185
FZPS40 PHFO 181500
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 18 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 19 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S125W 21N128W 14S145W 13S155W 09S161W. FRONT MOVING E 10
KT ALONG 25S...AND NEARLY STATIONARY N OF 18S. SCATTERED MODERATE
TSTMS WITHIN 180 NM N AND 90 NM S OF FRONT W OF 148W...AND WITHIN
30 NM OF FRONT BETWEEN 148W AND 140W. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF FRONT S OF 21S.
.24 HOUR FORECAST FRONT 25S120W 17S130W 15S140W 14S150W 12S157W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 22S120W 20S125W
15S140W 13S150W.

.TROUGH 25S176E 14S168E 11S167E 08S164E 06S160E NEARLY
STATIONARY. SCATTERED MODERATE TSTMS N OF 09S E OF 170E. ISOLATED
MODERATE TSTMS FROM 13S TO 19S BETWEEN 168E AND 177E.
.24 HOUR FORECAST TROUGH 25S177E 19S170E 09S160E.
.48 HOUR FORECAST TROUGH 25S177E 20S170E 12S160E.

.WINDS 20 TO 25 KT S OF 23S BETWEEN 137W AND 121W. E TO SE WINDS
20 T0 25 KT IN AREA BOUNDED BY 22S148W 22S160W 20S168W 11S160W
13S150W 15S140W 18S140W 22S148W.
.24 HOUR FORECAST WINDS 20 TO 25 KT S OF 23S E OF 127W. E TO SE
WINDS 20 TO 25 KT IN AREA BOUNDED BY 20S172W 15S172W 10S165W
14S155W 20S155W 20S172W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT IN AREA BOUNDED BY
25S160W 15S170W 11S170W 11S155W 15S135W 17S135W 25S145W 25S160W.

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

.SEAS 12 TO 16 FT S OF 23S BETWEEN 142W AND 128W. SEAS 8 TO 12 FT
ELSEWHERE S OF LINE 25S172W 15S170W 07S160W 20S135W 23S120W. SEAS
8 TO 10 FT N OF 19S E OF 133W...AND S OF 21S BETWEEN 167E AND
180W.
.24 HOUR FORECAST SEAS 12 TO 15 FT S OF LINE 25S142W 21S131W
25S120W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S173W 10S170W
10S160W 17S145W 15S135W 16S130W 23S120W. SEAS 8 TO 9 FT S OF 24S
BETWEEN 164E AND 178E.
.48 HOUR FORECAST SEAS 8 TO 12 FT IN AREA BOUNDED BY 25S160W
17S175W 09S171W 13S150W 17S145W 13S130W 20S120W 25S120W 25S160W.
SEAS 8 TO 10 FT S OF LINE 21S160E 25S164E.

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

.SCATTERED MODERATE TSTMS FROM 05S TO 13S BETWEEN 175E AND
174W...AND S OF 23S BETWEEN 171W AND 166W. ISOLATED MODERATE TSTMS
FROM 14S TO 17S BETWEEN 170W AND 160W.

$$

.FORECASTER JELSEMA. HONOLULU HI.