156
FZPN40 PHFO 170234
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE SEP 17 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

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

SYNOPSIS VALID 0000 UTC SEP 17 2024.
24 HOUR FORECAST VALID 0000 UTC SEP 18 2024.
48 HOUR FORECAST VALID 0000 UTC SEP 19 2024.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N173W 25N176W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 27N162E 22N164E 18N163E MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.WINDS 20 TO 25 KT FROM FROM 10N TO 20N E OF 163W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 16N BETWEEN
163W AND 150W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 17N BETWEEN
165W AND 175W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 10N166E 08N175E 12N176W 09N170W 10N159W 11N146W 07N140W.
SCATTERED MODERATE TSTMS WITHIN 300 NM OF ITCZ E OF 165W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 210 NM OF ITCZ W OF 165W.

.SCATTERED TSTMS WITHIN 180 NM OF POINT 20N172E.



$$

.FORECASTER PECHACEK. HONOLULU HI.