386
FZPN40 PHFO 011019
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 01 2026.
24 HOUR FORECAST VALID 0600 UTC SEP 02 2026.
48 HOUR FORECAST VALID 0600 UTC SEP 03 2026.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LOWELL NEAR 13.1N 148.5W 993 MB AT 0900 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 120 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE.
SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE AND 75 NM S
SEMICIRCLE WITH SEAS TO 6 M. SEAS 2.5 TO 4 M ELSEWHERE WITHIN
150 NM N SEMICIRCLE AND 210 E SEMICIRCLE. SCATTERED STRONG TSTMS
WITHIN 180 NM N SEMICIRCLE.
.12 HOUR FORECAST HURRICANE LOWELL NEAR 13.3N 149.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE LOWELL NEAR 13.5N 151.7W. 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 190 NM N SEMICIRCLE
AND 90 S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 150 N SEMICIRCLE
AND 100 NM S SEMICIRCLE WITH SEAS TO SEAS TO 6.5 M. SEAS 2.5 TO
4 FEET ELSEWHERE WITHIN 330 NM N SEMICIRCLE AND 210 S SEMICIRCLE.
.48 HOUR FORECAST HURRICANE LOWELL NEAR 14.0N 155.6W. 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 260 NM N SEMICIRCLE
AND 90 S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 200 NM N
SEMICIRCLE AND 100 NM S SEMICIRCLE WITH SEAS TO 8 M. SEAS 2.5 TO
4 FT ELSEWHERE WITHIN 330 NM N SEMICIRCLE AND 210 S SEMICIRCLE.

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 23N149W 18N148W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW EMBEDDED IN MONSOON TROUGH NEAR 09N167W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 300 NM OF LOW.
.24 HOUR FORECAST LOW DISSIPATED.

.48 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 25N TO 17N E OF 143W.

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 19N BETWEEN
155W AND 160W.

.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 08N150W 07N153W 09N168W 09N180W. ISOLATED
MODERATE TSTMS WITHIN 300 NM OF TROUGH E OF 172W.

.ISOLATED MODERATE TSTMS N OF 26N W OF 176W.


$$

.FORECASTER THOMAS. HONOLULU HI.