123
FZPN40 PHFO 201034
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 20 2026.
24 HOUR FORECAST VALID 0600 UTC AUG 21 2026.
48 HOUR FORECAST VALID 0600 UTC AUG 22 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LALA NEAR 23.5N 171.9W 963 MB AT 0900 UTC AUG 20
MOVING NNW OR 345 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM
NW QUADRANT.  SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER EXCEPT
150 NM SE QUADRANT WITH SEAS TO 10 M. SEAS 2.5 TO 4 M ELSEWHERE
FROM 21N TO 28N BETWEEN 166W AND 179W. WINDS 20 TO 30 KT ELSEWHERE
FROM 21N TO 28N BETWEEN 166W AND 174W. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 100 NM N SEMICIRCLE OF CENTER.
.24 HOUR FORECAST HURRICANE LALA NEAR 26.1N 172.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...130 NM SE QUADRANT...90 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 22N TO 27N BETWEEN 169W AND
176W WITH SEAS TO 10 M. SEAS 2.5 TO 4 M ELSEWHERE FROM 21N TO 30N
BETWEEN 168W AND 179W. WINDS 20 TO 30 KT ELSEWHERE FROM 23N TO 30N
BETWEEN 168W AND 176W.
.48 HOUR FORECAST HURRICANE LALA NEAR 29.8N 171.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NW AND SE QUADRANTS...170 NM NE QUADRANT AND 110
NM SW QUADRANT. SEAS 4 M OR GREATER FROM 27N TO 30N
BETWEEN 168W AND 174W WITH SEAS TO 11 M. SEAS 2.5 TO 4 M ELSEWHERE
N OF 25N AND W OF 166W. WINDS 20 TO 30 KT ELSEWHERE FROM 26N
TO 30N BETWEEN 166W AND 176W.

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

SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA22
PHFO.

...GALE WARNING...
.LOW 11N141W 1007 MB MOVING W 10 KT. WINDS 20 TO 25 KT FROM 19N TO
09N BETWEEN 144W AND 140W. SEAS 2.5M TO 3M FROM 16N TO 12N E OF
142W. SCATTERED MODERATE TO STRONG TSTMS FROM 14N TO 11N BETWEEN
145W AND 142W.
.24 HOUR FORECAST POSSIBLE T.C. NEAR 12N145W 1005 MB. WINDS 20 TO
25 KT WITHIN 300 NM N SEMICIRCLE OF LOW. SEAS 2.5 TO 4 M BETWEEN
12N AND 18N E OF 146W.
.48 HOUR FORECAST POSSIBLE T.C. LOW NEAR 13N148W 1001 MB. WINDS
30 TO 40 KT WITHIN 100 NM N SEMICIRCLE...AND 60 NM S SEMICIRCLE.
WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE FROM 12N TO 19N
E OF 150W.

.SYNOPSIS AND FORECAST

.TROUGH 26N151W 22N152W 17N152W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS FROM 24N TO 22N BETWEEN 147W AND 153W.
.24 HOUR FORECAST TROUGH FROM 26N156W 22N157W 17N156W.
.48 HOUR FORECAST TROUGH FROM 27N161W TO 21N161W.

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

.SEAS 2.5 M OR LESS OVER THE REMAINDER OF FORECAST AREA.

.MONSOON TROUGH 15N171W 09N180W.
SCATTERED MODERATE TSTMS WITHIN 420NM OF TROUGH E OF 152W...
AND 300 NM OF TROUGH W OF 162W.

.ITCZ 10N147W 11N157W 16N168W. SCATTERED MODERATE TSTMS WITHIN
240NM OF TROUGH W OF 160W.


$$

.FORECASTER KINO. HONOLULU HI.