FZPS40 PHFO 161531
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN JUN 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1200 UTC JUN 16 2024.
24 HOUR FORECAST VALID 1200 UTC JUN 17 2024.
48 HOUR FORECAST VALID 1200 UTC JUN 18 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW COLD FRONT NEAR 25S148W.
.48 HOUR FORECAST FRONT FROM 25S136W TO 21S141W TO 18S147W. WINDS
NW TO NW 20 TO 25 KT S OF 21S WITHIN 300 NM E OF FRONT. WINDS SW
TO SE 20 TO 30 KT OVER FORECAST WATERS SW OF A FRONT. SEAS 8 TO 13
FT FROM 19S BETWEEN 158W AND 120W.

.TROUGH FROM 25S163E TO 23S160E MOVING NE 15 KT. WINDS W TO NW 20
TO 25 KT OVER FORECAST WATERS S OF 22S W OF 170E. SEA 8 TO 9 FT
FROM 23S TO 25S BETWEEN 160E AND 176E.
.24 HOUR FORECAST DEVELOPING COLD FRONT FROM 25S171E TO 21S165E
TO 19S160E.
.48 HOUR FORECAST FRONT FROM 25S176E TO 19S172E TO 14S165E.

.TROUGH FROM 09S167E TO 16S168E TO 21S171E TO 25S178E NEARLY
STATIONARY. WINDS N TO NE 20 TO 25 KT WITHIN 300 NM NE OF TROUGH
AXIS S OF 19S.
.24 HOUR FORECAST TROUGH FROM  13S167E TO 19S172E TO 25S176E.
.48 HOUR FORECAST TROUGH MERGED WITH COLD FRONT DESCRIBED IMMEDIATELY
ABOVE.

.TROUGH FROM 09S179E TO 14S178E TO 19S179E MOVING W 10 KT.
SCATTERED MODERATE TSTMS WITHIN 240 NM EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IMMEDIATELY
ABOVE.

.TROUGH FROM 06S169W TO 08S162W TO 12S155W MOVING SW 10 KT.
NUMEROUS MODERATE TSTMS FROM 03S TO 07S BETWEEN 174W AND 169W.
ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 180 NM EITHER SIDE OF
TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 06S172W TO 13S160W.
.48 HOUR FORECAST TROUGH FROM 05S171E TO 09S178E TO 11S171W TO
13S160W.

.OTHERWISE WINDS SE TO E 20 TO 25 KT FROM 05S TO 17S BETWEEN 140W
AND 120W.
.24 HOUR FORECAST WINDS SE TO E 20 TO 25 KT FROM 11S TO 19S
BETWEEN 170W AND 160W AND ALSO FROM 05S TO 15S BETWEEN 130W AND
120W.
.48 HOUR FORECAST WINDS SE TO E 20 TO 25 KT FROM 11S TO 19S
BETWEEN 170W AND 158W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 11 FT FROM 05S TO 11S BETWEEN 135W AND 120W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 04S TO 18S BETWEEN 130W
AND 120W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 05S TO 15S BETWEEN 126W AND
120W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS FROM 20S TO 24S BETWEEN 179W
AND 173W.

$$

.FORECASTER BEDAL. HONOLULU HI.