The High Seas Forecast for the Central North Pacific

000
FZPN40 PHFO 190338
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED JUN 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC JUN 19 2019.
24 HOUR FORECAST VALID 0000 UTC JUN 20 2019.
48 HOUR FORECAST VALID 0000 UTC JUN 21 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N168W TO 26N174W. N END MOVING E SLOWLY...BECOMING
NEARLY STATIONARY S END OF TROUGH. ISOLATED TSTMS WITHIN 140 NM E
OF TROUGH N OF 28N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 30N163W TO 24N166W MOVING NW SLOWLY. WINDS DIMINISHED
TO 20 KT OR LESS. ISOLATED TSTMS BETWEEN TROUGH AND 160W N OF 24N.
.24 HOUR FORECAST TROUGH FROM 30N163W TO 22N168W.
.48 HOUR FORECAST TROUGH FROM 30N164W TO 21N170W.

.TROUGH FROM 19N171W TO 18N176W TO 19N180W MOVING W SLOWLY...
DISSIPATING. ISOLATED TSTMS WITHIN 120 NM N OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATE.

.TROUGH FROM 03N160E TO 00S166E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH LITTLE CHANGE.

.E WINDS 20 TO 25 KT FROM 18N TO 10N BETWEEN 145W AND 160W.
.24 HOUR FORECAST E WINDS EASED TO 20 KT OR LESS.

.E WINDS 20 TO 25 KT BETWEEN 04N AND 08N FROM 170W TO 177W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT S OF 06N BETWEEN 174W
AND 177E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 8 TO 9 FT BETWEEN 11N AND 18N FROM 145W TO 154W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N E OF 143W AND S
OF 07N BEWTEEN 174W AND 178E.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 28N E OF 145W.

.OTHERWISE SEAS 8 FT OR LESS REMAINDER OF AREA.

.ITCZ FROM 09N140W TO 06N155W TO 04N175W TO 02N175E. SCATTERED
MODERATE...ISOLATED STRONG TSTMS S OF 10N BETWEEN 158W AND 177E.

.SCATTERED MODERATE TSTMS S OF 05N W OF 170E.

$$

.FORECASTER LAU. HONOLULU HI.