Maui share of days with no DOH advisory anywhere on the island rose 36pp between 14-day windows
The share of days with no DOH advisory anywhere on Maui rose 36 percentage points (64% in the prior 14-day window vs. 100% in the latest 14-day window).
This is a posted-advisory history metric, not a direct bacteria test or swimming-safety finding. Check the Maui leaderboard, the individual beach page, and live DOH status for current context.
Big Island has remained mostly advisory-affected across both 14-day island-wide advisory-day windows (0% of days had no DOH advisory anywhere on the island in the latest window). 1 of our 7 tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day rainfall signal is wet (peak 87% chance of rain). Rain can increase runoff risk; check current DOH advisories and local conditions. See the Big Island leaderboard for the beach-by-beach ranking.
Maui is improving over the last 14 days (+36pp vs. the prior two weeks). 1 of our 6 tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day rainfall signal is wet (peak 91% chance of rain). Rain can increase runoff risk; check current DOH advisories and local conditions. See the Maui leaderboard for the beach-by-beach ranking.
Oʻahu has remained mostly advisory-affected across both 14-day island-wide advisory-day windows (0% of days had no DOH advisory anywhere on the island in the latest window). 5 of our 12 tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day rainfall signal is wet (peak 91% chance of rain). Rain can increase runoff risk; check current DOH advisories and local conditions. See the Oʻahu leaderboard for the beach-by-beach ranking.
Kauaʻi has remained mostly advisory-affected across both 14-day island-wide advisory-day windows (0% of days had no DOH advisory anywhere on the island in the latest window). All 6 of our tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day rainfall signal is wet (peak 76% chance of rain). Rain can increase runoff risk; check current DOH advisories and local conditions. See the Kauaʻi leaderboard for the beach-by-beach ranking.
These counts describe the recorded history. Check each beach's current status for active DOH advisories.
For the always-live per-island outlook, see our Hawaii Water Quality Forecast, which regenerates daily from NOAA + DOH data.
Choose an island for grouped emails about new and cleared DOH advisories. Daily water-quality reports remain available on this website. Free — unsubscribe anytime.