High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 220316
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN JAN 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 0000 UTC JAN 22 2017.
24 HOUR FORECAST VALID 0000 UTC JAN 23 2017.
48 HOUR FORECAST VALID 0000 UTC JAN 24 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S143W TO 17S150W TO 13S158W MOVING E 10 KT. N
TO NW WINDS 20 TO 30 KT WITHIN 270 NM E AND NE OF COLD FRONT.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 450 NM N AND NE OF COLD
FRONT.
.24 HOUR FORECAST FRONT FROM 25S142W TO 19S147W TO 13S157W. N TO
NW WINDS 20 TO 25 KT WITHIN 210 NM E AND NE OF FRONT.
.48 HOUR FORECAST WEAKENING FRONT FROM 25S142W TO 17S153W. WINDS
DIMINISHED TO 20 KT OR LESS.

.COLD FRONT FROM 24S160E TO 25S165E MOVING NE 10 KT. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S172E TO 23S160E.
.48 HOUR FORECAST FRONT FROM 25S178E TO 22S170E TO 20S160E.

.WEAK FRONT FROM 23S120W TO 20S124W NEARLY STATIONARY.
.24 HOUR FORECAST WEAK FRONT FROM 23S120W TO 20S125W.
.48 HOUR FORECAST WEAK FRONT FROM 21S120W TO 23S127W.

.TROUGH FROM 10S160E TO 10S170E TO 11S175E NEARLY STATIONARY.
SCATTERED MODERATE TO STRONG TSTMS N OF 11S W OF 180E.
.24 HOUR FORECAST TROUGH FROM 10S160E TO 10S170E TO 12S180E.
.48 HOUR FORECAST TROUGH FROM 08S160E TO 10S172E TO 14S178W.

.TROUGH FROM 19S171E TO 22S171W MOVING S SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WEAK TROUGH FROM 25S167W TO 19S164W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 19S120W TO 07S150W TO 07S170W TO 02S160E NEARLY
STATIONARY.

.RIDGE FROM 25S176E TO 21S170E NEARLY STATIONARY.

.OTHERWISE...WINDS 20 KT OR LESS.

.SEAS 8 TO 12 FT S OF 19S BETWEEN 140W AND 148W.
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN 120 NM OF A LINE FROM
25S140W TO 10S155W. SEAS 8 TO 9 FT S OF 22S W OF 170E.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 21S W OF 180E.

.OTHERWISE...SEAS 8 FT OR LOWER.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF A LINE FROM 07S176W TO
19S171W...AND FROM 17S TO 20S BETWEEN 159W AND 165W.

$$

.FORECASTER MORRISON. HONOLULU HI.


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