959
FZPN40 PHFO 212153
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 21 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 22 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 23 2026.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE LALA NEAR 28.6N 170.4W 974 MB AT 2100 UTC AUG 21
MOVING NNE OR 030 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E
SEMICIRCLE AND 120 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN
210 NM N SEMICIRCLE...150 NM SE QUADRANT AND 120 NM SW QUADRANT
WITH SEAS TO 11 M. WINDS 20 TO 33 KT AND SEAS 2.5 M OR GREATER N
OF 22N BETWEEN 165W AND 178W. SCATTERED MODERATE TO LOCALLY STRONG
TSTMS N OF 24N BETWEEN 164W AND 175W...AND WITHIN 90 NM OF A LINE
24N167W 19N170W 16N180W.
.24 HOUR FORECAST HURRICANE LALA N OF AREA NEAR 31.0N 171.9W.
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE
WINDS WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...125 NM SW
QUADRANT...AND 150 NM NW QUADRANT. SEAS 4 M TO 8.5 M N OF 26N
BETWEEN 165W AND 176W OVER FORECAST AREA. ELSEWHERE WINDS 20 TO 33
KT AND SEAS 2.5 M OR GREATER N OF 24N BETWEEN 163W AND 179W.
.48 HOUR FORECAST TROPICAL STORM LALA N OF AREA NEAR 32.6N
173.9W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM
FORCE WINDS WITHIN 135 NM NE QUADRANT...120 NM SE QUADRANT...100
NM SW QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 M TO 5 M N OF 27N
BETWEEN 170W AND 180W. ELSEWHERE WINDS 20 TO 33 KT AND SEAS 2.5 M
OR GREATER N OF 25N BETWEEN 166W AND 180W.
SEE THE LATEST BULLETIN ON HURRICANE LALA ISSUED BY NHC UNDER WMO
HEADER WTP22 PHFO.
..TROPICAL STORM WARNING
.TROPICAL STORM MOKE NEAR 13.9N 147.2W 1002 MB AT 2100 UTC AUG
21 MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 30
NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE SEAS 2.5 M TO 4 M AND
WINDS 20 TO 33 KT FROM 12N TO 19N BETWEEN 143W AND 150W. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 300 NM NE SEMICIRCLE FROM
CENTER.
.24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.1N 150.8W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW
QUADRANT. SEAS 4 M OR GREATER FROM 14N TO 18N BETWEEN 148W AND
152W WITH SEAS TO 5.5 M. ELSEWHERE SEAS 2.5 TO 4 M AND WINDS 20 TO
33 KT FROM 12N TO 21N BETWEEN 146W AND 158W.
.48 HOUR FORECAST TROPICAL STORM MOKE NEAR 16.1N 155.4W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT. SEAS 4 M TO 5.5M
FROM 14N TO 18N BETWEEN 153W AND 158W. SEAS 2.5 TO 4 M AND AND
WINDS 20 TO 33 KT ELSEWHERE FROM 12N TO 21N BETWEEN 147W AND 160W.
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 ON TROPICAL STORM MOKE ISSUED BY NHC UNDER WMO
HEADER WTP23 PHFO.
.SYNOPSIS AND FORECAST
.TROUGH 20N159W TO 24N158W TO 27N156W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 20N158W TO 22N160W TO 25N160W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA.
.SEAS 2.5 M OR LESS OVER THE REMAINDER OF FORECAST AREA.
.MONSOON TROUGH 08N151W 08N157W 08N167W 10N173W 10N180W. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS S OF TROUGH E OF 160W...AND
WITHIN 180 NM OF TROUGH W OF 176W.
.ITCZ 09N140W 10N140W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
ITCZ.
.FORECASTER ALMANZA. HONOLULU HI.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page