TCMEP2
HURRICANE GENEVIEVE FORECAST/ADVISORY NUMBER 26
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072026
1500 UTC THU JUL 30 2026
HURRICANE CENTER LOCATED NEAR 20.6N 123.5W AT 30/1500Z
POSITION ACCURATE WITHIN 40 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 13 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 980 MB
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT....... 30NE 20SE 10SW 30NW.
50 KT....... 60NE 50SE 40SW 60NW.
34 KT.......100NE 100SE 80SW 110NW.
4 M SEAS....210NE 180SE 210SW 240NW.
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 20.6N 123.5W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 20.4N 122.9W
FORECAST VALID 31/0000Z 21.0N 125.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT... 90NE 90SE 70SW 100NW.
FORECAST VALID 31/1200Z 21.7N 128.1W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 20NE 10SE 10SW 20NW.
34 KT... 80NE 70SE 60SW 90NW.
FORECAST VALID 01/0000Z 22.5N 130.7W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 80NE 60SE 50SW 80NW.
FORECAST VALID 01/1200Z 23.3N 133.6W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 80NE 50SE 40SW 80NW.
FORECAST VALID 02/0000Z 24.2N 136.6W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 50SE 40SW 80NW.
FORECAST VALID 02/1200Z 25.1N 139.4W...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 70NE 40SE 30SW 70NW.
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 03/1200Z 27.2N 143.9W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 04/1200Z 30.2N 146.2W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N 123.5W
NEXT ADVISORY AT 30/2100Z
$$
FORECASTER ADAMS/BEVEN=
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC THU JUL 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 30.
24 HOUR FORECAST VALID 0600 UTC JUL 31.
48 HOUR FORECAST VALID 0600 UTC AUG 01.
.WARNINGS.
...GALE WARNING...
.LOW 53N139W 1000 MB NEARLY STATIONARY. WITHIN 180 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 240 NM N
AND E SEMICIRCLES AND FROM 40N TO 47N BETWEEN 147W AND 165W WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 52N141W 1002 MB. FROM 50N TO 57N E OF 131W
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN 240 NM N
SEMICIRCLE AND 360 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 51N139W 1008 MB. WITHIN 480 NM SW QUADRANT
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.FROM 35N TO 40N BETWEEN 117W AND 128W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 33N TO 40N BETWEEN 119W AND 128W WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 31N TO 40N BETWEEN 120W AND 125W WINDS TO
25 KT. SEAS TO 2.5 M.
.LOW W OF AREA NEAR 51N173E 1005 MB MOVING NE 20 KT. WITHIN 420
NM SE QUADRANT WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 54N176W 1005 MB. WITHIN 240 NM E AND 480 NM
S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 58N166W 1009 MB. FROM 44N TO 53N BETWEEN
155W AND 160W WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 50N W OF
163W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 56N W OF 165W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 58N BETWEEN 155W AND
165W.
.FORECASTER KREKELER. 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 0600 UTC THU JUL 30.
24 HOUR FORECAST VALID 0600 UTC FRI JUL 31.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 1.
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 20.2N 122.1W 973 MB AT 0900 UTC JUL 30
MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM OF CENTER
EXCEPT 90 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM W
SEMICIRCLE...210 NM NE QUADRANT AND 180 NM SE QUADRANT WITH SEAS
TO 10.5 M. ELSEWHERE...WITHIN 20N118W TO 24N122W TO 23N124W TO
20N125W TO 17N121W TO 18N118W TO 20N118W WINDS 20 TO 33 KT. SEAS
3.5 TO 4.0 M. REMAINDER OF AREA OVER FORECAST WATERS...WITHIN
22N114W TO 30N120W TO 30N140W TO 13N140W TO 12N126W TO 15N116W TO
22N114W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 21.5N 126.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 70 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE QUADRANT...150
NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NW QUADRANT WITH
SEAS TO 9.0 M. ELSEWHERE...WITHIN 22N123W TO 24N125W TO 25N130W
TO 20N129W TO 19N126W TO 20N124W TO 22N123W WINDS 20 TO 33 KT.
SEAS 3.5 TO 4.0 M. REMAINDER OF AREA OVER FORECAST
WATERS...WITHIN 23N120W TO 30N123W TO 30N140W TO 15N140W TO
16N123W TO 23N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 22.1N 129.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM ALL QUADRANTS...EXCEPT 60 NM SW QUADRANT. SEAS
4 M OR GREATER WITHIN 150 NM ALL QUADRANTS...EXCEPT 120 NM SE
QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE...WITHIN 25N128W TO
26N133W TO 22N132W TO 20N130W TO 20N126W TO 22N126W TO 25N128W
WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA OVER
FORECAST WATERS...WITHIN 29N126W TO 27N140W TO 15N140W TO
19N134W TO 18N126W TO 21N123W TO 29N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 22.9N 131.8W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM N SEMICIRCLE...70 NM SE QUADRANT AND 50 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM ALL QUADRANTS EXCEPT
90 NM SE QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE...WITHIN 25N129W
TO 26N130W TO 27N135W TO 26N138W TO 23N135W TO 22N129W TO 25N129W
WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA OVER
FORECAST WATERS...WITHIN 26N127W TO 29N131W TO 29N140W TO 21N140W
TO 18N133W TO 22N126W TO 26N127W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN MIXED SWELL.
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 11N88W TO 10N89W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 12N88W TO 11N90W TO
10N90W TO 10N88W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N88W TO 11N89W TO 10N88W TO 10N87W TO
11N86W TO 12N88W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0830 UTC THU JUL 30...
.HURRICANE GENEVIEVE...NUMEROUS MODERATE WITHIN 150 NM NE
SEMICIRCLE AND 30 NM SW SEMICIRCLE.
.TROPICAL WAVE AXIS ALONG 96W...SCATTERED MODERATE FROM 07N TO
14N BETWEEN 93W AND 102W.
.TROPICAL WAVE AXIS ALONG 109W...SCATTERED MODERATE ISOLATED
STRONG FROM 09N TO 18N BETWEEN 102W AND 112W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N82W TO 09N96W TO 13N114W.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC JUL 30 2026.
24 HOUR FORECAST VALID 0600 UTC JUL 31 2026.
48 HOUR FORECAST VALID 0600 UTC AUG 01 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 24N158W 1011 MB MOVING W 10 KT. TROUGH 27N156W TO LOW TO
21N159W. WINDS 20 TO 25 KT WITHIN 90 NM OF N SEMICIRCLE.
.24 HOUR FORECAST LOW 26N163W 1014 MB. TROUGH 28N163W TO LOW TO
22N161W. WINDS 20 TO 25 KT WITHIN 60 NM OF N SEMICIRCLE.
.48 HOUR FORECAST LOW WEAKENING TO TROUGH 30N169W 25N170W. WINDS
DECREASING TO 20 KT OR LESS.
.LOW 05N151W 1008 MB NEARLY STATIONARY.
.24 HOUR FORECAST LOW DISSIPATED.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 25N BETWEEN 160W
AND 145W.
.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 15N TO 25N BETWEEN 161W
AND 148W...AND FROM 24N TO 28N E OF 148W.
.WINDS 20 KT OR LESS OVER THE REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 15N OT 25N E OF 145W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 25N E OF 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M SUBSIDING TO 2.5 M OR LESS.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF THE FORECAST AREA.
.MONSOON TROUGH 08N180W 05N169W 05N160W 06N153W 05N145W 07N140W.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH BETWEEN 176W
AND 163W...AND FROM 00N TO 08N BETWEEN 163W AND 153W.
.SCATTERED MODERATE TSTMS N OF 26N W OF 178W.
$$
.FORECASTER PECHACEK. HONOLULU HI.=