784
FZPN40 PHFO 271516
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON JUL 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27 2026.
24 HOUR FORECAST VALID 1200 UTC JUL 28 2026.
48 HOUR FORECAST VALID 1200 UTC JUL 29 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE FAUSTO NEAR 20.7N 146.2W...986 MB MOVING WNW OR 285
DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS TO 85 KT.
HURRICANE FORCE WINDS WITHIN 30 NM N SEMICIRCLE...TROPICAL STORM
FORCE WINDS WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...40 NM
SW QUADRANT...AND 100 NM NW QUADRANT. WINDS 20 TO 33 KT ELSEWHERE
FROM 22N TO 26N E OF 150W...AND FROM 19N TO 22N E OF 144W. SEAS
4.0 M OR GREATER WITHIN 210 NM NE QUADRANT...120 NM SE QUADRANT...
150 NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 8.0 M.
SEAS 2.5 TO 4.0 M ELSEWHERE WITHIN 10N155W TO 26N155W TO 30N146W
TO 28N140W TO 18N140W TO 17N143W TO 11N147W TO 10N155W. SCATTERED
MODERATE TO ISOLATED STRONG TSTMS FROM 21N TO 23N BETWEEN 145W AND
147W.
.24 HOUR FORECAST TROPICAL STORM FAUSTO NEAR 21.8N 150.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS TO 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT...60 NM SE QUADRANT...AND 70 NM NW
QUADRANT. WINDS 20 TO 33 KT ELSEWHERE FROM 20N TO 26N BETWEEN
146W AND 154W. SEAS 4.0 M OR GREATER FROM 20N TO 24N BETWEEN 148W
AND 153W WITH SEAS TO 6.0 M. SEAS 2.5 TO 4.0 M ELSEWHERE FROM 17N
TO 29N E OF 156W.
.48 HOUR FORECAST TROPICAL STORM FAUSTO NEAR 22.6N 155.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS TO 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM N SEMICIRCLE. WINDS 20 TO 33 KT ELSEWHERE FROM
21N TO 26N BETWEEN 150W AND 158W. SEAS 4.0 M OR GREATER FROM 22N
TO 25N BETWEEN 153W AND 156W WITH SEAS TO 5.0 M. SEAS 2.5 TO 4.0 M
ELSEWHERE FROM 20N TO 29N BETWEEN 147W AND 164W.

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 08N165W TO 10N166W TO 13N166W MOVING WNW SLOWLY. SCATTERED
MODERATE TO ISOLATED STRONG TSTMS FROM 08N TO 13N BETWEEN 158W
AND 168W.
.24 HOUR FORECAST TROUGH 08N169W TO 13N170W.
.48 HOUR FORECAST TROUGH 10N174W TO 13N173W.

.TROUGH 23N145W TO 27N145W TO 29N144W.
.24 HOUR FORECAST TROUGH 24N153W TO 26N153W TO 30N156W.
.48 HOUR FORECAST TROUGH 24N157W TO 27N158W TO 30N155W.

.TROUGH 18N149W TO 20N146W.
.24 HOUR TROUGH 15N153W TO 29N253W.
.48 HOUR TROUGH 15N159W TO 18N157W TO 20N157W.

.WINDS 20 TO 25 KT FROM 11N TO 15N W OF 176W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 14N TO 19N W OF 177W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 2.5 TO 3.0 M FROM 12N TO 27N W OF 160W...AND FROM 10N TO
25N BETWEEN 155W AND 160W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 14N TO 19N W OF 176W...
AND FROM 10N TO 16N BETWEEN 156W AND 163W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 13N BETWEEN 160W
AND 165W...AND FROM 18N TO 21N E OF 144W.

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

.ITCZ 04N140W TO 05N160W. SCATTERED MODERATE TO ISOLATED STRONG
TSTMS FROM 00N TO 07N BETWEEN 149W AND 158W.

.MONSOON TROUGH 05N160W TO 06N172W TO 11N180W. NUMEROUS MODERATE
TO ISOLATED STRONG TSTMS UP TO 230 NM ALONG EITHER SIDE OF
MONSOON TROUGH W OF 170W.

.SCATTERED MODERATE TSTMS FROM 00N TO 03N BETWEEN 172W AND 177W.

$$

.FORECASTER CHAN. HONOLULU HI.