836
FZPN40 PHFO 181500
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT MAY 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 19 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N158W 20N163W 15N168W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH N OF 17N.
.24 HOUR FORECAST TROUGH 30N160W 25N162W 20N165W 15N173W.
.48 HOUR FORECAST TROUGH 30N159W 20N167W 15N175W.

.WINDS 20 TO 25 KT N OF 26N BETWEEN 177W AND 163W...AND N OF 26N
BETWEEN 157W AND 153W. E WINDS 20 TO 25 KT FROM 07N TO 15N BETWEEN
156W AND 145W...AND FROM 10N TO 24N BETWEEN 163E AND 173E.
.24 HOUR FORECAST WINDS 20 TO 30 KT N OF 25N BETWEEN 160W AND
154W. WINDS 20 TO 25 KT N OF 29N BETWEEN 168W AND 165W. E WINDS 20
TO 25 KT W OF LINE 22N160E 13N170E 10N170E 10N160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 28N BETWEEN 159W AND
154W. E WINDS 20 TO 25 KT FROM 07N TO 18N BETWEEN 165W AND 152W.

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

.SEAS 12 TO 14 FT N OF 27N BETWEEN 177W AND 171W. SEAS 8 TO 12 FT
ELSEWHERE IN AREA BOUNDED BY 30N173E 30N152W 06N180W 11N160E
26N160E 26N170E 30N173E. SEAS 8 TO 10 FT IN AREA BOUNDED BY
19N165W 20N150W 14N140W 06N140W 02N150W 09N165W 19N165W.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 30N167W 25N159W
30N154W. SEAS 8 TO 10 FT FROM 10N TO 23N W OF 178W...AND FROM 05N
TO 18N E OF 166W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 20N W OF 165E...FROM
07N TO 18N E OF 167W...AND N OF 29N BETWEEN 159W AND 155W.

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

.ITCZ 06N140W 03N149W 05N156W 05N161W 08N170W 09N174W 07N177E
05N172E 03N165E. SCATTERED MODERATE TSTMS WITHIN 150 NM N AND 60
NM S OF ITCZ BETWEEN 162W AND 149W...AND WITHIN 90 NM S OF ITCZ E
OF 145W. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 240 NM N AND
180 NM S OF ITCZ W OF 162W.

.ISOLATED MODERATE TSTMS S OF 16N W OF 166E.

$$

.FORECASTER JELSEMA. HONOLULU HI.