842
FZPN02 KWBC 182325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18.
24 HOUR FORECAST VALID 1800 UTC AUG 19.
48 HOUR FORECAST VALID 1800 UTC AUG 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 62N BETWEEN THE W COAST OF ALASKA AND 171W N WINDS
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 55N152W 1012 MB MOVING NE 15 KT. FROM 47N TO 55N
BETWEEN 146W AND 157W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 57N147W 1016 MB. WITHIN 360 NM E AND
SE OF A LINE FROM LOW CENTER TO  45N158W WINDS TO 25 KT.
SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW
59N150W DESCRIBED BELOW.

.LOW 54N169W 1008 MB MOVING NE 15 KT. FROM 48N TO 56N BETWEEN
162W AND 178W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 56N163W 1012 MB. WITHIN 540 NM SW
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 59N150W 1013 MB. WITHIN 360 NM E AND
NE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5.

.FROM 30N TO 48N BETWEEN 118W AND 128W N WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 30N TO 51N BETWEEN 118W AND 129W
N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 30N TO 52N BETWEEN 120W AND 132W
N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N
TO 55N BETWEEN 138W AND 164W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 58N BETWEEN 139W
AND 152W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 138W
AND 151W.

.FORECASTER MILLS. 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 TUE AUG 18.
24 HOUR FORECAST VALID 1800 UTC WED AUG 19.
48 HOUR FORECAST VALID 1800 UTC THU AUG 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N95W TO 14.5N95.5W TO 14N95.5W TO 14.5N95W TO 15N95W
TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 15N95W TO 14N97W TO
13N97W TO 13N96W TO 14N95W TO 15N95W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 01N101W TO 01N108W TO 00N113W TO 00N132W TO 03.4S114W TO
03.4S89W TO 01N101W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SE AND SW SWELL.
.24 HOUR FORECAST WITHIN 01S96W TO 03N96W TO 02N112W TO 00N135W
TO 03S120W TO 03.4S82W TO 01S96W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST WITHIN 00N106W TO 01N108W TO 01S113W TO
03.4S111W TO 02S104W TO 03.4S95W TO 00N106W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED SE AND S SWELL.

.06 HOUR FORECAST WITHIN 12N87W TO 11N88W TO 11N87W TO 12N87W...
INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N88W TO 11N87W TO
11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 14N136W TO 14N137W TO 13N138W TO
12N137W TO 12N136W TO 13N136W TO 14N136W WINDS 20 KT OR LESS.
SEAS 2.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N136W TO 14N138W TO 13N139W TO
12N139W TO 12N138W TO 13N137W TO 14N136W WINDS 20 KT OR LESS.
SEAS 2.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 15.5N140W TO 14.5N140W TO 15N140W TO
15.5N140W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.

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

CONVECTION VALID AT 2000 UTC TUE AUG 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10.5N75W TO 09N95W. ITCZ FROM 09N95.5W TO
09.5N103W...THEN RESUMES FROM 08.5N105W TO 06.5N114W TO
10.5N131W...
THEN RESUMES NEAR 09.5N134W TO BEYOND 09N140W. SCATTERED TO
NUMEROUS
MODERATE ISOLATED STRONG FROM 03.5N TO 16N BETWEEN 81W AND 90W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 10N TO 14N
BETWEEN 90W AND 98W. SCATTERED TO NUMEROUS MODERATE TO STRONG
FROM 06.5N TO 14N BETWEEN 99W AND 109W. SCATTERED MODERATE
CONVECTION IS NOTED FROM 02.5N TO 13N BETWEEN 109W AND 125W.
SCATTERED TO NUMEROUS MODERATE TO STRONG FROM 00N TO 14N BETWEEN
128W AND 140W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC AUG 18 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 19 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 20 2026.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LALA NEAR 20.4N 168.1W 970 MB AT 2100 UTC AUG 18
MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N SEMICIRCLE AND
90 NM S SEMICIRCLE. WINDS 2O TO 30 KT ELSEWHERE FROM 18N TO 25N
BETWEEN 163W AND 171W. SEAS 4 M OR GREATER WITHIN 165 NM N
SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 7.5 M. SEAS 4.5 TO
7.5 M ELSEWHERE WITHIN 105 NM N SEMICIRCLE. SEAS 2.5 TO 4 M
REMAINDER OF AREA FROM 17N TO 28N BETWEEN 162W AND 174W. MODERATE
TO STRONG TSTMS ARE WITHIN 40 NM FROM THE CENTER.
.24 HOUR FORECAST HURRICANE LALA NEAR 21.9N 170.7W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 9
M. WINDS 2O TO 30 KT ELSEWHERE FROM 18N TO 25N BETWEEN 165W AND
174W. SEAS 4.5 TO 9 M ELSEWHERE WITHIN 75 NM N SEMICIRCLE. SEAS
2.5 TO 4 M REMAINDER OF AREA FROM 17N TO 27N BETWEEN 164W AND
175W.
.48 HOUR FORECAST HURRICANE LALA NEAR 24.5N 171.9W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE. WINDS 20 TO 30
KT ELSEWHERE FROM 21N TO 28N BETWEEN 167W AND 176W. SEAS 4 M OR
GREATER WITHIN 130 NM OF CENTER WITH SEAS TO 9.5 M. SEAS 5 TO 9.5
M ELSEWHERE WITHIN 25 NM FROM CENTER. SEAS 2.5 TO 5 M ELSEWHERE
20N OT 29N BETWEEN 166W AND 177W.

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 20N147W 1009 MB...TROUGH FROM 14N153W TO LOW TO 23N144W...
BOTH MOVING W SLOWLY. SCATTERED MODERATE TSTMS FROM 19N TO 21N
BETWEEN 144W AND 147W.
.24 HOUR FORECAST LOW OPENED TO A TROUGH FROM 16N151W TO 22N149W.
.48 HOUR FORECAST TROUGH 16N154W TO 24N154W.

.24 HOUR FORECAST NEW LOW NEAR 09N141W 1008 MB.
.48 HOUR FORECAST NEW LOW NEAR 11N148W 1007 MB.

.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 10N156W TO 11N170W TO 11N180W. SCATTERED MODERATE
TSTMS NEAR AND UP TO 400 NM S OF TROUGH BETWEEN 163W AND 175W.

.ITCZ 09N140W TO 11N150W TO 10N156W. SCATTERED MODERATE TSTMS S OF
ITCZ FROM 01N TO 06N E OF 145W.

$$

.FORECASTER CHAN. HONOLULU HI.