573
FZPN40 PHFO 241529
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI JUL 24 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W

SYNOPSIS VALID 1200 UTC JUL 24 2026.
24 HOUR FORECAST VALID 1200 UTC JUL 25 2026.
48 HOUR FORECAST VALID 1200 UTC JUL 26 2026.

.WARNINGS.

...HURRICANE WARNING...
.48 HOUR FORECAST HURRICANE FAUSTO NEAR 19.8N 140.2W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
NM SW SEMICIRCLE...120 NM SE SEMICIRCLE...210 NM NE QUADRANT AND
180 NM NW QUADRANT WITH SEAS TO 8.5 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.TROUGH 24N174W TO 30N174W MOVING W 10 KT. ISOLATED MODERATE
TSTMS N OF 23N BETWEEN 165W AND 175W.
.24 HOUR FORECAST TROUGH 24N179W TO 30N178W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.LOW 09N169W 1007 MB MOVING SLOWLY W. TROUGH FROM LOW TO 17N170W.
SCATTERED MODERATE TO ISOLATED STRONG TSTMS FROM 05N TO 16N
BETWEEN 164W AND 174W.
.24 HOUR FORECAST LOW 1007 MB 09N174W. TROUGH FROM LOW TO
16N179W.
.48 HOUR FORECAST LOW AND TROUGH MOVED W OF AREA.

.24 HOUR FORECAST NEW LOW 09N148W 1010 MB.
.48 HOUR FORECAST LOW WEAKENED INTO TROUGH.

.WINDS 20 TO 25 KT FROM 12N TO 18N BETWEEN 160W AND 171W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 11N TO 19N BETWEEN 165W
AND 178W...AND FROM 19N TO 24N E OF 142W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 19N W OF 172W.
WINDS 20 TO 30 KT FROM 18N TO 25N BETWEEN 141W AND 145W.

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

.SEAS 2.5 TO 3.0 M FROM 11N TO 27N BETWEEN 160W AND 171W...AND N
OF 15N BETWEEN 150W AND 160W...AND FROM 12N TO 23N E OF 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M N OF 12N BETWEEN 154W AND
177W...AND FROM 13N TO 25N BETWEEN 154W AND 141W. SEAS 3.0 TO 3.5
M SEAS FROM 18N TO 23N E OF 141W.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 12N TO 25N W OF 170W...
AND FROM 11N TO 29N BETWEEN 142W AND 146W. SEAS 2.5 TO 3.O M FROM
11N TO 20N BETWEEN 146W AND 170W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.MONSOON TROUGH 08N166W TO 07N180W. ITCZ 11N142W TO 09N152W TO
12N164W. SCATTERED MODERATE TSTMS UP TO 150 NM ALONG EITHER SIDE
OF THE ITCZ.

.SCATTERED MODERATE TO ISOLATED STRONG TSTMS FROM 00N TO 02N
BETWEEN 155W AND 157W.

SCATTERED MODERATE TSTMS FROM 01N TO 06N E OF 164W...AND S OF 05N
W OF 172W.

$$

.FORECASTER CHAN. HONOLULU HI.