832
FZPN40 PHFO 210336
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 21 2026.
24 HOUR FORECAST VALID 0000 UTC AUG 22 2026.
48 HOUR FORECAST VALID 0000 UTC AUG 23 2026.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE LALA NEAR 25.6N 172.3W 974 MB AT 0300 UTC AUG 21
MOVING N OR 010 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT GUSTS
100 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE
QUADRANTS...130 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 180 NM OF CENTER EXCEPT 165 NM SE QUADRANT
WITH SEAS TO 10 M. WINDS 20 TO 33 KT AND SEAS 2.5 M OR GREATER
ELSEWHERE WITHIN 280 NM OF CENTER. NUMEROUS STRONG TO MODERATE
TSTMS WITHIN 150 NM W SEMICIRCLE...AND WITHIN 240 NM E
SEMICIRCLE.
.24 HOUR FORECAST HURRICANE LALA NEAR 28.9N 171.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...100 NM SW
QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM OF CENTER WITH SEAS TO 11.5 M. WINDS 20 TO 33 KT AND SEAS 2.5 M
OR GREATER N OF 22N BETWEEN 165W AND 178W.
.48 HOUR FORECAST HURRICANE LALA N OF AREA NEAR 31.3N 173.5W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 140 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND
110 NM SW QUADRANT. SEAS 4 M OR GREATER N OF 27N BETWEEN 169W AND
179W WITH SEAS TO 6 M OVER FORECAST AREA. ELSEWHERE WINDS 20 TO 33
KT N...AND SEAS 2.5 M OR GREATER N OF 25N BETWEEN 165W AND 180W.
SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA22
PHFO.
..TROPICAL STORM WARNING
.TROPICAL DEPRESSION TWO-C NEAR 12.9N 145.0W 1006 MB AT 0300 UTC
AUG 21 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. WINDS 20 TO 30 KT...AND SEAS 2.5 TO 3 M FROM
12N TO 17N BETWEEN 141W AND 147W. SCATTERED MODERATE TO STRONG
TSTMS FROM 06N TO 18N E OF 152W.
.12 HOUR FORECAST TROPICAL STORM TWO-C NEAR 13.3N 146.1W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM NE QUADRANT. ELSEWHERE WINDS 20 TO 33 KT...AND SEAS
2.5 M TO 4 M FROM 11N TO 19N BETWEEN 142W AND 149W.
.24 HOUR FORECAST TROPICAL STORM TWO-C NEAR 13.9N 147.7W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM NE QUADRANT AND 20 NM NW QUADRANT. SEAS 4 M OR
GREATER FROM 13N TO 15N BETWEEN 146W AND 149W. ELSEWHERE WINDS 20
TO 33 KT...AND SEAS 2.5 M OR GREATER FROM 12N TO 20N BETWEEN 143W
AND 152W.
.48 HOUR FORECAST TROPICAL STORM TWO-C NEAR 15.9N 151.6W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240
NM N SEMICIRCLE WITH SEAS TO 5.5 M. ELSEWHERE WINDS 20 TO 33 KT
AND SEAS 2.5 M OR GREATER FROM 13N TO 22N BETWEEN 144W AND 157W.
SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA23
PHFO.
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 27N154W 23N155W 20N155W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 29N158W 27N160W 24N161W.
.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 11N168W 08N180W. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 300 NM OF TROUGH.
.ITCZ 11N154W 10N162W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF
TROUGH.
.ISOLATED MODERATE TSTMS FROM 13N TO 21N BETWEEN 165W AND
170W...ANS S OF 04N BETWEEN 147W AND 156W.
.FORECASTER ALMANZA. HONOLULU HI.
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