FZPN40 PHFO 232231
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 23 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 24 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 25 2026.

.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM LALA NEAR 32.5N 174.3W 988 MB AT 2100 UTC AUG 23
MOVING NW OR 305 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM N
SEMICIRCLE...130 NM SE QUADRANT AND 100 NM SW QUADRANT.  SEAS 4
M OR GREATER WITHIN 270 NM NE QUADRANT...180 NM SE
QUADRANT...210 NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS
TO 5 M.
.24 HOUR FORECAST TROPICAL STORM LALA N OF AREA. WINDS 20 TO 25 KT
AND SEAS 2.5 TO 3 M N OF 28N W OF 172W.
.48 HOUR FORECAST TROPICAL STORM LALA N OF AREA. WINDS DIMINISHING
TO 20 KT OR LESS S OF 30N. SEAS DECREASING TO 2.5 M OR LESS S OF 
30 N. 

...TROPICAL STORM WARNING...
.TROPICAL STORM MOKE NEAR 15.2N 156.3W 1002 MB AT 2100 UTC AUG
23 MOVING W OR 275 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN
150 NM N SEMICIRCLE...AND 90 NM SW QUADRANT WITH SEAS TO 4.5 M.
WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M ELSEWHERE WITHIN 300 NM OF 
N SEMICIRCLE. 
.24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.7N 160.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. WINDS 20 TO 30 KT
AND SEAS 2.5 TO 4 M ELSEWHERE WITHIN 270 NM OF CENTER.
.48 HOUR FORECAST TROPICAL DEPRESSION MOKE NEAR 16.8N 166.1W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT
WITHIN 180 NM N SEMICIRCLE. SEAS DIMINISHING TO 2.5 M OR LESS.

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 

.LOW 1010 MB 04N172W MOVING NW 10 KT BECOMING STATIONARY. 
.24 HOUR FORECAST LOW 06N175W 1010 MB. 
.48 HOUR FORECAST LOW 06N175W 1010 MB.

.TROUGH 30N148W 26N150W 25N155W MOVING W 10 KT. 
.24 HOUR FORECAST TROUGH 30N152W 25N157W. 
.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 03N177W 07N160W 06N147W 05N140W. SCATTERED MODERATE
TSTMS FROM 02N TO 08N BETWEEN 180W AND 174W...AND FROM 00N TO 08N
BETWEEN 155W AND 145W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN
150 NM OF TROUGH.

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS FROM 25N TO 30N 
BETWEEN 172W AND 166W. 

$$

.FORECASTER PECHACEK. HONOLULU HI.