784
FZPN40 PHFO 112207
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT MAY 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC MAY 11 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 12 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 13 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 05N170E 1010 MB MOVING W SLOWLY. TROUGH 04N160E 06N166E
TO LOW. SCATTERED MODERATE TSTMS WITHIN 150 NM OF LOW. WINDS 20
TO 25 KT WITHINT 90 NM E SEMICIRCLE OF LOW.
.24 HOUR FORECAST LOW 03N168E 1009 MB. WINDS DECREASED TO 20 KT
OR LESS.
.48 HOUR FORECAST LOW DISSIPATED W OF AREA. WINDS DECREASED TO
20 KT OR LESS.

.TROUGH 30N154W 21N158W 15N157W MOVING W SLOWLY. WINDS 20 TO 30
KT N OF 22N BETWEEN 170W AND 150W. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS FROM 19N TO 22N BETWEEN 154W AND 148W.
.24 HOUR FORECAST TROUGH 29N155W 17N161W. WINDS 20 TO 25 KT N OF
22N BETWEEN 165W AND 150W.
.48 HOUR FORECAST TROUGH 28N163W 19N166W. WINDS DECREASED TO 20
KT OR LESS.

.FRONT NEAR 30N168E 27N160E MOVING E 15 KT. WINDS 20 TO 25 KT N
OF 28N AND E OF 162E.
.24 HOUR FORECAST FRONT 30N178E 28N170E THENCE TROUGH 22N164E.
NE WINDS 20 TO 25 KT N OF FRONT. SEAS 8 TO 9 FEET N OF FRONT.
.48 HOUR FORECAST FRONT 30N166W 26N170E. WINDS 20 TO 25 KT
N OF 10N W OF 178E. SEAS 8 TO 10 FT N OF 15N E OF 174E.

.TROUGH 29N170E 20N168E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT MENTIONED ABOVE.

.WINDS 20 TO 25 KT FROM 14N TO 25N BETWEEN 170W AND 180W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 15N BETWEEN
148W AND 155W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 07N TO 12B BETWEEN
145W AND 155W.

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

.SEAS 8 TO 10 FT N OF 15N BETWEEN 175E AND 160W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 22N BETWEEN 169W AND 155W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 12N TO 17N BETWEEN 144W
AND 151W.

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

.ITCZ 05N175E 03N180W 05N175W 05N160W 07N155W 07N145W 05N140W.
SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 180 NM OF ITCZ
E OF 178W.

$$

.FORECASTER M BALLARD. HONOLULU HI.