914
FZPN40 PHFO 010334
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE SEP 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 01 2026.
24 HOUR FORECAST VALID 0000 UTC SEP 02 2026.
48 HOUR FORECAST VALID 0000 UTC SEP 03 2026.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LOWELL NEAR 13.0N 147.4W 993 MB AT 0300 UTC SEP
01 MOVING W OR 280 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E
SEMICIRCLE...70 NM SW QUADRANT AND 80 NM NW QUADRANT. WINDS 20 TO
34 KT ELSEWHERE WITHIN 260 NM N SEMICIRCLE AND WITHIN 120 NM S
SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 75 NM OF CENTER EXCEPT 90
NM NE QUADRANT WITH SEAS TO 5.5 M. SEAS 2.5 TO 4 M ELSEWHERE
WITHIN 160 NM N SEMICIRCLE AND WITHIN 90 NM S SEMICIRCLE. ISOLATED
MODERATE TO STRONG TSTMS FROM 15N TO 11N BETWEEN 150W AND 146W.
.12 HOUR FORECAST HURRICANE LOWELL NEAR 13.2N 148.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE LOWELL NEAR 13.4N 150.7W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM E SEMICIRCLE...70 NM SW QUADRANT AND 80 NM NW
QUADRANT. WINDS 20 TO 34 KT ELSEWHERE WITHIN 380 NM N SEMICIRCLE
AND 220 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 140 NM N
SEMICIRCLE AND WITHIN 120 NM S SEMICIRCLE WITH SEAS TO 7 M. SEAS
2.5 TO 4 M ELSEWHERE FROM 20N TO 06N BETWEEN 155W AND 144W.
.48 HOUR FORECAST HURRICANE LOWELL NEAR 13.9N 154.5W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM S SEMICIRCLE...90 NM NE QUADRANT AND 100 NM NW
QUADRANT. WINDS 20 TO 34 KT ELSEWHERE WITHIN 360 NM N SEMICIRCLE
AND WITHIN 150 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 220 NM
N SEMICIRCLE AND WITHIN 120 NM S SEMICIRCLE WITH SEAS TO 7.5 M.
SEAS 2.5 TO 4 M ELSEWHERE IN AREA BOUNDED BY 21N153W 19N154W
16N159W 07N155W 12N147W 19N148W 21N153W.

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 26N144W 20N146W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW EMBEDDED IN MONSOON TROUGH NEAR 10N171W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS FROM 14N TO 05N BETWEEN 174W AND 166W.
.24 HOUR FORECAST LOW DISSIPATED.

.WINDS 20 TO 25 KT FROM 09N TO 04N E OF 145W.
.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 FROM 07N TO 04N BETWEEN 147W AND 142W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 06N E OF 151W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M E OF LINE 25N140W 22N155W
20N146W 10N142W 10N140W.

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

.MONSOON TROUGH 10N140W 10N142W...AND 09N149W 08N153W 10N158W
10N172W 08N180W. SCATTERED MODERATE TSTMS S OF 08N E OF 158W...
AND FROM 14N TO 07N BETWEEN 166W AND 158W.

.ISOLATED MODERATE TSTMS N OF 27N W OF 175W.

$$

.FORECASTER TROTTER. HONOLULU HI.