National Weather Service United States Department of Commerce

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FZPS40 PHFO 162230
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED JAN 16 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC JAN 16 2019.
24 HOUR FORECAST VALID 1800 UTC JAN 17 2019.
48 HOUR FORECAST VALID 1800 UTC JAN 18 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 17S178W 1007 MB NEARLY STATIONARY. SECOND LOW 17S176E 1006 MB
MOVING N SLOWLY. TROUGH FROM FIRST LOW TO SECOND LOW TO 11S166E TO
09S160E NEARLY STATIONARY. SCATTERED TO LOCALLY ISOLATED MODERATE TO
STRONG TSTMS N OF 11S BETWEEN 164E AND 173E. ISOLATED MODERATE TSTMS
FROM 11S TO 16S BETWEEN 162E AND 174W...AND FROM 16S TO 20S BETWEEN
175W AND 176E.
.24 HOUR FORECAST FIRST LOW DISSIPATED. REMAINING LOW 15S177E 1006
MB. TROUGH FROM 25S175W TO 18S178W TO LOW TO 13S168E TO 10S160E.
.48 HOUR FORECAST LOW 12S170E 1006 MB. TROUGH FROM 25S176W TO
18S180E TO LOW TO 05S160E.

.FRONT FROM 25S148W TO 20S156W THENCE TROUGH TO 14S162W TO 09S165W.
FRONT NEARLY STATIONARY. TROUGH MOVING WSW 10 KT. ISOLATED MODERATE
TSTMS FROM 08S TO 12S BETWEEN 159W AND 173W...AND WITHIN 105 NM NE
OF FRONT AND TROUGH S OF 17S.
.24 HOUR FORECAST FRONT FROM 25S149W TO 22S157W THENCE TROUGH TO
18S162W TO 12S165W.
.48 HOUR FORECAST FRONT MOVED S OF FORECAST AREA. TROUGH FROM
25S156W TO 20S165W TO 15S170W.

.FRONT FROM 25S179W TO 20S171E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 60 NM NE OF FRONT S OF 23S.
.24 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.RIDGE FROM 25S134W TO 19S150W NEARLY STATIONARY.

.RIDGE FROM 24S163W TO 12S167W TO 07S180E TO 01S162E NEARLY
STATIONARY.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT S OF 24S BETWEEN 151W AND 156W...N OF 03S BETWEEN
147W AND 180W...N OF 09S E OF 134W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 04S BETWEEN 143W AND 169W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 06S BETWEEN 142W AND 154W.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 15S TO 20S BETWEEN 167W AND 169W.

$$

.FORECASTER KINEL. HONOLULU HI.


Additional Resources:

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