TCMCP1
TROPICAL STORM IONA FORECAST/ADVISORY NUMBER 22
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
1500 UTC FRI AUG 01 2025
TROPICAL STORM CENTER LOCATED NEAR 14.6N 176.3W AT 01/1500Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 18 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 50NE 0SE 0SW 40NW.
4 M SEAS....210NE 90SE 50SW 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 14.6N 176.3W AT 01/1500Z
AT 01/1200Z CENTER WAS LOCATED NEAR 14.4N 175.5W
FORECAST VALID 02/0000Z 15.4N 178.5W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 0SE 0SW 40NW.
FORECAST VALID 02/1200Z 16.6N 178.8E
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 0SE 0SW 40NW.
FORECAST VALID 03/0000Z 17.8N 176.5E
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 0SE 0SW 40NW.
FORECAST VALID 03/1200Z 19.0N 174.3E
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 04/0000Z 20.6N 172.1E
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 04/1200Z 22.5N 170.2E
MAX WIND 30 KT...GUSTS 40 KT.
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 05/1200Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.6N 176.3W
NEXT ADVISORY AT 01/2100Z
$$
FORECASTER BEVEN
TCMEP2
TROPICAL STORM GIL FORECAST/ADVISORY NUMBER 6
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072025
1500 UTC FRI AUG 01 2025
TROPICAL STORM CENTER LOCATED NEAR 15.3N 121.5W AT 01/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 14 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB
MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT.
50 KT....... 50NE 50SE 0SW 50NW.
34 KT.......120NE 120SE 90SW 90NW.
4 M SEAS....240NE 210SE 90SW 120NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 15.3N 121.5W AT 01/1500Z
AT 01/1200Z CENTER WAS LOCATED NEAR 14.9N 120.7W
FORECAST VALID 02/0000Z 16.1N 123.9W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 0SE 0SW 0NW.
50 KT... 60NE 50SE 20SW 60NW.
34 KT...130NE 130SE 90SW 100NW.
FORECAST VALID 02/1200Z 17.6N 127.1W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 0SE 0SW 0NW.
50 KT... 50NE 40SE 20SW 50NW.
34 KT...130NE 110SE 80SW 110NW.
FORECAST VALID 03/0000Z 19.0N 130.3W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT...120NE 90SE 70SW 100NW.
FORECAST VALID 03/1200Z 20.3N 133.6W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT...100NE 70SE 60SW 90NW.
FORECAST VALID 04/0000Z 21.4N 136.4W...POST-TROPICAL
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 80NE 0SE 0SW 70NW.
FORECAST VALID 04/1200Z 22.1N 139.0W...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 0SE 0SW 50NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 05/1200Z 23.0N 144.0W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
OUTLOOK VALID 06/1200Z 23.8N 149.0W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.3N 121.5W
NEXT ADVISORY AT 01/2100Z
$$
FORECASTER BUCCI=
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC FRI AUG 01 2025
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 N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0600 UTC AUG 01.
24 HOUR FORECAST VALID 0600 UTC AUG 02.
48 HOUR FORECAST VALID 0600 UTC AUG 03.
.WARNINGS.
...GALE WARNING...
.LOW 52N179E 980 MB MOVING N 10 KT. WITHIN 240 NM SE
QUADRANT...AND WITHIN 180 NM SW OF A LINE FROM 51N177E TO
53N173W...AND WITHIN 180 NM E AND SE OF A LINE FROM 51N174W TO
45N178W TO 40N179E WINDS 30 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE
FROM 40N TO 53N BETWEEN 169W AND 168E...AND WITHIN 240 NM NE
QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 57N179E 984 MB. BETWEEN 120 NM AND 360 NM S
SEMICIRCLE...AND BETWEEN 180 NM AND 420 NM N QUADRANT...AND FROM
47N TO ALEUTIAN ISLANDS BETWEEN 162W AND 172E WINDS TO 25 KT.
SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 56N180W 992 MB. WITHIN 240 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 38N174E 1003 MB MOVING NE 10 KT. WITHIN 180 NM SE AND 60 NM
NW SEMICIRCLES...AND WITHIN 120 NM SE AND S OF A LINE FROM
36N172E TO 32N168E TO 34N160E WINDS 20 TO 30 KT. SEAS TO 2.5 TO 4
M. ELSEWHERE S OF 40N W OF 175W WINDS LESS THAN 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST LOW 42N179W 1007 MB. WITHIN 180 NM SE...AND 90
NM NW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE
WITHIN 540 NM NW OF A LINE FROM 45N160W TO 38N173W WINDS TO 25
KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 51N160W 1009 MB. FROM 40N TO 51N BETWEEN
156W AND 175W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.WITHIN 90 NM OF THE COAST OF CALIFORNIA AND OREGON FROM 34N TO
43N WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 32N TO 41N BETWEEN 118W AND 126W WINDS 20
TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 33N TO 42N BETWEEN 119W AND 12W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST NEW LOW 34N172E 1009 MB. S OF 39N BETWEEN 179E
AND 171E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 36N177E 1010 MB. S OF 41N BETWEEN 176W AND
172E WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITH 480 NM NE OF A
LINE FROM 42N162W TO 56N174E.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM NE AND N OF A LINE FROM
57N170W TO 59N180W...AND FROM 45N TO 55N BETWEEN 156W AND
166W...AND N OF 55N W OF 166E.
.48 HOUR FORECAST DENSE FOG FROM 61N TO 63N W OF 168W...AND FROM
45N TO 50N BETWEEN 151W AND 173W...AND FROM 50N TO 53N W OF 179W.
.FORECASTER POCHE. 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 FRI AUG 1.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 2.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 3.
.WARNINGS.
...HURRICANE WARNING...
.TROPICAL STORM GIL NEAR 14.8N 120.1W 997 MB AT 0900 UTC AUG 01
MOVING WNW OR 300 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E
SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN
240 NM NE QUADRANT...210 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 7.5 M. ELSEWHERE
WITHIN 17N117W TO 18N122W TO 14N122W TO 11N119W TO 11N117W TO
14N116W TO 17N117W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.
REMAINDER AREA WITHIN 21N114W TO 17N124W TO 11N122W TO 06N129W TO
06N120W TO 11N112W TO 21N114W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE GIL NEAR 15.8N 122.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE GIL NEAR 17.3N 125.6W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 80 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...270
NM SE QUADRANT...150 NM SW QUADRANT...AND 180 NM NW QUADRANT
WITH SEAS TO 10.0 M. ELSEWHERE WITHIN 19N122W TO 21N128W TO
17N128W TO 16N125W TO 14N123W TO 15N121W TO 19N122W WINDS 20 TO
33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 18N115W TO
24N117W TO 25N129W TO 12N128W TO 06N129W TO 09N119W TO 18N115W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GIL NEAR 20.1N 132.2W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...70 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270
NM NE QUADRANT...240 NM SE QUADRANT...150 NM SW QUADRANT...AND
180 NM NW QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 22N129W
TO 23N134W TO 20N135W TO 18N133W TO 18N131W TO 21N129W TO 22N129W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN
26N127W TO 26N140W TO 13N140W TO 12N134W TO 06N130W TO 18N124W TO
26N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 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 12N86W TO 11N87W TO 10N88W TO 10N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 19N129W TO 22N131W TO 21N140W TO 11N140W TO 14N134W TO
19N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 24N131W TO 24N140W TO 13N140W TO
15N132W TO 24N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.
.24 HOUR FORECAST WITHIN 01S83W TO 01S86W TO 02S92W TO 03.4S97W
TO 03.4S81W TO 01S83W...INCLUDING THE GULF OF GUAYAQUIL AND
EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 01N112W TO 03N118W TO 00N128W TO
03.4S120W TO 03.4S80W TO 01N112W...INCLUDING THE GULF OF
GUAYAQUIL AND EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0850 UTC FRI AUG 1...
.T.S. GIL...SCATTERED TO NUMEROUS MODERATE TO STRONG FROM 13N TO
17N BETWEEN 118W AND 121W. SCATTERED MODERATE ISOLATED STRONG
ELSEWHERE FROM 10N TO 18N BETWEEN 115W AND 125W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N102W TO 10N109W. IT RESUMES
FROM 10N123W TO 06N140W. SCATTERED MODERATE FROM 04N TO 10N
BETWEEN 85W AND 90W. SCATTERED MODERATE ISOLATED STRONG FROM 04N
TO 15N BETWEEN 92W AND 109W...AND FROM 04N TO 10N BETWEEN 122W
AND 131W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC AUG 01 2025.
24 HOUR FORECAST VALID 0600 UTC AUG 02 2025.
48 HOUR FORECAST VALID 0600 UTC AUG 03 2025.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM IONA NEAR 14.0N 174.4W 1003 MB AT 0600 UTC AUG 01
MOVING WNW OR 285 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS
50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT AND 40
NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE.
SEAS 2.5 TO 4 M ELSEWHERE FROM 10N TO 22N BETWEEN 175W AND 160W.
WINDS 20 TO 33 KT ELSEWHERE FROM 10N TO 20N BETWEEN 175W AND 168W.
.24 HOUR FORECAST TROPICAL STORM IONA NEAR 15.8N 179.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. SEAS 4 M OR GREATER WITHIN 30
NM OF CENTER. SEAS 2.5 M TO 4 M ELSEWHERE FROM 15N TO 22N BETWEEN
180W AND 170W. WINDS 20 TO 33 KT ELSEWHERE FROM 15N TO 20N BETWEEN
180W AND 175W. .48 HOUR FORECAST TROPICAL STORM IONA NEAR 18.1N
175.7E. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. SEAS 2.5 M TO 4
M FROM 18N TO 24N BETWEEN 173E AND 180W. WINDS 20 TO 33 KT
ELSEWHERE FROM 15N TO 20N BETWEEN 175E AND 180W.
SEE BULLETIN TCMCP1 ISSUED BY CPHC FOR MORE INFORMATION
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.
.LOW 12N153W 1011MB MOVING W 10 KT. TROUGH NEAR 11N148W 10N152W
08N152W. MOVING W 10 KT. WINDS 20 TO 25 KT FROM 11N TO 15N BETWEEN
155W AND 150W. SEAS 2.5 TO 3 M FROM 10N TO 20N BETWEEN 160W AND
145W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF LOW.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 12N58W 08N160W MOVING W
SLOWLY. WINDS 20 TO 25 KT FROM 11N TO 15N BETWEEN 162W AND 157W.
SEAS 2.5 TO 3 M FROM 10N TO 15N BETWEEN 163W AND 155W.
.48 HOUR FORECAST TROUGH 11N163W 08N165W. WINDS 20 TO 25 KT FROM
10N TO 14N BETWEEN 165W AND 160W.
.24 HOUR FORECAST NEW TROUGH 30N169E 26N164E. SEAS 2.5 TO 3 M N
OF 28N BETWEEN 170E AND 174E.
.48 HOUR FORECAST TROUGH 30N170E 24N163E. SEAS DISSIPATED TO 2.5
M OR LESS.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.ITCZ 07N140W 08N147W...AND 08N155W 06N180W 06N162E. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 155W.
.ISOLATED MODERATE TSTMS FROM 10N TO 16N W OF 166E... AND N OF 25N
BETWEEN 180W AND 172W... AND N OF 28N BETWEEN 164E AND 167E.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=