High Seas Forecast
Issued by NWS

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087
FZPN40 PHFO 152224
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SUN SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 15 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 16 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 17 2024.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N169E 23N170E MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 30N164E 24N164E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N169W 24N170W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 10N TO 16N BETWEEN 170W AND 152W...AND
FROM 00N TO 22N E OF 150W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 11N TO 20N BETWEEN E OF
160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 18N BETWEEN 167W
AND 153W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT FROM 10N TO 16N BETWEEN 169W AND 157W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 19N BETWEEN 155W
AND 141W. SEAS 8 TO 9 FT FROM 12N TO 16N BETWEEN 174W AND 168W.
.48 HOUR FORECAST SEAS 8 TO 10 FT FROM 10N TO 18N BETWEEN 164W
AND 146W. SEAS 8 TO 9 FT FROM 14N TO 18N BETWEEN 146W AND 141W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 11N140W 10N160W 08N175W 08N174E 11N162E. SCATTERED MODERATE
TSTMS WITHIN 180 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 11N TO 17N BETWEEN 176E AND
178W...AND FROM 17N TO 21N BETWEEN 170E AND 175E.


$$

.FORECASTER PIERCE. HONOLULU HI.