939
FZPN02 KWBC 172325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON AUG 17 2026

CCODE/2:31:12:11:00/AOW+POR+AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC AUG 17.
24 HOUR FORECAST VALID 1800 UTC AUG 18.
48 HOUR FORECAST VALID 1800 UTC AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 38N TO 43N BETWEEN 124W AND 127W WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST FROM 37N TO 43N BETWEEN 124W AND 128W WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 34N TO 43N BETWEEN 121W AND 127W WINDS 20
TO 30 KT. SEAS TO 3 M.

.LOW 61N165W 995 MB NEARLY STATIONARY. FROM 52N TO 60N BETWEEN
138W AND 173W...AND N OF 63N BETWEEN 165W AND 172W WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 57N151W.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 61N165W 1008
MB. N OF 62N BETWEEN 166W AND 170W WINDS TO 25 KT. SEAS TO 2.5
M.
.48 HOUR FORECAST LOW 64N164W 1012 MB. CONDITIONS DIMINISHED.

.COMPLEX LOW WITH MAIN CENTER NEAR 47N164W 1015 MB MOVING NE 25
KT. FROM 35N TO 48N BETWEEN 158W AND 176W WINDS TO 25 KT. SEAS TO
3.5 M...HIGHEST NEAR 41N168W.
.24 HOUR FORECAST LOW 54N152W 1015 MB. FROM 48N TO 53N BETWEEN
151W AND 157W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 57N142W 1018 MB. CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 47N TO 50N BETWEEN 126W AND 130W WINDS TO
25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 53N
BETWEEN 174W AND 177W...FROM 45N TO 52N BETWEEN 139W AND
166W...FROM 55N TO 58N BETWEEN 133W AND 138W...AND N OF 58N
BETWEEN 165W AND 173W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 49N BETWEEN 142W AND
145W...FROM 49N TO 54N BETWEEN 142W AND 156W...AND WITHIN 120 NM
SE OF A LINE FROM 48N162W TO 44N165W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 141W AND
153W...AND WITHIN 90 NM E OF A LINE FROM 52N152W TO 45N158W.

.FORECASTER POCHE. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC MON AUG 17.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 18.
48 HOUR FORECAST VALID 1800 UTC WED AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N95W TO 13N97W TO 13N95W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS 20 TO 30
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.WITHIN 29N115W TO 30N116W TO 29N116W TO 29N115W...INCLUDING
SEBASTIAN VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.15 HOUR FORECAST CONDITIONS IMPROVE.

.WITHIN 01N107W TO 01S112W TO 01S120W TO 03.4S120W TO 03.4S93W
TO 01N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.24 HOUR FORECAST WITHIN 00N100W TO 00N108W TO 03S118W TO
03.4S91W TO 00N100W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.48 HOUR FORECAST WITHIN 02S98W TO 00N111W TO 00N120W TO
03.4S120W TO 03S113W TO 03S97W TO 02S98W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

.06 HOUR FORECAST WITHIN 27N110W TO 28N111W TO 27N111W TO
26N111W TO 25N110W TO 27N110W...INCLUDING THE GULF OF
CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.

.09 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 12N86W TO 12N89W TO 10N89W TO 10N87W TO
11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 2045 UTC MON AUG 17...

.TROPICAL WAVE AXIS ALONG 77W...SCATTERED TO NUMEROUS MODERATE
ISOLATED STRONG FROM 02N TO 12N E OF 87W.

.TROPICAL WAVE AXIS ALONG 98W...SCATTERED MODERATE FROM 07N TO
13N BETWEEN 93W AND 102W.

.TROPICAL WAVE AXIS ALONG 125W...SCATTERED MODERATE FROM 07N TO
11N BETWEEN 115W AND 125W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS 10N73W TO 11N85W TO 07N102W. ITCZ EXTENDS
FROM 07N102W TO 08N122W AND FROM 07N125W TO 05N140W. SCATTERED
TO NUMEROUS MODERATE ISOLATED STRONG FROM 02N TO 14N BETWEEN 87W
AND 93W.

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 1800 UTC AUG 17 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 18 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 19 2026.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LALA NEAR 20.4N 164.3W 994 MB AT 2100 UTC AUG 17
MOVING W OR 260 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS
65 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM N SEMICIRCLE AND
50 NM S SEMICIRCLE. WINDS 2O TO 30 KT ELSEWHERE FROM 18N TO 26N
BETWEEN 160W AND 165W. SEAS 4 M OR GREATER WITHIN 120 NM NW
SEMICIRCLE WITH SEAS TO 5.5 M. SEAS 2.5 TO 3.5 M ELSEWHERE FROM
11N TO 29N BETWEEN 158W AND 170W. SCATTERED MODERATE TSTMS ARE
OCCURRING UP TO 90 NM W SEMICIRCLE.
.24 HOUR FORECAST HURRICANE LALA NEAR 20.5N 167.6W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 75 KT. HURRICANE FORCE WINDS WITHIN 15
NM NW QUADRANT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE AND 70 NM S SEMICIRCLE. WINDS 20 TO 30 KT FROM 18N TO
26N BETWEEN 166W AND 173W. SEAS 4 M OR GREATER FROM 20N TO 24N
BETWEEN 168W AND 172W WITH SEAS TO 9.5 M. SEAS 6 TO 9.5 M UP TO
100 NM N SEMICIRCLE. SEAS 4 TO 6 M ELSEWHERE FROM 20N TO 24N
BETWEEN 168W AND 172W. SEAS 2.5 TO 4 M REMAINDER OF AREA FROM 17N
TO 27N BETWEEN 165W AND 177W.
.48 HOUR FORECAST HURRICANE LALA NEAR 21.7N 170.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. HURRICANE FORCE WINDS 25 NM N
SEMICIRCLE AND 15 NM SE QUADRANT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW
QUADRANT. WINDS 20 TO 30 KT ELSEWHERE FROM 22N TO 28N BETWEEN 168W
AND 176W. SEAS 4 M OR GREATER FROM 22N TO 26N BETWEEN 170W AND
175W WITH SEAS TO 8.5 M. SEAS 5.5 TO 8.5 M ELSEWHERE FROM 23N TO
25N BETWEEN 171W AND 174W. SEAS 2.5 TO 5 M ELSEWHERE FROM 20N TO
29N BETWEEN 167W AND 178W.

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 ISSUED BY NHC UNDER WMO HEADER WTPA22
PHFO.

.SYNOPSIS AND FORECAST

.LOW 17N132W 1009 MB...TROUGH FROM 15N145W TO LOW TO 20N143W...
BOTH MOVING 10 KT. WINDS 20 TO 25 KT FROM 18N TO 21N BETWEEN 143W
AND 146W. SEAS 2.5 TO 3 M FROM 17N TO 21N BETWEEN 143W AND 148W.
.24 HOUR FORECAST LOW OPENED TO A TROUGH FROM 13N149W TO 20N145W
TO 26N140W. WINDS EASED BELOW 20 KT AND SEAS BECAME LESS THAN 2.5
M.
.48 HOUR FORECAST TROUGH 15N152W TO 18N150W TO 23N150W. WINDS
BELOW 20 KT AND SEAS LESS THAN 2.5 M.

.LOW 1008M 09N175W MOVING W SLOWLY. WINDS BELOW 25N AND SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST LOW 11N173W. WINDS BELOW 25N AND SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST LOW 10N178W. WINDS BELOW 25N AND SEAS LESS THAN
2.5 M.

.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 15N167W TO LOW AT 09N175W TO 07N180W. SCATTERED
MODERATE TSTMS WITHIN 200 NM OF TROUGH.

.ITCZ 06N140W TO 01N151W TO 00N162W. SCATTERED MODERATE TO STRONG
TSTMS FROM 00N TO 07N E OF 164W.

.SCATTERED MODERATE TSTMS FROM 00N TO 4N W OF 170W.

$$

.FORECASTER CHAN. HONOLULU HI.