National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZPS40 PHFO 222248
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC MON APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 22 2024.
24 HOUR FORECAST VALID 1800 UTC APR 23 2024.
48 HOUR FORECAST VALID 1800 UTC APR 24 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 18S163E 1008 MB NEARLY STATIONARY. SECOND LOW NEAR
21S174E 1009 MB NEARLY STATIONARY. TROUGH 17S160E TO FIRST LOW
TO SECOND LOW TO 25S178W. WINDS 20 TO 30 KT AND SEAS 8 TO 12
FT S OF LOWS AND TROUGH. SCATTERED STRONG TSTMS WITHIN 300 NM
OF POINT 21S180W.
.24 HOUR FORECAST LOW NEAR 22S168E 1008 MB. SECOND LOW NEAR
21S179W 1009 MB. TROUGH 14S160E TO FIRST LOW TO SECOND LOW TO
25S173W. WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT S OF LOWS AND
TROUGH.
.48 HOUR FORECAST LOW MOVED S OF FORECAST AREA. SECOND LOW
DISSIPATED. TROUGH 18S160E 20S170E 22S180W 25S175W. WINDS
20 TO 30 KT AND SEAS 8 TO 12 S OF TROUGH.

.TROUGH 03S164E 10S167E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 09S179E 11S180W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF POINT 15S173W.
.24 HOUR FORECAST TROUGH 11S177W 16S179E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 09S159W 10S154W 25S148W MOVING W SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 180 NM OF POINT 27S142W.
.24 HOUR FORECAST TROUGH 13S150W 22S153W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 14S123W 16S120W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 17S124W 22S120W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 15S131W 21S126W.
.48 HOUR FORECAST TROUGH 15S136W 22S132W.

.TROUGH 02S165W 04S150W 05S135W 05S125W 04S120W. NEARLY
STATIONARY.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 30 KTS S OF LINE 25S145W 15S140W 20S120W.
.24 HOUR FORECAST WINDS 20 TO 25 KT S OF 20S E OF 135W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 22S E OF 125W.

.SEAS 12 TO 14 FT S OF 20S E OF 130W. SEAS 8 TO 12 FT
ELSEWHERE S OF LINE 25S150W 15S140W 15S120W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S140W 15S135W
15S130W 20S120W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 24S E OF 132W.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF
AREA.

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS N OF 10S E OF
165W...AND FROM 15S TO 10S BETWEEN 150W AND 135W. ISOLATED
MODERATE TSTMS FROM 15N TO 10N BETWEEN 160W AND 150W.


$$

.FORECASTER PECHACEK. HONOLULU HI.