380
FZPN40 PHFO 060309
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN SEP 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 06 2026.
24 HOUR FORECAST VALID 0000 UTC SEP 07 2026.
48 HOUR FORECAST VALID 0000 UTC SEP 08 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LOWELL NEAR 13.7N 163.4W 942 MB AT 0300 UTC SEP 06
MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 115 KT
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N
SEMICIRCLE...120 NM SE QUADRANT AND 110 NM SW QUADRANT. SEAS
4 M OR GREATER WITHIN 330 NM NE QUADRANT...210 NM SE QUADRANT
...240 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH SEAS TO 12 M.
SEAS 2.5 TO 4 M ELSEWHERE FROM 05N TO 24N BETWEEN 172W AND 155W.
.24 HOUR FORECAST HURRICANE LOWELL NEAR 15.5N 164.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...100 NM SW
QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 10N
TO 20N BETWEEN 170W AND 160W WITH SEAS TO 11 M. SEAS 2.5 TO 4 M
ELSEWHERE N OF 06N W OF 155W.
.48 HOUR FORECAST HURRICANE LOWELL NEAR 19.7N 162.9W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 100
NM SW QUADRANT. SEAS 4 M OR GREATER 14N TO 24N BETWEEN 170W AND
158W WITH SEAS TO 11 M. SEAS 2.5 TO 4 M ELSEWHERE N OF 07N W OF
155W.

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

...TROPICAL STORM WARNING...
.TROPICAL STORM KARINA NEAR 22.0N 143.9W 993 MB AT 0300 UTC SEP
06 MOVING WNW OR 295 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM S SEMICIRCLE
...120 NM NE QUADRANT AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 240 NM W SEMICIRCLE...210 NM NE QUADRANT AND 120 NM SE
QUADRANT WITH SEAS TO 8 M. SEAS 2.5 TO 4 M ELSEWHERE N OF 15N E OF
155W.
.24 HOUR FORECAST TROPICAL STORM KARINA NEAR 22.8N 145.9W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 21N TO
29N BETWEEN 150W AND 144W WITH SEAS TO 6 M. SEAS 2.5 TO 4 MN OF
18N E OF 152W.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KARINA NEAR 23.3N
149.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR
GREATER FROM 22N TO 26N BETWEEN 155W AND 147W WITH SEAS TO 5 M.
SEAS 2.5 TO 4 M ELSEWHERE N OF 21N E OF 155W.

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

.WINDS 20 TO 25 KT FROM 05N TO 10N BETWEEN 167W AND 158W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 20N TO 25N BETWEEN 175W
AND 160W... AND FROM 02N TO 07N W OF 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 04N TO 07N W OF 170W...
AND N OF 23N BETWEEN 165W AND 147W.

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

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

.MONSOON TROUGH 10N140W TO 10N152W...AND 08N180W TO 07N173W TO
08N162W. ISOLATED MODERATE TSTMS FROM 05N TO TROUGH BETWEEN 165W
AND 160W.

.ISOLATED MODERATE TSTMS FROM 10N TO 13N BETWEEN 160W AND 155W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.