FZPN40 PHFO 231048
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SUN AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 23 2026.
24 HOUR FORECAST VALID 0600 UTC AUG 24 2026.
48 HOUR FORECAST VALID 0600 UTC AUG 25 2026.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LALA N OF AREA NEAR 32.0N 173.7W 984 MB AT 0900 
UTC AUG 23 MOVING NW OR 325 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 
60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NW 
AND SE QUADRANTS...150 NM NE QUADRANT AND 110 NM SW QUADRANT.	
SEAS 4 M OR GREATER WITHIN 330 NM N SEMICIRCLE...210 NM SE QUADRANT AND
300 NM SW QUADRANT. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 30N168W 26N176W 30N177W. ISOLATED MODERATE TSTMS N OF 29N 
BETWEEN 169W AND 175W. 
.24 HOUR FORECAST TROPICAL STORM LALA N OF AREA NEAR 33.1N 174.8W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
AND SEAS 4 M OR GREATER MOVED N OF FORECAST AREA. WINDS 20 TO 30 KT 
AND SEAS 2.5 TO 3.5 M N OF LINE 30N170W 2N175W 30N179W. 
.48 HOUR FORECAST TROPICAL STORM LALA NEAR 34.3N 176.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS AND 
SEAS 4 M OR GREATER MOVED N OF FORECAST AREA. ASSOCIATED WINDS 20 
KT OR LESS AND SEAS LESS THAN 2.5 M OVER FORECAST AREA.

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 MOKE NEAR 15.2N 153.5W 1002 MB AT 0900 UTC AUG
23 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN
120 NM N SEMICIRCLE...30 NM SE QUADRANT AND 60 NM SW QUADRANT
WITH SEAS TO 5 M. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE 
FROM 13N TO 22N BETWEEN 145W AND 157W. ISOLATED MODERATE TSTMS 
WITHIN 180 NM N SEMICIRCLE.
.24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.8N 158.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM NE QUADRANT...10 NM SE QUADRANT...0 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER
DIMINISHED. WINDS 20 TO 30 KT AND SEAS 2.5 M TO 4 M ELSEWHERE
FROM 12N TO 22N BETWEEN 150W AND 162W.
.48 HOUR FORECAST TROPICAL STORM MOKE NEAR 17.0N 163.2W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. WINDS 20 TO 30 KT
ELSEWHERE AND SEAS 2.5 M TO 3 M FROM 16N TO 20N BETWEEN 160W AND 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 BULLETINS ON LALA AND MOKE ISSUED BY NHC UNDER WMO
HEADERS...WTP22 PHFO AND WTP23 PHFO.

.SYNOPSIS AND FORECAST 

.TROUGH 29N146W 26N147W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 30N149W 26N151W. 
.48 HOUR FORECAST TROUGH 30N150W 25N154W. 

.LOW 1010 MB 05N169W MOVING SW 15 KT.
.24 HOUR FORECAST LOW 1010 MB 04N174W.
.48 HOUR FORECAST LOW 1010 MB 08N174W.

.HIGH 06N180W 1011 MB MOVING SW SLOWLY.
.24 HOUR FORECAST HIGH MOVED W OF AREA.
.48 HOUR FORECAST HIGH MOVED W OF AREA.

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

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

.ITCZ 05N140W 06N143W. ISOLATED MODERATE TSTMS WITHIN 300 NM S OF
ITCZ AND 120 NM N OF ITCZ. 

.MONSOON TROUGH 06N143W 09N147W 12N150W...AND 10N153W 07N162W 04N170W
...AND 19N178W 17N180. SCATTERED MODERATE TSTMS S OF TROUGH TO EQUATOR
W OF 170W. 

ISOLATED MODERATE TSTMS FROM 11N TO 17N BETWEEN 173W AND 176W...AND W
OF 170W S OF 09N.

$$

.FORECASTER VAUGHAN. HONOLULU HI.