High Seas Forecast
Issued by NWS

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521
FZPN40 PHFO 262205
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SUN MAY 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 26 2019.
24 HOUR FORECAST VALID 1800 UTC MAY 27 2019.
48 HOUR FORECAST VALID 1800 UTC MAY 28 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N155W TO 27N160W THENCE TROUGH TO 23N167W. FRONT
NEARLY STATIONARY. TROUGH MOVING NW SLOWLY.
.24 HOUR FORECAST FRONT FROM 30N156W TO 26N164W THENCE TROUGH TO
20N170W.
.48 HOUR FORECAST FRONT FROM 30N159W TO 26N164W TO 20N170W.

.TROUGH FROM 20N168E TO 23N173E TO 22N180W TO 22N174W MOVING NW
SLOWLY. E WINDS 20 TO 25 KT WITHIN 200 NM N OF TROUGH. ISOLATED
TSTMS WITHIN 80 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 22N163E TO 24N171E TO 22N176E.
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 27N162E TO 26N165E TO 25N172E.

.TROUGH FROM 13N162W TO 08N162W MOVING SW 10 KT. ISOLATED
TSTMS WITHIN 100 NM OF TROUGH N OF 10N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.S WINDS 20 TO 25 KT N OF 25N W OF 161E.
.24 HOUR FORECAST S WINDS 20 TO 25 KT N OF 28N W OF 162E.
.48 HOUR FORECAST S WINDS DIMINISHED TO 20 KT OR LESS.

.RIDGE FROM 30N145W TO 27N155W NEARLY STATIONARY.

.RIDGE FROM 30N180W TO 29N162W MOVING S SLOWLY.

.SEAS 8 TO 9 FT FROM 10 TO 18N E OF 165W...AND FROM 18N TO 22N E OF
155W...AND ALSO BETWEEN 20N AND 25N FROM 169E TO 176E.
.24 HOUR FORECAST SEAS 8 FT OR LESS ENTIRE AREA.

.OTHERWISE WINDS 20 KT OR LESS...SEAS 8 FT OR LESS.

.ITCZ FROM 07N140W TO 03N158W. ISOLATED TSTMS WITHIN 150 NM OF
ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 100 NM OF A LINE FROM 07N170W TO
04N165W. WIDELY SCATTERED MODERATE TSTMS S OF 10N W OF 170E...
AND ALSO BETWEEN 15N AND 19N W OF 165E.

$$

.FORECASTER LAU. HONOLULU HI.



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