050 
WTPA21 PHFO 300841
TCMCP1
 
HURRICANE IONA FORECAST/ADVISORY NUMBER  13
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC WED JUL 30 2025
 
HURRICANE CENTER LOCATED NEAR 11.3N 158.6W AT 30/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT  15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  973 MB
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT.
64 KT....... 20NE  15SE  10SW  20NW.
50 KT....... 40NE  35SE  25SW  35NW.
34 KT....... 80NE  60SE  50SW  80NW.
4 M SEAS....180NE  80SE  80SW 160NW.
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 11.3N 158.6W AT 30/0900Z
AT 30/0600Z CENTER WAS LOCATED NEAR 11.2N 157.8W
 
FORECAST VALID 30/1800Z 11.5N 161.0W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 10NE   0SE   0SW  10NW.
50 KT... 25NE  15SE  15SW  20NW.
34 KT... 70NE  50SE  40SW  60NW.
 
FORECAST VALID 31/0600Z 11.8N 164.5W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 20NE   0SE   0SW  15NW.
34 KT... 70NE  50SE  30SW  60NW.
 
FORECAST VALID 31/1800Z 12.2N 168.2W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW  15NW.
34 KT... 70NE  50SE  30SW  60NW.
 
FORECAST VALID 01/0600Z 12.9N 171.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW  15NW.
34 KT... 70NE  50SE  30SW  50NW.
 
FORECAST VALID 01/1800Z 13.7N 175.1W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW  15NW.
34 KT... 70NE  50SE  30SW  50NW.
 
FORECAST VALID 02/0600Z 14.5N 177.9W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW  15NW.
34 KT... 70NE  50SE  30SW  60NW.
 
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 03/0600Z 16.5N 177.3E
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  30SE  20SW  50NW.
 
OUTLOOK VALID 04/0600Z 18.8N 172.6E
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 60NE  30SE  20SW  40NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.3N 158.6W
 
NEXT ADVISORY AT 30/1500Z
 
$$
FORECASTER JELSEMA (CPHC)