871
FZPS40 PHFO 182201
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT MAY 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 18 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 19 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S123W 22S125W 15S133W 14S138W 13S147W THENCE TROUGH TO
12S152W 07S160W. FRONT MOVING E 15 KT ALONG 25S...AND NEARLY
STATIONARY N OF 20S. SCATTERED MODERATE TSTMS WITHIN 240 NM S OF
TROUGH BETWEEN 147W AND 161W.
.24 HOUR FORECAST FRONT 23S120W 19S125W THENCE TROUGH TO 13S140W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 22S120W 19S128W
15S135W 14S141W.

.FRONT 25S161E 22S160E MOVING SE 15 KT.
.24 HOUR FORECAST FRONT MOVED S OF AREA.

.TROUGH 25S176E 08S162E 05S160E NEARLY STATIONARY. SCATTERED
MODERATE TO STRONG TSTMS FROM 07S TO 01S W OF 165E. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S176E 19S169E 08S160E.
.48 HOUR FORECAST TROUGH 25S178E 18S174E 10S160E.

.WINDS 20 TO 25 KT S OF 23S BETWEEN 144W AND 121W. E TO SE WINDS
20 T0 25 KT IN AREA BOUNDED BY 25S150W 14S142W 09S164W 19S166W
25S160W 25S150W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT IN AREA BOUNDED BY
25S148W 15S143W 08S170W 18S170W 25S156W 25S148W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT IN AREA BOUNDED BY
24S150W 20S135W 13S151W 10S170W 16S170W 24S150W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 12 TO 14 FT S OF 23S BETWEEN 137W AND 128W. SEAS 8 TO 12 FT
ELSEWHERE S OF LINE 25S123W 20S133W 21S146W. SEAS 8 TO 11 FT FROM
19S TO 12S BETWEEN 152W AND 167W. SEAS 8 TO 9 FT S OF 23S BETWEEN
180E AND 175E.
.24 HOUR FORECAST SEAS 12 TO 14 FT S OF 23S BETWEEN 126W AND 137W.
SEAS 8 TO 12 FT ELSEWHERE S OF A LINE 22S120W 16S130W 20S137W
18S150W 25S154W. SEAS 8 TO 9 FT FROM 11S TO 17S BETWEEN 162W AND
170W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 20S120W 15S131W
17S139W 12S152W 12S161W. SEAS 8 TO 9 FT S OF 21S W OF 165E.

.OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 13S TO 07S BETWEEN 175W AND 175E.


$$

.FORECASTER TSAMOUS. HONOLULU HI.