High Seas Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
658
FZPN40 PHFO 220329
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2026.
24 HOUR FORECAST VALID 0000 UTC AUG 23 2026.
48 HOUR FORECAST VALID 0000 UTC AUG 24 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LALA NEAR 29.4N 170.7W 977 MB AT 0300 UTC AUG 22
MOVING N OR 355 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS
90 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E SEMICIRCLE AND
120 NM W SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN 210 NM OF
CENTER EXCEPT 240 NM SE QUADRANT WITH SEAS TO 12.5 M. ELSEWHERE
SEAS 2.5 TO 4 M AND WINDS 20 TO 33 KT N OF 23N BETWEEN 165W AND
168W. NUMEROUS MODERATE TO LOCALLY STRONG TSTMS N OF 28N BETWEEN
169W AND 175W.
.24 HOUR FORECAST HURRICANE LALA N OF AREA NEAR 31.0N 172.2W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 130 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND
120 NM SW QUADRANT. OVER FORECAST AREA SEAS 4 M TO 6.5 M N OF 27N
BETWEEN 168W AND 178W. ELSEWHERE SEAS 2.5 M TO 4 M AND WINDS 20 TO
33 KT N OF 24N BETWEEN 165W AND 180W.
.48 HOUR FORECAST TROPICAL STORM LALA FAR N OF AREA NEAR 32.3N
174.0W. WINDS 20 TO 33 KT AND SEAS 2.5 TO 4M N OF 26N BETWEEN
170W AND 180W.

SEE THE LATEST BULLETIN ON HURRICANE LALA ISSUED BY NHC UNDER WMO
HEADER WTP22 PHFO.

...TROPICAL STORM WARNING...
.TROPICAL STORM MOKE NEAR 14.0N 148.3W 999 MB AT 0300 UTC AUG 22
MOVING WNW OR 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 30 NM NW QUADRANT WITH
SEAS TO 4.5 M. ELSEWHERE SEAS 2.5 TO 4 M AND WINDS 20 TO 33 KT
FROM 12N TO 17N BETWEEN 143W AND 147W. NUMEROUS MODERATE TO STRONG
TSTMS FROM 12N TO 16N BETWEEN 140W AND 149W.
.24 HOUR FORECAST TROPICAL STORM MOKE NEAR 15.2N 151.6W. 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 150W AND
154W WITH SEAS TO 5.5 M. ELSEWHERE SEAS 2.5 M TO 4 M AND WINDS 20
TO 33 KT FROM 12N TO 22N BETWEEN 144W AND 158W.
.48 HOUR FORECAST TROPICAL STORM MOKE NEAR 16.2N 156.6W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT. SEAS 4 M OR GREATER
FROM 15N TO 18N BETWEEN 154W AND 158W WITH SEAS TO 5 M. ELSEWHERE
SEAS 2.5 M TO 4 M AND WINDS 20 TO 33 KT FROM 12N TO 21N BETWEEN
148W AND 161W.

SEE THE LATEST BULLETIN ON TROPICAL STORM MOKE ISSUED BY NHC UNDER WMO
HEADER WTP23 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 30N159W 26N161W 24N160W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 25N164W 22N165W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 29N141W 26N142W 24N142W
.24 HOUR FORECAST TROUGH 28N145W 24N146W.
.48 HOUR FORECAST TROUGH 29N147W 25N150W.

.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 12N180W 12N175W 09N164W 08N150W. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS S OF TROUGH E OF 161W.

.SCATTERED MODERATE TSTMS WITHIN 90 NM OF A LINE 15N180W 20N169W.

$$

.FORECASTER ALMANZA. HONOLULU HI.