132
FZPN40 PHFO 301521
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 30 2026.
24 HOUR FORECAST VALID 1200 UTC AUG 31 2026.
48 HOUR FORECAST VALID 1200 UTC SEP 01 2026.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LOWELL NEAR 13.3N 140.4W 1000 MB AT 1500 UTC AUG
30 MOVING W OR 270 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM W SEMICIRCLE.
SEAS 4 M OR GREATER WITHIN 60 NM SW QUADRANT AND 30 NM NW QUADRANT.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 13.3N 144.1W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 4 M
OR GREATER WITHIN 60 NM NW AND SW QUADRANTS.
.48 HOUR FORECAST HURRICANE LOWELL NEAR 13.5N 148.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM NE QUADRANT...40 NM SE QUADRANT...60 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 75 NM NW AND SW QUADRANTS.

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 30N173W 28N174W 25N175W MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

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

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

.MONSOON TROUGH 13N140W 09N145W 08N152W 10N165W 08N171W
14N180W. SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH W
OF 153W.

$$

.FORECASTER THOMAS. HONOLULU HI.