TCMEP2
POST-TROPICAL CYCLONE GENEVIEVE FORECAST/ADVISORY NUMBER 39
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072026
2100 UTC SUN AUG 02 2026
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 24.8N 139.5W AT 02/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 11 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 90NE 0SE 0SW 50NW.
4 M SEAS....120NE 30SE 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 24.8N 139.5W AT 02/2100Z
AT 02/1800Z CENTER WAS LOCATED NEAR 24.6N 138.9W
FORECAST VALID 03/0600Z 25.4N 141.0W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 03/1800Z 26.2N 142.9W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 04/0600Z 26.8N 144.2W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 04/1800Z 27.4N 145.0W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 05/0600Z 28.2N 145.6W...POST-TROP/REMNT LOW
MAX WIND 20 KT...GUSTS 30 KT.
FORECAST VALID 05/1800Z 28.7N 146.2W...POST-TROP/REMNT LOW
MAX WIND 20 KT...GUSTS 30 KT.
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 06/1800Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.8N 139.5W
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON GENEVIEVE. FOR ADDITIONAL INFORMATION ON THE REMNANT LOW
PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC.
$$
FORECASTER ADAMS/CANGIALOSI=
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN AUG 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 02.
24 HOUR FORECAST VALID 1200 UTC AUG 03.
48 HOUR FORECAST VALID 1200 UTC AUG 04.
.WARNINGS.
...GALE WARNING...
.FROM 32N TO 43N BETWEEN 122W AND 130W AREA OF NW TO N WINDS 25
TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST FROM 32N TO 45N BETWEEN 122W AND 131W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 45N TO
50N E OF 130W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 33N TO 55N BETWEEN 124W AND 135W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 60N178E 993 MB MOVING NE 15 KT AND
SECOND CENTER JUST W OF AREA 54N169E 1002 MB MOVING NE 25 KT.
WITHIN 420 NM SE SEMICIRCLE OF FIRST CENTER AND WITHIN 540 NM E
QUADRANT OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M...HIGHEST E OF SECOND CENTER. ELSEWHERE NW OF A LINE FROM
47N180W TO 57N160W TO 66N169W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMBINED LOW 63N172W 987 MB. WITHIN 300 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE NW OF A
LINE FROM 45N180W TO 53N160W TO 66N160W WINDS TO 25 KT. SEAS TO 3
M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 63N171W 992
MB. WITHIN THE BERING SEA N OF 53N W OF ALASKA WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M...HIGHEST S OF CENTER.
.SYNOPSIS AND FORECAST.
.COMPLEX LOW WITH MAIN CENTER 51N153W 1017 MB MOVING SE 20 KT.
FROM 38N TO 54N BETWEEN 131W AND 162W WINDS TO 25 KT. SEAS TO 3
M...HIGHEST SE OF CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 46N148W 1019
MB. WITHIN 180 NM EITHER SIDE OF A LINE FROM 40N150W TO 51N142W
AND ANOTHER LINE FROM 35N175W TO 40N160W WINDS TO 25 KT. SEAS TO
3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 42N148W 1018
MB. WITHIN 300 NM NE SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.S OF 36N W OF 172W AREA OF E WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST S OF 35N W OF 178W AREA OF E WINDS LESS THAN 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST S OF 39N W OF 161W AREA OF NE WINDS TO 25 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST NEW LOW NEAR 55N159W 1014 MB. WITHIN 240 NM SE
AND 660 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M...HIGHEST SW
OF CENTER.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 65N W OF
165W.
.24 HOUR FORECAST DENSE FOG N OF 63N W OF ALASKA...AND WITHIN 300
NM EITHER SIDE OF A LINE FROM 49N180W TO 57N156W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 55N173E TO 58N168W TO 66N171W...AND WITHIN 150 NM EITHER
SIDE OF A LINE FROM 46N180W TO 49N161W TO 59N152W.
.FORECASTER ANDERSON. 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 1200 UTC SUN AUG 2.
24 HOUR FORECAST VALID 1200 UTC MON AUG 3.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 4.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM GENEVIEVE NEAR 24.5N 138.4W 1006 MB AT 1500 UTC
AUG 02 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS
40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N
SEMICIRCLE...40 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 120 NM N SEMICIRCLE...60 NM SE QUADRANT AND 90
NM SW QUADRANT WITH SEAS TO 5 M. ELSEWHERE WITHIN 28N136W TO
29N140W TO 24N140W TO 24N139W TO 24N137W TO 26N136W TO 28N136W
WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN
27N134W TO 30N135W TO 30N140W TO 20N140W TO 21N137W TO 27N134W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 25.2N 140.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 26.0N 142.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. WITHIN
29N139W TO 30N140W TO 26N140W TO 27N139W TO 29N139W E TO SE WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE WELL W OF
AREA NEAR 26.7N 143.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40
KT. OVER FORECAST WATERS E OF 140W WINDS 20 KT OR LESS. SEAS LESS
THAN 2.5 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 11N86W TO 11N87W TO 11N89W TO 10N89W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.06 HOUR FORECAST WITHIN 30N122.5W TO 30N125.5W TO 29.5N124.5W
TO 29N123.5W TO 29.5N122.5W TO 30N122.5W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 30N120W TO 30N128W TO 28N125W TO
29N122W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 30N120W TO 30N131W TO 29N129W TO
28N127W TO 28N124W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC SUN AUG 2...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ONSOON TROUGH FROM 11N85W TO 09N110W TO 11N120W. ITCZ FROM
10N125W TO 07N135W TO 08N140W. NUMEROUS MODERATE TO ISOLATED
STRONG FROM 03N TO 10N BETWEEN 80W AND 90W. SCATTERED MODERATE
FROM 09N TO 15N BETWEEN 95W AND 115W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC AUG 02 2026.
24 HOUR FORECAST VALID 1200 UTC AUG 03 2026.
48 HOUR FORECAST VALID 1200 UTC AUG 04 2026.
.WARNINGS.
...GALE WARNING...
.12 HOUR FORECAST POST-TROPICAL LOW OF GENEVIEVE 1007 MB NEAR
25.2N 140.1W. WINDS 25 TO 35 KT WITHIN 180 NM N SEMICIRCLE OF LOW.
WINDS 20 TO 25 KT ELSEWHERE N OF 24N E OF 143W. SEAS 4 TO
5.5 M FROM 27N TO 25N E OF 142W. SEAS 2.5 TO 4 M ELSEWHERE N OF
22N E OF 144W.
.24 HOUR FORECAST POST-TROPICAL LOW OF GENEVIEVE 1009 MB NEAR
26.0N 142.2W. WINDS 20 TO 30 KT N OF 25N E OF 145W. SEAS 2.5 TO 4
M N OF 23N E OF 146W.
.48 HOUR FORECAST REMNANT LOW GENEVIEVE 1010 MB NEAR 27.3N
144.8W. WINDS 20 TO 25 KT N OF 26N BETWEEN 147W AND 141W. SEAS 2.5
TO 3 M N OF 26N BETWEEN 148W AND 141W.
.SYNOPSIS AND FORECAST
.TROUGH 30N179W 28N180W MOVING NW 10 KT. SEAS 2.5 TO 3 M N OF 28N
W OF 175W. SCATTERED MODERATE TSTMS FROM 29N TO 22N W OF 173W.
.24 HOUR FORECAST TROUGH AND ASSOCIATED SEAS MOVED W OF AREA.
.TROUGH 15N143W 09N146W 02N153W MOVING W 10 KT. ISOLATED MODERATE
TSTMS FROM WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N150W 04N154W.
.48 HOUR FORECAST TROUGH 09N158W 03N159W.
.LOW NEAR 06N165W 1010 MB AND TROUGH FROM 12N161W THROUGH LOW TO
03N170W. LOW AND TROUGH MOVING W SLOWLY. ISOLATED MODERATE TSTMS
FROM 13N TO 06N BETWEEN 170W AND 156W.
.24 HOUR FORECAST LOW NEAR 07N168W 1009 MB. TROUGH FROM 14N166W
THROUGH LOW TO 04N171W.
.48 HOUR FORECAST LOW WEAKENED TO TROUGH FROM 12N170W TO 05N175W.
.WINDS 20 TO 25 KT FROM 25N TO 15N BETWEEN 170W AND 153W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M E OF LINE 30N141W 27N160W 22N169W 11N167W
15N150W 21N148W 19N140W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 25N TO 11N BETWEEN 176W
AND 160W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M W OF LINE 27N180W 15N165W
11N172W 18N180W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 07N140W 08N142W.
.MONSOON TROUGH 09N180W 08N176W. ISOLATED MODERATE TSTMS FROM 12N
TO 05N W OF 175W.
.SCATTERED MODERATE TSTMS S OF 04N BETWEEN 160W AND 151W.
ISOLATED MODERATE TSTMS FROM 24N TO 22N BETWEEN 145W AND 143W...
FROM 21N TO 17N W OF 176W...AND FROM 22N TO 20N BETWEEN 173W AND
170W.
$$
.FORECASTER TROTTER. HONOLULU HI.=