TCMCP2
TROPICAL STORM LALA FORECAST/ADVISORY NUMBER 17
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012026
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
1500 UTC SUN AUG 16 2026
TROPICAL STORM CENTER LOCATED NEAR 20.2N 158.1W AT 16/1500Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 12 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 991 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 60NE 0SE 0SW 50NW.
34 KT.......120NE 50SE 50SW 90NW.
4 M SEAS....240NE 180SE 180SW 270NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 20.2N 158.1W AT 16/1500Z
AT 16/1200Z CENTER WAS LOCATED NEAR 19.9N 157.6W
FORECAST VALID 17/0000Z 20.7N 160.2W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 0SE 0SW 40NW.
34 KT...110NE 50SE 40SW 70NW.
FORECAST VALID 17/1200Z 20.9N 162.8W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 0SE 0SW 20NW.
34 KT...100NE 40SE 40SW 60NW.
FORECAST VALID 18/0000Z 20.8N 165.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 0SE 0SW 20NW.
34 KT...100NE 50SE 40SW 70NW.
FORECAST VALID 18/1200Z 20.6N 167.0W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 20SE 0SW 30NW.
34 KT...100NE 60SE 50SW 80NW.
FORECAST VALID 19/0000Z 20.7N 168.9W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 50NE 30SE 20SW 40NW.
34 KT...100NE 70SE 50SW 90NW.
FORECAST VALID 19/1200Z 21.0N 170.8W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 0SE 0SW 10NW.
50 KT... 50NE 30SE 20SW 40NW.
34 KT...100NE 80SE 60SW 90NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 20/1200Z 22.4N 174.0W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...120NE 90SE 70SW 100NW.
OUTLOOK VALID 21/1200Z 23.5N 176.0W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 50NE 40SE 30SW 40NW.
34 KT...130NE 100SE 70SW 100NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.2N 158.1W
INTERMEDIATE PUBLIC ADVISORY...WTNT32 PHFO/HFOTCPCP2...AT 16/1800Z
NEXT ADVISORY AT 16/2100Z
$$
FORECASTER REINHART
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN AUG 16 2026
CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 16.
24 HOUR FORECAST VALID 1200 UTC AUG 17.
48 HOUR FORECAST VALID 1200 UTC AUG 18.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH FIRST LOW 57N161W 995 MB MOVING N 15 KT AND
SECOND LOW 52N161W 1003 MB MOVING NE 15 KT. WITHIN 480 NM E
QUADRANT OF FIRST LOW AND 420 NM S QUADRANT OF SECOND LOW WINDS
25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 61N165W 993 MB. FROM 52N TO 60N BETWEEN
145W AND 168W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 63N165W 1004 MB. N OF 64N BETWEEN 166W AND
170W WINDS 25 TO 35 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 39N176W 1005 MB MOVING NE 15 KT. FRONT FROM 44N168W TO LOW
TO 33N178W. WITHIN 300 NM E OF FRONT WINDS 20 TO 30 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST LOW 43N168W 1014 MB. WITHIN 360 NM S AND 240
NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 55N152W 1014 MB. WITHIN 360 NM S AND 240
NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 37N TO 43N BETWEEN 123W AND 128W WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 36N TO 42N BETWEEN 123W AND 127W WINDS TO
25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 54N BETWEEN
165W AND 178W...FROM 45N TO 56N BETWEEN 148W AND 164W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NE OF A LINE FROM
60N150W TO 57N139W...AND N OF 58N BETWEEN 157W AND 175W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 52N BETWEEN 143W AND
157W...AND N OF 58N BETWEEN 158W AND 169W.
.FORECASTER ROWLAND. OCEAN PREDICTION CENTER.
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 1200 UTC SUN AUG 16.
24 HOUR FORECAST VALID 1200 UTC MON AUG 17.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 18.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 16N95W TO 14N96W TO 13N96W TO 13N95W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 11N86W TO 12N89W TO 10N92W TO 08N91W TO 09N90W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.
.WITHIN 22N137W TO 20N140W TO 16N140W TO 16N138W TO 18N135W TO
22N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL.
.21 HOUR FORECAST CONDITIONS IMPROVE.
.WITHIN 01S118W TO 00N119W TO 02S120W TO 03S119W TO 03S117W TO
03S116W TO 01S118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
SWELL.
.24 HOUR FORECAST WITHIN 02S100W TO 00N108W TO 02S111W TO
01N118W TO 03.4S120W TO 03.4S98W TO 02S100W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S SWELL.
.48 HOUR FORECAST WITHIN 01S99W TO 00N103W TO 02N108W TO 03S119W
TO 03.4S89W TO 01S99W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SS SWELL.
.06 HOUR FORECAST WITHIN 29N115W TO 30N116W TO 28N116W TO
27N116W TO 27N114W TO 29N115W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...NW WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE.
.27 HOUR FORECAST WITHIN 12N124W TO 13N125W TO 13N127W TO
11N127W TO 10N126W TO 11N125W TO 12N124W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 13N127W TO 13N128W TO 13N130W TO
12N129W TO 11N129W TO 12N128W TO 13N127W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC SUN AUG 16...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N75W TO 08N100W TO 07N117W. ITCZ
FROM 07N116W TO 08N135W. SCATTERED TO NUMEROUS MODERATE ISOLATED
STRONG FROM 02N TO 13N BETWEEN 77W AND 94W AND FROM 02N TO 09N
BETWEEN 94W AND 104W.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC AUG 16 2026.
24 HOUR FORECAST VALID 1200 UTC AUG 17 2026.
48 HOUR FORECAST VALID 1200 UTC AUG 18 2026.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM LALA NEAR 20.1N 158.1W 991 MB AT 1500 UTC AUG 16
MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM S
SEMICIRCLE...120 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 180 NM S SEMICIRCLE...240 NM NE QUADRANT AND
270 NM NW QUADRANT WITH SEAS TO 5.5 M. ISOLATED MODERATE TSTMS
WITHIN 90 NM E SEMICIRCLE OF CENTER.
.24 HOUR FORECAST TROPICAL STORM LALA NEAR 20.9N 162.8W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM S SEMICIRCLE...100 NM NE QUADRANT AND 60 NM NW
QUADRANT. SEAS 4 M OR GREATER FROM 20N TO 23N BETWEEN 162W AND
164W WITH SEAS TO 5.5 M. WINDS 20 TO 30 KT AND SEAS 2.5 TO 4 M
ELSEWHERE FROM 17N TO 26N BETWEEN 158W TO 167W.
.48 HOUR FORECAST TROPICAL STORM LALA NEAR 20.6N 167.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 20N TO
24N BETWEEN 165W AND 169W WITH SEAS TO 6 M. WINDS 20 TO 30 KT
AND SEAS 2.5 TO 4 M ELSEWHERE FROM 18N TO 26N BETWEEN 163 AND
172W.
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
.TROUGH 06N165W 04N166W 01N165W MOVING W 5 KT.
.24 HOUR FORECAST TROUGH 08N167W 02N168W.
.48 HOUR FORECAST TROUGH 07N165W 02N169W.
.24 HOUR FORECAST NEW LOW 17N142W. NEW TROUGH FROM 18N142W TO LOW
LOW TO 14N144W.
.48 HOUR FORECAST LOW 22N147W. TROUGH FROM LOW TO 19N147W.
.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 12N156W 10N160W 09N169W 06N179W. SCATTERED
MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.ITCZ 03N152W 04N146W 05N140W. ISOLATED MODERATE TSTMS WITHIN 150
NM
OF ITCZ.
.SCATTERED MODERATE TSTMS S OF LINE 09N154W 03N175W.
$$
.FORECASTER M BALLARD. HONOLULU HI.=