663
FZPN40 PHFO 191444
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN MAY 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 19 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 20 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N160W 25N161W 18N165W MOVING W SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 270 NM E OF TROUGH N OF 15N. W TO SW WINDS
20 TO 25 KT WITHIN 300 NM E OF TROUGH N OF 25N...AND N OF
27N BETWEEN 170W AND 165W.
.24 HOUR FORECAST TROUGH 30N158W 25N161W 21N166W. SE WINDS
20 TO 25 KT N OF 27N BETWEEN TROUGH AND 150W.
.48 HOUR FORECAST TROUGH 30N160W 25N163W 20N169W 15N174W. WINDS
DIMINISH TO 20 KT OR LESS.

.E WINDS 20 TO 25 KT FROM 05N TO 10N E OF 165W...AND W OF LINE
25N160E 15N170E 05N180W 05N170E 08N160E.
.24 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 20N160W
05N170W...AND FROM 05N TO 20N W OF 165E.
.48 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 25N150W 05N165W.

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

.SEAS 8 TO 10 FT FROM 10N TO 25N W OF 180W...AND N OF 25N
BETWEEN 165W AND 155W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 10N E OF 170W.
.48 HOUR FORECAST SEAS SUBSIDING TO UNDER 8 FT OR LESS ACROSS
ENTIRE FORECAST AREA.

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

.ITCZ 06N166E 08N180E 05N170W 07N170W 06N160W 06N140W.
SCATTERED MODERATE TSTMS WITHIN 210 NM OF ITCZ E OF 160W...AND
WITHIN 300 NM N OF ITCZ BETWEEN 170E AND 170W.


$$

.FORECASTER PECHACEK. HONOLULU HI.