12N TO 15N BETWEEN 163W AND
179W...AND WITHIN 60 NM OF 19N176W.

$$

.HONOLULU FORECAST OFFICE.


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