Welcome to Pilau Kai – Your Premier Source for Ocean Water Quality Alerts in the Hawaiian Islands

Discover the beauty of Hawaii while staying informed about the quality of its ocean waters with Pilau Kai. We provide real-time, accurate, and comprehensive alerts to ensure you can enjoy the stunning beaches and pristine waters of the Hawaiian Islands safely.

High Bacteria Count Notification at Onekahakaha Beach (Shoreline), Hawai‘i

First Detected: 12/10/2025

Sign Removed: 12/10/2025

High Bacteria Count Advisory at Cove Park, Maui

First Detected: 11/22/2025

Sign Removed: 11/25/2025

Unpermitted Wastewater Discharge at Kaneohe Marine Corps Base Hawaii Wastewater Treatment Plant, O‘ahu

First Detected: 11/19/2025

Sign Removed: 11/23/2025

High Bacteria Count Advisory at Fleming Beach (North), Maui

First Detected: 11/14/2025

Sign Removed: 11/18/2025

High Bacteria Count Advisory at Airport (Kahekili) Beach, Maui

First Detected: 11/14/2025

Sign Removed: 11/18/2025

High Bacteria Count Notification at Kamaole Beach #3, Maui

First Detected: 11/14/2025

Sign Removed: 11/14/2025

Brown Water Advisory for the North Shore from Waihe'e to Kahului Harbor, Maui

First Detected: 11/13/2025

Sign Removed: 12/02/2025

Brown Water Advisory at Hilo bay and up along the Hamakua coast, Hawai‘i

First Detected: 11/10/2025

Sign Removed: 12/02/2025

High Bacteria Count Notification at Sandy Beach Pt. 1, O‘ahu

First Detected: 11/06/2025

Sign Removed: 11/06/2025

High Bacteria Count Notification at Lanikai Beach Shoreline, O‘ahu

First Detected: 10/23/2025

Sign Removed: 10/24/2025

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