Kauaʻi share of days without any island-wide DOH advisory fell 43pp between 14-day windows
The share of days with no DOH advisory anywhere on Kauaʻi fell 43 percentage points (43% in the prior 14-day window vs. 0% in the latest 14-day window).
This is a posted-advisory history metric, not a direct bacteria test or swimming-safety finding. Check the Kauaʻi leaderboard, the individual beach page, and live DOH status for current context.
Big Island has remained mostly advisory-free across both 14-day island-wide advisory-day windows (93% of days had no DOH advisory anywhere on the island in the latest window). 0 of our 7 tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day forecast is wet (peak 64% chance of rain) — expect the pattern to shift toward more advisories. 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 forecast is wet (peak 60% chance of rain) — expect the pattern to shift toward more advisories. 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). 1 of our 12 tracked beaches on the island recorded one or more advisory days in that 30-day history window. NOAA's 7-day forecast is wet (peak 68% chance of rain) — expect the pattern to shift toward more advisories. See the Oʻahu leaderboard for the beach-by-beach ranking.
Kauaʻi is worsening over the last 14 days (-43pp vs. the prior two weeks). Our 6 tracked beaches happen not to overlap with the DOH advisories driving this signal — the worsening trend is from island-wide or other-area advisory events. NOAA's 7-day forecast is wet (peak 70% chance of rain) — expect the pattern to shift toward more advisories. See the Kauaʻi leaderboard for the beach-by-beach ranking.
For the always-live per-island outlook, see our Hawaii Water Quality Forecast, which regenerates daily from NOAA + DOH data.
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