449
FNUS70 PHFO 122215
FWSHFO
SPOT FORECAST FOR IRONMAN TRIATHLON WORLD CHAMPIONSHIPS...HAWAII COUNTY CIVIL DEFENSE AGENCY
NATIONAL WEATHER SERVICE HONOLULU HI
1215 PM HST MON OCT 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 1500 HST ON OCTOBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CLOUD AND SHOWER BUILDUPS ARE EXPECTED THIS AFTERNOON OVER THE
KONA SLOPES WITH DAYTIME SEA BREEZES, THEN DECREASE DURING THE
EVENING WITH LAND BREEZES. A FEW OF THESE SHOWERS COULD MAKE IT DOWN
TO THE COAST, BUT MOST SHOULD STAY UPSLOPE. A PASSING WEAK
TROUGH COULD ALLOW SOME SHOWERS TO BE ON THE HEAVIER SIDE THIS
AFTERNOON. SHOWERS SHOULD THEN BECOME MORE ISOLATED BY
TUESDAY INTO THE WEEK AS MORE STABLE CONDITIONS TAKE HOLD.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........55 PERCENT.
SURFACE WINDS (MPH).WEST WINDS 5 TO 10 MPH.
TRANSPORT WINDS.....WEST AROUND 7 MPH.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........80 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS.
TRANSPORT WINDS.....SOUTH AROUND 4 MPH.
TUESDAY
SKY/WEATHER.........SUNNY. ISOLATED SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........55 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 6 TO 8 MPH IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 6 MPH.
FORECASTER...TSAMOUS
REQUESTED BY...TOM OLSON
TYPE OF REQUEST...OTHER
.TAG 2623462.4/HFO
.DELDT 10/12/26
.FORMATTERVERSION 2.0.0
.EMAIL SEAN.P.MILLER@NOAA.GOV,THOMAS.OLSON@HAWAIICOUNTY.GOV,JOHN.BERTSCH@IRONMAN.COM,STACEY.AGUIAR@IRONMAN.COM
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