High Seas Forecast
Issued by NWS

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FZPN40 PHFO 162241
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE JUL 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC JUL 16 2024.
24 HOUR FORECAST VALID 1800 UTC JUL 17 2024.
48 HOUR FORECAST VALID 1800 UTC JUL 18 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 13N140W 10N143W 07N148W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N143W 09N153W.
.48 HOUR FORECAST TROUGH 13N150W 09N160W.

.24 HOUR FORECAST NEW TROUGH 30N149W 28N158W.
.48 HOUR FORECAST TROUGH 30N146W 28N154W.

.WINDS 20 TO 25 KT FROM 07N TO 21N W OF 154W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 16N BETWEEN 161W
AND 171E.
.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS ENTIRE
FORECAST AREA.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT N OF LINE 00N176E 18N160E AND W OF LINE 00N170W
15N151W 25N160E.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 01N TO 18N BETWEEN 160W
AND 169E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 09N TO 15N BETWEEN 167W AND
174E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 09N150W 07N162W 06N180E 05N169E. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF ITCZ.

.SCATTERED MODERATE TSTMS S OF 14S AND W OF 169E. ISOLATED
MODERATE TSTMS N OF 28N BETWEEN 175E AND 179E.

$$

.FORECASTER POWELL. HONOLULU HI.