460
FZPS40 PHFO 201002
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC WED NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
SECURITE
SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E
SYNOPSIS VALID 0600 UTC NOV 20 2024.
24 HOUR FORECAST VALID 0600 UTC NOV 21 2024.
48 HOUR FORECAST VALID 0600 UTC NOV 22 2024.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW NEAR 25S140W 1011 MB. TROUGH FROM LOW TO 20S140W
12S148W 10S160W 10S173W 08S176W. LOW MOVING SW SLOWLY AND TROUGH
NEARLY STATIONARY. NUMEROUS MODERATE TO STRONG TSTMS WITHIN 210 NM
E OF TROUGH S OF 16S. SCATTERED MODERATE TSTMS WITHIN 210 NM S OF
TROUGH BETWEEN 165W AND 175W. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST LOW MOVED S OF AREA. NEW FRONT MERGES WITH
TROUGH. FRONT 25S137W 20S140W THENCE TROUGH 13S147W 10S155W
10S168E 06S172W.
.48 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 25S139W 18S142W
12S154W 11S180E 07S176E.
.TROUGH 25S172W 08S167E 05S160E MOVING S SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S172W 15S171E 09S160E.
.48 HOUR FORECAST TROUGH 25S171W 16S173E 10S160E.
.WINDS 20 TO 25 KT S OF LINE 25S143W 13S152W 12S171W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 24S TO 14S W OF 171E.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF LINE 25S173W
13S160E...AND FROM 20S TO 11S E OF 127W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 12 TO 14 FT S OF 23S BETWEEN 146W AND 142W. SEAS 8 TO 12
FT ELSEWHERE S OF LINE 25S133W 11S157W 11S170W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 21S BETWEEN 142W AND 151W.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.
.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS FROM 15S TO 13S BETWEEN 162E AND 167E.
.FORECASTER TSAMOUS. HONOLULU HI.
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