433  
WTPZ41 KNHC 061036  
TCDEP1  
 
HURRICANE KIKO DISCUSSION NUMBER 25  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP112025  
1100 PM HST FRI SEP 05 2025  
 
KIKO HAS HELD STEADY THIS EVENING WITH ONLY MINOR FLUCTUATIONS IN  
INTENSITY, MAINTAINING ITS CATEGORY 4 STRENGTH ON THE SAFFIR-SIMPSON  
HURRICANE WIND SCALE. THE EYE REMAINS WELL-DEFINED AND IS MOSTLY  
SURROUNDED BY A SUFFICIENTLY LARGE LIGHT GRAY SHADE ON THE DVORAK BD  
CURVE, WITH OCCASIONAL HINTS OF AN EVEN STRONGER PATTERN WHEN A  
NEARLY SUFFICIENTLY LARGE BLACK SHADE SURROUNDS THE EYE. THE  
LATEST SUBJECTIVE DVORAK CURRENT INTENSITIES VARIED, WITH TAFB AT  
6.5/127 KT, AND SAB AND HFO BOTH AT 6.0/115 KT. OBJECTIVE ESTIMATES  
FROM UW-CIMSS RANGED BETWEEN 115 AND 122 KT. BLENDING THE SUBJECTIVE  
AND OBJECTIVE DATA SUPPORTS HOLDING THE INITIAL INTENSITY AT 120 KT  
FOR THIS ADVISORY.  
 
KIKO CONTINUES TO MOVE WEST-NORTHWESTWARD, OR 285 DEGREES AT 9 KT,  
AND WILL ENTER THE CENTRAL PACIFIC BASIN WITHIN A FEW HOURS. THE  
CYCLONE REMAINS STEERED BY THE SOUTHWESTERN FLANK OF A SUBTROPICAL  
RIDGE, WHILE AN UPPER-LEVEL LOW NORTH OF HAWAII CONTINUES TO  
GRADUALLY ERODE THE RIDGE’S WESTERN PERIPHERY. THIS GENERAL MOTION  
IS EXPECTED TO PERSIST THROUGH THE WEEKEND. BY EARLY TO MID NEXT  
WEEK (DAYS 3 TO 5), IT IS EXPECTED TO TURN SLIGHTLY MORE WESTWARD  
UNDER INCREASING INFLUENCE FROM THE LOW-LEVEL STEERING FLOW, KEEPING  
THE CENTER NORTH OF THE MAIN HAWAIIAN ISLANDS. THE LATEST FORECAST  
TRACK LIES SLIGHTLY TO THE RIGHT OF THE PREVIOUS NHC FORECAST AND  
REPRESENTS A BLEND BETWEEN THAT SOLUTION AND THE CONSENSUS AIDS.  
 
KIKO IS EXPECTED TO MAINTAIN ITS MAJOR HURRICANE INTENSITY THROUGH  
SATURDAY WHILE TRAVERSING WATERS NEAR 26 C AND UNDER MINIMAL SHEAR.  
ITS ANNULAR STRUCTURE SHOULD ALLOW THE SYSTEM TO RESIST WEAKENING  
LONGER THAN TYPICALLY OBSERVED, EVEN AS IT BEGINS TO MOVE OVER  
COOLER WATERS. BY LATE THIS WEEKEND, KIKO WILL ENCOUNTER  
PROGRESSIVELY COOLER WATERS AND STEADILY INCREASING  
WEST-SOUTHWESTERLY SHEAR, WHICH SHOULD INDUCE WEAKENING AT A MORE  
RAPID RATE AS IT BEGINS TO APPROACH THE HAWAIIAN ISLANDS. THE  
OFFICIAL INTENSITY FORECAST HOLDS KIKO ABOVE MUCH OF THE GUIDANCE  
THROUGH THE FIRST HALF OF THE WEEKEND, BEFORE TRENDING CLOSER TO THE  
CONSENSUS AIDS LATE IN THE WEEKEND AND EARLY NEXT WEEK.  
 
FUTURE INFORMATION ON KIKO CAN BE FOUND UNDER CENTRAL PACIFIC BASIN  
HEADERS BEGINNING AT 500 AM HST. FUTURE TROPICAL CYCLONE  
DISCUSSIONS WILL BE ISSUED UNDER AWIPS HEADER HFOTCDCP4 AND WMO  
HEADER WTPA44 PHFO. PRODUCTS WILL CONTINUE TO BE AVAILABLE ON THE  
WEB AT HURRICANES.GOV.  
 
KEY MESSAGES:  
 
1. KIKO IS FORECAST TO APPROACH THE HAWAIIAN ISLANDS DURING THE  
EARLY TO THE MIDDLE PORTION OF NEXT WEEK. IMPACTS FROM RAIN AND WIND  
REMAIN A POSSIBILITY, BUT IT IS TOO SOON TO DETERMINE THE EXACT  
LOCATION OR MAGNITUDE OF THESE IMPACTS, AND INTERESTS THERE SHOULD  
CONTINUE TO MONITOR THE PROGRESS OF THIS STORM.  
 
2. SWELLS GENERATED BY KIKO ARE EXPECTED TO BEGIN REACHING THE BIG  
ISLAND AND MAUI BY SUNDAY. THESE SWELLS WILL GRADUALLY BUILD AND ARE  
FORECAST TO PEAK ALONG EAST FACING EXPOSURES OF THE HAWAIIAN ISLANDS  
LATE MONDAY THROUGH MIDWEEK, POTENTIALLY PRODUCING LIFE-THREATENING  
SURF AND RIP CURRENTS. LISTEN FOR LATER ADVISORIES AND POSSIBLE  
WARNINGS FROM THE NATIONAL WEATHER SERVICE.  
 
 
 
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 06/0900Z 15.1N 139.7W 120 KT 140 MPH  
12H 06/1800Z 15.7N 141.0W 120 KT 140 MPH  
24H 07/0600Z 16.5N 142.9W 115 KT 130 MPH  
36H 07/1800Z 17.4N 144.9W 110 KT 125 MPH  
48H 08/0600Z 18.5N 146.9W 100 KT 115 MPH  
60H 08/1800Z 19.6N 149.0W 90 KT 105 MPH  
72H 09/0600Z 21.0N 151.2W 75 KT 85 MPH  
96H 10/0600Z 23.1N 155.9W 50 KT 60 MPH  
120H 11/0600Z 24.9N 160.9W 35 KT 40 MPH  
 

 
FORECASTER GIBBS (CPHC)  
 
 
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