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000
FZPN40 PHFO 202117
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 20 2024.
24 HOUR FORECAST VALID 1800 UTC APR 21 2024.
48 HOUR FORECAST VALID 1800 UTC APR 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N166E 25N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N171E 24N160E.
.48 HOUR FORECAST FRONT 30N175E 23N160E.

.TROUGH 25N140W 16N151W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 28N140W 16N154W.
.48 HOUR FORECAST TROUGH 27N140W 22N148W.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N E OF 180W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 16N E OF
172E. W WINDS 20 TO 25 KT N OF 29N W OF 166E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 18N
BETWEEN 180W AND 150W.

.SEAS 8 TO 10 FT FROM 04N TO 15N BETWEEN 176E AND 150W.
.24 HOUR FORECAST SEAS 12 TO 13 FT N OF 29N W OF 163E. SEAS 8 TO
12 FT ELSEWHERE N OF LINE 25N160E 30N168E. SEAS 8 TO 10 FT FROM
04N TO 15N E OF 172E.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE 20N160E
30N177E...AND FROM 04N TO 18N E OF 177E.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF
AREA.

.ITCZ 04N140W 03N150W 03N166W 02N170W 02N175W. SCATTERED MODERATE
TSTMS WITHIN 300 NM N OF ITCZ W OF 156W...AND WITHIN 210 NM N AND
150 NM S OF ITCZ E OF 150W.

.ISOLATED TO SCATTERED MODERATE TSTMS W OF LINE 14N160E 08N175W
04N175W 00N177E.

$$

.FORECASTER JELSEMA. HONOLULU HI.