High Seas Forecast
Issued by NWS

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130
FZPN40 PHFO 241002
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE APR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 24 2018.
24 HOUR FORECAST VALID 0600 UTC APR 25 2018.
48 HOUR FORECAST VALID 0600 UTC APR 26 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N176E TO 23N164E TO 26N160E MOVING SE SLOWLY.
NE TO E WINDS 20 TO 25 KT N OF 28N W OF 170E.
.24 HOUR FORECAST FRONT FROM 30N179W TO 27N167E. NE TO E WINDS 20
TO 25 KT N OF FRONT W OF 171E.
.48 HOUR FORECAST FRONT 30N172W TO 26N172E. NE TO E WINDS 20 TO 25
KT N OF FRONT.

.WEAKENING COLD FRONT FROM 30N140W TO 26N159W MOVING SE SLOWLY. NE
TO E WINDS 20 TO 25 KT WITHIN 120 NM N OF FRONT W OF 150W.
.24 HOUR FORECAST WEAK FRONT FROM 26N140W TO 24N150W TO 23N156W. NE
TO TO E WINDS 20 TO 25 KT WITHIN 150 NM N OF FRONT W OF 145W.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS DIMINISHED TO 20 KT OR
LESS.

.NE TO E WINDS 20 TO 30 KT FROM 12N TO 23N BETWEEN 160W AND 180E.
NE TO E WINDS 20 TO 25 KT FROM 10N TO 25N BETWEEN 150W AND 160W...
AND FROM 12N TO 19N BETWEEN 180E AND 165E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 12N TO 24N BETWEEN
160W AND 180E. NE TO E WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN
144W AND 160W...AND FROM 10N TO 25N W OF 180E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 12N TO 18N BETWEEN
145W AND 150W...FROM 12N TO 26N BETWEEN 160W AND 175E...AND FROM
10N TO 25N W OF 175E.

.RIDGE FROM 30N174W TO 28N176E MOVING NNE SLOWLY.

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

.SEAS 8 TO 11 FT FROM 10 TO 22N BETWEEN 162W AND 168E. SEAS 8 TO
9 FT N OF 20N E OF 162W.
.24 HOUR FORECAST SEAS 8 TO 11 FT FROM 10N TO 23N W OF 162W. SEAS
8 TO 9 FT FROM 10N TO 18N E OF 162W...AND FROM 22N TO 26N BETWEEN
146W AND 160W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF 10 N BETWEEN 168W AND 170E.
SEAS 8 TO 10 FT FROM 11N TO 24N BETWEEN 160W AND 168W...AND FROM
10N TO 26N W OF 180W. SEAS 8 TO 9 FT FROM 12N TO 16N BETWEEN 147W
AND 160W.

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

.SCATTERED MODERATE TSTMS S OF 13N W OF 166E. ISOLATED MODERATE
TSTMS FROM 06N TO 12N BETWEEN 171E AND 166E.

.ITCZ FROM 07N140W TO 10N156W TO 10N166W TO 07N180E TO 06N173E.
SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM S OF ITCZ
BETWEEN 155W AND 170W. ISOLATED MODERATE TSTMS WITHIN 210 NM N OF
ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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