254
FZPN40 PHFO 190253
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 19 2024.
24 HOUR FORECAST VALID 0000 UTC MAY 20 2024.
48 HOUR FORECAST VALID 0000 UTC MAY 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N160W 23N161W 16N167W 13N171W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 270 NM E OF TROUGH N OF 20N. W TO SW WINDS
20 TO 25 KT N OF 26N BETWEEN 173W AND TROUGH. SE WINDS 20 TO 25 KT
WITHIN 270 NM E OF TROUGH N OF 18N.
.24 HOUR FORECAST TROUGH 30N158W 26N159W 20N166W 15N170W. SE WINDS
20 TO 25 KT WITHIN 210 NM E OF TROUGH N OF 17N.
.48 HOUR FORECAST TROUGH 30N159W 24N164W 21N166W 17N172W. WINDS
DIMINISHED TO 20 KT OR LESS.

.E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 152W...AND W OF A LINE
10N180W 22N162E.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 08N TO 14N E OF
160W...AND FROM 07N TO 13N W OF 168E.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT E OF A LINE 07N165W
20N150W.

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

SEAS 8 TO 10 FT N OF A LINE 30N155W 26N157W 24N172W 14N177W
17N173E. SEAS 8 TO 10 FT WITHIN AN AREA BOUNDED BY 12N177E 24N160E
26N160E 07N173E 12N177E. SEAS 8 TO 9 FT FROM 10N TO 15N
BETWEEN 154W AND 160W.
.24 HOUR FORECAST SEAS 8 TO 10 FT WITHIN 120 NM E OF A LINE
19N167W 30N160W. SEAS 8 TO 9 FT FROM 10N TO 14N W OF 177E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 06N TO 10N BETWEEN 143W AND
155W.

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

.ITCZ 06N140W 05N146W 03N150W 08N175W 07N177W 07N177E 01N160E.
SCATTERED MODERATE TSTMS WITHIN 180 NM OF ITCZ BETWEEN 143W AND
164W...AND W OF 175W.

.ISOLATED MODERATE TSTMS S OF 12N W OF 166E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.