At 800 PM HST (0600 UTC), the center of Tropical Storm Darby was
located near latitude 18.7 North, longitude 152.6 West. Darby is
moving toward the west near 12 mph (19 km/h). Darby’s forward
motion is expected to slow slightly Saturday followed by a turn
toward the northwest Saturday night. On the forecast track, the
center of Darby is forecast to pass over or near the Big Island on
Saturday, and Maui on Saturday night.
Maximum sustained winds are near 60 mph (95 km/h) with higher gusts.
Some weakening is forecast during the next 48 hours.
Tropical-storm-force winds extend outward up to 125 miles (205 km)
from the center.
The estimated minimum central pressure is 1001 mb (29.56 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm force winds are expected over the Big Island
starting late tonight, and over portions of Maui County on
Saturday. Tropical storm force winds are possible over Oahu
Saturday night or Sunday.
SURF: Swells generated by Darby are expected to impact the
Hawaiian Islands over the next couple of days.
RAINFALL: Storm total rainfall of 10 to 15 inches with locally
higher amounts…could cause life-threatening flash floods as well
Next complete advisory at 1100 PM HST.