🌊 Hawaii Floods — March 16-23, 2026
WFO: HFO · All Hawaiian Islands
33
Warnings
77
Gauges
18
Reports
32
Rd Closures
Big Island: 3Maui: 2Oahu: 1
Alert Breakdown
12 Flash Flood Warnings   21 Flood Advisories   0 Flood Watches
Stream Gauges — 15 extreme, 37 elevated
85.3 ft Wahiawa Reservoir at Spillw...
47.0 ft Upper Helemano Reservoir ne...
45.7 ft Ku Tree Reservoir near Wahi...
35.9 ft Helemano 6 Reservoir, Oahu, HI
34.9 ft Kaukonahua Str at Waialua, ...
20.9 ft Kaukonahua Stream blw Wahia...
20.3 ft Waikele Str at Wheeler Fiel...
19.2 ft Kaneohe Str blw Kamehameha ...
... and 69 more gauges
⛔ Road Closures (32)
Haleiwa: Emergency management reported that the town of ...
2 ESE Waimanalo: Road closed in both directions due to flooding.
2 WNW Makaha Valley: Road closed both directions due to extreme floo...
7 ESE Kaunakakai: Road closure at Kamehameha V Hwy at Mile Post 7...
1 ESE Kaunakakai: Kamehameha V Hwy closed from Kapaakea Loop east...
1 NNW Kahului: Wakea Ave/ Hoohana St. closed due to flooding.
... and 26 more closures
🏛 FEMA Disaster Declarations
No declarations found (check pending)
Data Sources
NWS Alerts API · IEM SBW Archive · IEM LSR · USGS NWIS
Legend
Flash Flood Warning (FF.W)
Flood Advisory (FA.Y)
Flood Watch (FL.A)
Gauge: Extreme / Above Flood
Gauge: Elevated / Above Action
Gauge: Normal
Local Storm Report
Road Closure
Hawaii Floods — March 16-23, 2026
NWS Warnings + USGS Gauges + Storm Reports + Road Closures