903
FZPS40 PHFO 172141
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

SYNOPSIS VALID 1800 UTC SEP 17 2024.
24 HOUR FORECAST VALID 1800 UTC SEP 18 2024.
48 HOUR FORECAST VALID 1800 UTC SEP 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S134W TO 22S139W TO 20S145W MOVING E 10 KT.
NUMEROUS MODERATE TSTMS WITHIN 18S TO 25S BETWEEN FRONT AND 125W.
.24 HOUR FORECAST FRONT FROM 25S131W TO 22S134W TO 20S140W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 15S130W TO 22S134W.

.COLD FRONT FROM 25S163W TO 23S167W TO 20S174W TO 15S178E THENCE
A STATIONARY FRONT TO 12S169E TO 11S160E. COLD FRONT MOVING E 20
KT S OF 20S AND NE 10 KT N OF 20S. WINDS NW TO N 20 TO 25 KT S OF
23S WITHIN 240 NM E OF FRONT. WINDS SE TO E 20 TO 30 KT WITHIN 240
NM S OF STATIONARY FRONT. ISOLATED MODERATE TSTMS WITHIN 150 NM N
OF STATIONARY FRONT.
.24 HOUR FORECAST FRONT FROM 25S157W TO 20S164W TO 18S172W TO
14S179E TO 12S169E TO 11S160E. WINDS SE TO E 20 TO 25 KT WITHIN
120 NM S OF FRONT W OF 179E.
.48 HOUR FORECAST FRONT FROM 25S146W TO 19S155W TO 16S171W TO
14S179E TO 12S169E TO 11S160E. FRONT DISSIPATING W OF 179E. WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 07S171E TO 10S174W TO 15S161W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH W OF
174W. ISOLATED MODERATE TSTMS WITHIN 180 NM N OF TROUGH E OF 174W.
.24 HOUR FORECAST TROUGH FROM 07S171E TO 12S169W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 18S172E 25S175W 25S160E
22S160E 18S172E.
.24 HOUR FORECAST SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 17S173E
20S175W 25S165W 25S160E 17S173E.
.48 HOUR FORECAST SEAS 8 TO 9 FT WITHIN AN AREA BOUND BY 12S176E
18S165W 25S160W 25S170E 12S176E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST

$$

.FORECASTER BEDAL. HONOLULU HI.