578
FZPN40 PHFO 191049
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 19 2024.
24 HOUR FORECAST VALID 0600 UTC MAY 20 2024.
48 HOUR FORECAST VALID 0600 UTC MAY 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N160W 23N163W 18N166W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 270 NM E OF TROUGH N OF 20N. W TO SW WINDS
20 TO 25 KT WITHIN 300 NM E OF TROUGH N OF 20N...AND N OF
25N BETWEEN 170W AND 165W.
.24 HOUR FORECAST TROUGH 30N158W 25N160W 17N164W. SE WINDS
20 TO 25 KT WITHIN 240 NM E OF TROUGH N OF 17N.
.48 HOUR FORECAST TROUGH 30N160W 25N163W 20N168W 15N174W. WINDS
20 TO 25 KT WITHIN 210 NM E OF TROUGH N OF 25N.

.E WINDS 20 TO 25 KT FROM 05N TO 20N E OF 145W...AND FROM 05N
TO 15N BETWEEN 178W AND 170E...AND FROM 05N TO 23N W OF 170E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N E OF
165W...AND FROM 15N TO 20N E OF 150W...AND FROM 10N TO 20N
W OF 170W.
.48 HOUR FORECAST WINDS 20 TO 25 KT BETWEEN 05N AND 20N E OF
168W.

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

.SEAS 8 TO 10 FT FROM 10N TO 25N W OF 175W...AND N OF 25N
BETWEEN 175E TO 155W.
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN 300 NM OF LINE 30N160W
15N165W.
.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 06N167E 08N177E 05N170W 06N160W 06N150W 05N140W.
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.