National Weather Service United States Department of Commerce

High Seas Forecast   Issued: 07/17/2024 01:31:13 PM UTC


                        
923
FZPN40 PHFO 170331
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 17 2024.
24 HOUR FORECAST VALID 0000 UTC JUL 18 2024.
48 HOUR FORECAST VALID 0000 UTC JUL 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 14N143W 10N145W 08N148W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N146W 08N154W.
.48 HOUR FORECAST WEAKENING TROUGH 13N151W 08N155W.

.24 HOUR FORECAST NEW TROUGH 30N148W 28N158W.
.48 HOUR FORECAST TROUGH 30N145W 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.