Full Breakdown
Rockfall Closes Kamehameha Highway at Waimea Bay Amid Severe Weather
4/12/2026, 12:58:40 AM
Incident Overview
On Friday, April 10, 2026, at approximately 1:30 p.m., two large boulders fell from a slope onto Kamehameha Highway in Waimea Bay, leading to a complete closure of the roadway. The rockfall occurred during a period of heavy rain affecting Oahu, which has raised concerns about flooding and additional road hazards. The Hawaii Department of Transportation (HDOT) confirmed that no injuries were reported as a result of the incident.
Response and Mitigation Efforts
Following the rockfall, HDOT crews initiated slope assessments and mitigation work to evaluate the stability of the area. State Transportation Director Ed Sniffen stated that crews are actively clearing debris and assessing the potential for further rockfalls. The work includes placing steel plates on the highway to protect a waterline, removing loose material from the slope, and breaking up the fallen boulders for removal. The highway is expected to reopen by Saturday afternoon, although it may initially allow only one lane of traffic due to ongoing concerns about rock stability.
Weather Conditions and Impact
The rockfall coincided with severe weather conditions across the islands, with the First Alert Weather Team declaring Friday and Sunday as First Alert Weather Days. Oahu has experienced significant rainfall, with over 14 inches recorded at Nu‘uanu Pali since Tuesday. The heavy rain has contributed to the destabilization of the steep cliffs above the highway, which is known for its vulnerability to landslides during such weather events. Kamehameha Highway serves as a crucial 56-mile corridor connecting Honolulu to the North Shore, making its closure impactful for both residents and tourists.
Criticism & Opposition
While no injuries were reported, the incident has raised concerns about the ongoing safety of Kamehameha Highway, particularly during adverse weather conditions. Critics argue that the frequency of rockfalls and landslides in the area highlights the need for more robust infrastructure and preventive measures to protect the highway and its users.
Official Statements & Responses
HDOT officials have assured the public that they are taking necessary precautions to ensure safety during the cleanup and assessment process. "We have crews up in the mountain now," stated Ed Sniffen, emphasizing the urgency of the situation and the importance of thorough evaluations to prevent future incidents.
Conflicting Reports & Gaps
There are no conflicting reports regarding the occurrence of the rockfall or the response efforts. However, ongoing assessments may reveal additional risks or require extended closures, which have not yet been fully detailed.
Verbatim Quotes
- “We have crews up in the mountain now,” — Ed Sniffen, State Transportation Director
- “SEE IT: GUSHING LAVA FOUNTAINS FROM MOUNT KILAUEA VOLCANO AMID 44TH ERUPTION However, near Waimea Bay, the highway is particularly vulnerable to hazardous conditions.” — HDOT Statement
As the situation develops, further updates will be provided by the Hawaii Department of Transportation regarding the status of Kamehameha Highway and any additional safety measures being implemented.
