201
FZPN40 PHFO 081527
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC TUE SEP 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 08 2026.
24 HOUR FORECAST VALID 1200 UTC SEP 09 2026.
48 HOUR FORECAST VALID 1200 UTC SEP 10 2026.

.WARNINGS.
...HURRICANE WARNING...
.HURRICANE LOWELL NEAR 23.7N 160.7W 967 MB AT 1500 UTC SEP 08
MOVING N OR 360 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 190 NM NE
QUADRANT...150 NM SE QUADRANT...120 NM SW QUADRANT...AND 200 NM
NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE FROM N OF 18N BETWEEN
165W AND 157W. SEAS 4 M OR GREATER WITHIN 330 NM OF CENTER WITH
SEAS TO 12 M. SEAS 2.5 TO 4 M ELSEWHERE DESCRIBED BELOW. ISOLATED
MODERATE TSTMS FROM 27N TO 22N BETWEEN 163W AND 156W.
.12 HOUR FORECAST TROPICAL STORM LOWELL NEAR 25.8N 160.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 27.7N 161.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 170 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW
QUADRANT...AND 150 NM NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE
N OF 25N BETWEEN 165W AND 153W. SEAS 4 M OR GREATER
N OF 23N BETWEEN 168W AND 153W WITH SEAS TO 9 M. SEAS 2.5 TO 4 M
ELSEWHERE DESCRIBED BELOW.
.48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 28.6N 166.7W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW
QUADRANT...AND 100 NM NW QUADRANT. WINDS 20 TO 34 KT ELSEWHERE
N OF 24N BETWEEN 166W AND 153W. SEAS 4 M OR GREATER
N OF 26N BETWEEN 171W AND 159W WITH SEAS TO 7 M. SEAS 2.5 TO 4 M
ELSEWHERE DESCRIBED BELOW.

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

.LOW NEAR 24N153W 1008 MB MOVING NW 10 KT. TROUGH FROM 28N150W TO
LOW TO 23N150W MOVING NW 10 KT. WINDS 20 TO 30 KT N OF 23N
BETWEEN 157W AND 147W. SEAS DESCRIBED BELOW.
.24 HOUR FORECAST LOW AND TROUGH WEAKENED AND ABSORBED INTO
TROPICAL STORM LOWELL.

.TROUGH 30N166W 25N166W MOVING NNW 15 KT. ISOLATED
MODERATE TSTMS N OF 28N BETWEEN TROUGH AND 165W.
.24 HOUR FORECAST TROUGH MOVED N OF AREA.

.48 HOUR FORECAST NEW TROUGH 13N142W 04N154W.

.WINDS 20 TO 30 KT FROM 09N TO 03N BETWEEN 178W AND 164W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 2.5 TO 4 M N OF 05N.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 14N E OF 173W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 28N180W 22N168W
25N155W 30N148W.

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

.MONSOON TROUGH 08N140W 09N144W 07N147W...AND 15N169W 12N174W
12N180W. ISOLATED MODERATE TSTMS FROM 11N TO 05N E OF 147W...AND
FROM 09N TO 02N W OF 170W.

.ISOLATED MODERATE TO STRONG TSTMS S OF 02N BETWEEN 169W AND
161W...AND S OF 05N E OF 142W.

$$

.FORECASTER TROTTER. HONOLULU HI.