773
FZPN40 PHFO 281510
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE JUL 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2026.
24 HOUR FORECAST VALID 1200 UTC JUL 29 2026.
48 HOUR FORECAST VALID 1200 UTC JUL 30 2026.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM FAUSTO NEAR 21.9N 151.7W...1004 MB MOVING W OR
280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS TO 60 KT.
TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...60 NM SE
QUADRANT...AND 100 NM NW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE
FROM 22N TO 26N BETWEEN 145W AND 153W....AND FROM 20N TO 22N
BETWEEN 147W AND 149W. SEAS 4 M OR GREATER WITHIN 180 NM OF E
SEMICIRCLE...150 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH
SEAS TO 6.5 M. SEAS 2.5 TO 4 M ELSEWHERE N OF 18N BETWEEN 143W
AND 156W. SCATTERED MODERATE TSTMS FROM 22N TO 24N BETWEEN 149W
AND 151W.
.24 HOUR FORECAST TROPICAL STORM FAUSTO NEAR 22.7N 155.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS TO 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...AND 50 NM NW
QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM 21N TO 29N BETWEEN
151W AND 163W. SEAS 2.5 TO 4.5 M FROM 22N TO 29N BETWEEN 151W AND
163W.
.48 HOUR FORECAST 1008 MB REMNANT LOW OF FAUSTO NEAR 23.7N
160.6W. WINDS 20 TO 30 KT FROM 24N TO 27N BETWEEN 157W AND 162W.
SEAS 2.5 TO 3.5 M FROM 22N TO 28N BETWEEN 156W AND 166W.

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 25N178W TO 28N178W TO 31N177W MOVING NW SLOWLY. WINDS 20
TO 25 KT N OF 27N BETWEEN 175W AND 178W. SEAS 2.5 TO 3 M N OF 28N
BETWEEN 175W AND 177W. SCATTERED MODERATE TSTMS N OF 26N BETWEEN
175W AND 179W.
.24 HOUR FORECAST TROUGH MOVED NW OF AREA. WINDS BELOW 20 KT AND
SEAS LESS THAN 2.5 M.

.WINDS 20 TO 25 KT FROM 05N TO 07N W OF 178W.
.24 HOUR FORECAST WINDS BELOW 20 KT.

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

SEAS 2.5 TO 3 M FROM 10N TO 16N BETWEEN 156W AND 170W...AND FROM
21N TO 25N E OF 143W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 13N BETWEEN 162W
AND 167W...AND FROM 16N TO 23N BETWEEN 141W AND 145W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 13N TO 25N E OF 150W.

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

.ITCZ 07N140W TO 04N151W TO 04N158W TO 07N164W. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS UP TO 325 NM ALONG EITHER SIDE OF ITCZ.

.MONSOON TROUGH 07N164W TO 09N170W TO 11N180W. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS NEAR AND UP TO 260 NM N OF MONSOON
TROUGH.

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS FROM 00N TO 06N
BETWEEN 165W AND 172W.

$$

.FORECASTER CHAN. HONOLULU HI.