TCMEP4
TROPICAL STORM ISELLE FORECAST/ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL EP092026
0300 UTC MON AUG 24 2026
TROPICAL STORM CENTER LOCATED NEAR 17.1N 115.3W AT 24/0300Z
POSITION ACCURATE WITHIN 40 NM
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 10 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT.......100NE 100SE 110SW 0NW.
4 M SEAS....210NE 150SE 75SW 90NW.
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 17.1N 115.3W AT 24/0300Z
AT 24/0000Z CENTER WAS LOCATED NEAR 16.8N 114.9W
FORECAST VALID 24/1200Z 18.1N 116.4W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 25NE 20SE 0SW 0NW.
34 KT...110NE 100SE 90SW 40NW.
FORECAST VALID 25/0000Z 19.4N 117.8W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 0SW 0NW.
34 KT...110NE 130SE 90SW 60NW.
FORECAST VALID 25/1200Z 20.4N 119.6W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 40NE 30SE 0SW 30NW.
34 KT...120NE 120SE 80SW 70NW.
FORECAST VALID 26/0000Z 21.0N 121.4W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 0SW 40NW.
34 KT...120NE 100SE 60SW 70NW.
FORECAST VALID 26/1200Z 21.5N 123.1W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 40NE 30SE 0SW 30NW.
34 KT... 80NE 60SE 40SW 60NW.
FORECAST VALID 27/0000Z 21.9N 125.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 80NE 30SE 30SW 60NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 28/0000Z 22.8N 128.8W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 30NE 0SE 0SW 40NW.
OUTLOOK VALID 29/0000Z 23.6N 132.5W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.1N 115.3W
NEXT ADVISORY AT 24/0900Z
$$
FORECASTER KATZ/CANGIALOSI
TCMCP3
TROPICAL DEPRESSION MOKE FORECAST/ADVISORY NUMBER 15
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP022026
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0300 UTC MON AUG 24 2026
TROPICAL DEPRESSION CENTER LOCATED NEAR 15.3N 157.3W AT 24/0300Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 12 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
4 M SEAS....120NE 0SE 75SW 120NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 15.3N 157.3W AT 24/0300Z
AT 24/0000Z CENTER WAS LOCATED NEAR 15.2N 156.7W
FORECAST VALID 24/1200Z 15.4N 159.2W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 25/0000Z 15.8N 161.8W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 25/1200Z 16.3N 164.3W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 26/0000Z 16.8N 167.0W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 26/1200Z 17.3N 169.6W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 27/0000Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.3N 157.3W
NEXT ADVISORY AT 24/0900Z
$$
FORECASTER BEVEN
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 28/0000Z 38.2N 179.5E...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 70NE 60SE 0SW 40NW.
OUTLOOK VALID 29/0000Z 39.8N 177.9E...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.1N 174.7W
NEXT ADVISORY AT 24/0900Z
$$
FORECASTER CANGIALOSI
// END PART 02/02 //
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC MON AUG 24 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 0000 UTC AUG 24.
24 HOUR FORECAST VALID 0000 UTC AUG 25.
48 HOUR FORECAST VALID 0000 UTC AUG 26.
.WARNINGS.
.TROPICAL STORM LALA NEAR 33.1N 174.7W 988 MB AT 0300 UTC AUG 24
MOVING NW OR 325 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...130 NM SE QUADRANT...70 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE AND SW
QUADRANTS...330 NM NW QUADRANT AND 180 NM SE QUADRANT WITH SEAS
TO 7 M. ELSEWHERE FROM 30N TO 38N W OF 168W WINDS 20 TO 33 KT
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST TROPICAL STORM LALA NEAR 34.3N 175.8W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 60 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N AND 150 NM S
SEMICIRCLES WITH SEAS TO 7 M. ELSEWHERE FROM 30N TO 38N W OF 170W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST TROPICAL STORM LALA NEAR 35.4N 177.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 60 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM N AND 150 NM S
SEMICIRCLES WITH SEAS TO 6.5 M. ELSEWHERE FROM 32N TO 38N W OF
172W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.LOW JUST W OF THE AREA 62N179W 992 MB MOVING NE 20 KT. WITHIN
360 NM NE AND 420 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M. ELSEWHERE WITHIN 840 NM S QUADRANT WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST LOW N OF THE AREA 70N165W. IN THE BERING SEA N
OF 65N E OF 180W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW WELL N OF THE AREA WITH A NEW LOW TO FORM
NEAR 58N151W 1014 MB. WITHIN 420 NM S AND 660 NM SW QUADRANTS
WINDS TO 25 KT. SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.LOW 55N143W 1006 MB MOVING SE 10 KT. BETWEEN 180 NM AND 480 NM
SE AND WITHIN 300 NM SW AND NW QUADRANTS WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST LOW 51N138W 1014 MB. FROM 50N TO 60N BETWEEN
140W AND 160W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 47N135W
DESCRIBED BELOW.
.LOW 43N141W 1013 MB MOVING NE 10 KT. FROM 40N TO 50N BETWEEN
134W AND 152W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 43N138W 1014 MB. FROM 40N TO 50N BETWEEN
131W AND 150W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 47N135W 1010 MB. WITHIN 660 NM W SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.FROM 32N TO 38N E OF 125W AREA OF NW WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 52N W OF
178W...IN THE BERING SEA N OF 52N W OF 173W AND FROM 51N TO 55N
BETWEEN 130W AND 137W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 52N W OF 175W AND IN THE
BERING SEA WITHIN 240 NM W AND NW OF A LINE FROM 52N173W TO
57N165W AND WITHIN 240 NM NW AND N OF A LINE FROM 57N165W TO
59N159W.
.48 HOUR FORECAST DENSE FOG FROM 49N TO 52N W OF 170W.
.FORECASTER FUTTERMAN. 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 0000 UTC MON AUG 24.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 25.
48 HOUR FORECAST VALID 0000 UTC WED AUG 26.
.WARNINGS.
...HURRICANE WARNING...
.TROPICAL STORM ISELLE NEAR 17.1N 115.3W 999 MB AT 0300 UTC AUG
24 MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE...110 NM SW QUADRANT AND 0 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 210 NM NE QUADRANT...150 NM SE QUADRANT...75 NM
SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 5.5 M. WITHIN
21N111W TO 22N114W TO 18N119W TO 13N118W TO 13N114W TO 17N110W TO
21N111W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 19.4N 117.8W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...130 NM SE QUADRANT...90 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180
NM
E SEMICIRCLE...120 NM SW QUADRANT AND 90 NM NW QUADRANT WITH
SEAS TO
6.0 M. WITHIN 21N112W TO 25N114W TO 24N118W TO 21N122W TO
18N123W TO 15N115W TO 21N112W SE WINDS 20 TO 33 KT. SEAS 2.5 TO
4.5 M. WITHIN 14N116W TO 16N116W TO 15N120W TO 14N121W TO 11N120W
TO 11N117W TO 14N116W S TO SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.36 HOUR FORECAST HURRICANE ISELLE NEAR 20.4N 119.6W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 21.0N 121.4W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM E SEMICIRCLE...AND 120 NM W SEMICIRCLE OF CENTER WITH SEAS TO
7.0 M. WITHIN 23N115W TO 26N117W TO 26N124W TO 21N126W TO
16N120W TO 17N116W TO 23N115W E TO SE WINDS 20 TO 33 KT. SEAS
2.5 TO 4.5 M. WITHIN 12N123W TO 11N125W TO 10N124W TO 10N123W TO
11N122W TO 12N123W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
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.
.WITHIN 12N87W TO 11N89W TO 10N89W TO 10N88W TO 11N86W TO
12N87W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N88W TO 10N87W TO
10N86W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N88W TO 10N87W
TO 10N86W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.WITHIN 16N94W TO 16N95W TO 15N95W TO 16N94W...INCLUDING THE
GULF OF TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0350 UTC MON AUG 24...
.TROPICAL STORM ISELLE...NUMEROUS MODERATE TO STRONG FROM 11N TO
20N BETWEEN 112W AND 120W.
.TROPICAL WAVE NEAR 89W...SCATTERED MODERATE TO ISOLATED STRONG
FROM 03N TO 16N E OF 98W.
.TROPICAL WAVE NEAR 102W...SCATTERED MODERATE TO ISOLATED STRONG
FROM 08N TO 19N BETWEEN 93W AND 107W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N84W TO 12N110W THEN CONTINUES
SW OF ISELLE FROM 12N120W TO 08N130W TO BEYOND 07N140W. SCATTERED
MODERATE TO ISOLATED STRONG FROM 01N TO 12N W OF 125W.
$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC AUG 24 2026.
24 HOUR FORECAST VALID 0000 UTC AUG 25 2026.
48 HOUR FORECAST VALID 0000 UTC AUG 26 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.TROPICAL DEPRESSION MOKE NEAR 15N157W 1003 MB MOVING W 12 KT.
WINDS 20 TO 30 KT WITHIN 210 NM OF N SEMICIRCLE. SEAS 2.5 TO 4 M
WITHIN 300 NM OF CENTER.
.24 HOUR FORECAST TROPICAL DEPRESSION 16N162W 1007 MB. WINDS
20 TO 30 KT WITHIN 120 NM OF N SEMICIRCLE. SEAS 2.5 TO 3.5 M
WITHIN 240 NM OF CENTER.
.48 HOUR FORECAST REMNANT LOW 17N167W 1009 MB. WINDS 20 TO 25 KT
WITHIN 90 NM OF N SEMICIRCLE. SEAS 2.5 TO 3 M WITHIN 210 NM OF
CENTER.
.LOW 1010 MB 05N174W MOVING NW 5 KT.
.24 HOUR FORECAST LOW 06N174W 1011 MB.
.48 HOUR FORECAST LOW 06N175W 1010 MB.
.TROUGH 30N150W 27N151W 24N157W MOVING W 5 KT.
.24 HOUR FORECAST TROUGH 30N153W 25N158W.
.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 00N TO 08N W OF 175W...AND FROM 00N TO 08N
BETWEEN 158W AND 148W.
.ISOLATED MODERATE TSTMS FROM 25N TO 30N BETWEEN 172W AND
166W...AND FROM 10N TO 17N BETWEEN 157W AND 148W.
$$
.FORECASTER PECHACEK. HONOLULU HI.=