759
FZPN40 PHFO 101534
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU SEP 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10 2026.
24 HOUR FORECAST VALID 1200 UTC SEP 11 2026.
48 HOUR FORECAST VALID 1200 UTC SEP 12 2026.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM LOWELL NEAR 29.1N 167.7W 988 MB AT 1500 UTC SEP
10 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE
QUADRANT...90 NM SE QUADRANT...50 NM SW QUADRANT AND 130 NM NW
QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF 27N BETWEEN 157W AND
173W. SEAS 4 M OR GREATER WITHIN 510 NM NE QUADRANT...270 NM SE
QUADRANT...300 NM SW QUADRANT AND 420 NM NW QUADRANT WITH SEAS TO
8 M. SEAS 2.5 TO 3.5 M ELSEWHERE N OF 23N W OF 155W. SCATTERED
MODERATE TSTMS WITHIN 120 NM NE SEMICIRCLE FROM CENTER.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 29.2N 171.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT...30 NM SE QUADRANT AND 60 NM NW
QUADRANT. WINDS 20 TO 30 KT ELSEWHERE N OF 28N BETWEEN 164W AND
175W. SEAS 4 M OR GREATER N OF 28N BETWEEN 169W AND 174W WITH SEAS
TO 5.5 M. SEAS 2.5 TO 3.5 M ELSEWHERE N OF 24N W OF 160W.
.48 HOUR FORECAST TROPICAL STORM LOWELL N OF AREA. WINDS 20 TO 25
KT N OF 29N BETWEEN 166W AND 170W. SEAS 2.5 TO 3.5 M N OF 27N W
OF 166W.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
SEE THE LATEST BULLETIN FROM NHC UNDER WMO HEADER WTPA24 PHFO FOR
ADDITIONAL DETAILS.
.SYNOPSIS AND FORECAST
.LOW 05N150W 1008 MB MOVING N SLOWLY.
.24 HOUR FORECAST LOW 11N147W 1006 MB. WINDS 20 TO 25 KT FROM 12N
TO 14B BETWEEN 143W AND 144W.
.48 HOUR FORECAST LOW 15N147W 1005 MB. WINDS 20 TO 25 KT WITHIN
85 NM NE SEMICIRCLE FROM CENTER.
.LOW 10N160W 1008 MB NEARLY STATIONARY. SCATTERED TSTMS FROM 09N
TO 12N BETWEEN 159W AND 166W.
.24 HOUR FORECAST LOW 10N157W 1009 MB.
.48 HOUR FORECAST LOW ABSORBED BY MONSOON TROUGH.
.TROUGH 17N157W TO 20N158W TO 24N158W MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH 13N160W TO 16N160W TO 21N161W.
.48 HOUR FORECAST TROUGH 14N163W TO 17N163W TO 23N165W.
.TROUGH 17N145W TO 21N142W TO 23N140W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 18N147W TO 22N146W TO 28N141W.
.48 HOUR FORECAST TROUGH 19N150W TO 21N147W TO 25N145W.
.24 HOUR FORECAST NEW TROUGH 26N149W TO 30N149W.
.48 HOUR FORECAST TROUGH 26N154W TO 30N153W.
.SEAS 2.5 TO 3 M N OF 28N BETWEEN 147W AND 155W.
.24 HOUR FORECAST SEAS SUBSIDED BELOW 2.5 M.
.WINDS 20 KT OR LOWER OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.MONSOON TROUGH FROM 09N140W TO FIRST LOW DESCRIBED ABOVE TO
SECOND LOW MENTIONED ABOVE TO 11N170W TO 10N180W. SCATTERED
MODERATE TO ISOLATED TSTMS NEAR TROUGH FROM 00N TO 13N E OF 156W.
SCATTERED MODERATE TO STRONG TSTMS S OF TROUGH FROM 00N TO 04N W
OF 156W.
.FORECASTER CHAN. HONOLULU HI.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page