National Weather Service United States Department of Commerce

High Seas Forecast South Pacific  Issued: 12/01/2023 01:26:28 AM HST

000
FZPS40 PHFO 011126
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC FRI DEC 01 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 01 2023.
24 HOUR FORECAST VALID 0600 UTC DEC 02 2023.
48 HOUR FORECAST VALID 0600 UTC DEC 03 2023.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 08S170E 1006 MB MOVING W SLOWLY. TROUGH 04S177E 07S175E
TO LOW TO 06S160E MOVING W SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 270 NM OF TROUGH W OF LOW. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH E OF LOW. WINDS 20 TO 30 KT WITHIN
180 NM S SEMI-CIRCLE OF LOW.
.24 HOUR FORECAST LOW 08S169E 1004 MB. TROUGH 09S174E TO LOW
TO 05S160E. WINDS 20 TO 30 KT WITHIN 180 NM E SEMI CIRCLE OF
LOW.
.48 HOUR FORECAST LOW 07S164E 997 MB. TROUGH 07S169E TO LOW
TO 07S160E. WINDS 20 TO 30 KT WITHIN WITHIN 210 NM OF LOW.

.TROUGH 25S167W 23S172W 24S179W 17S176W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 210 NM OF TROUGH E OF 179E.
.24 HOUR FORECAST TROUGH 25S178E 16S175E.
.48 HOUR FORECAST TROUGH 25S179E 18S177E.

.TROUGH 25S127W 20S138W 21S143W 13S159W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 25S130W 19S154W.
.48 HOUR FORECAST TROUGH 25S140W 20S166W.

.24 HOUR FORECAST WINDS E 20 TO 25 KT FROM 19S TO 12S BETWEEN
137W AND 148W.
.48 HOUR FORECAST WINDS SE TO E 20 TO 25 KT FROM 17S TO 11S
BETWEEN 160W AND 165W.

.24 HOUR FORECAST SEAS 8 TO 12 FT FROM 11S TO 07S BETWEEN
171W AND 166W.
.48 HOUR FORECAST SEAS 12 TO 13 FT FROM 09S TO 05S BETWEEN
165E AND 163E. SEAS 8 TO 12 FT ELSEWHERE FROM 11S TO 04S
BETWEEN 166E AND 161E.

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

.SCATTERED MODERATE TSTMS FROM 14S TO 07S BETWEEN 168W AND
176W.

$$

.FORECASTER THOMAS. HONOLULU HI.