Maui water quality is worsening (-79pp in 14 days)
Maui ocean water quality worsened 79 percentage points over the last 14 days (100% advisory-free two weeks ago vs. 21% advisory-free now).
For a trip in the next week, prioritize islands with stronger structural protection (dry coasts, reef enclosure, no major streams). See cleanest Hawaiian island and BWA alternatives.
Big Island is improving over the last 14 days (+21pp vs. the prior two weeks). 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 dry, so the improving trend should continue. See the Big Island leaderboard for the beach-by-beach ranking.
Maui is worsening over the last 14 days (-79pp 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 mild — scattered showers possible but unlikely to drive new advisories. See the Maui leaderboard for the beach-by-beach ranking.
Oʻahu is improving over the last 14 days (+14pp vs. the prior two weeks). 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 mild — scattered showers possible but unlikely to drive new advisories. See the Oʻahu leaderboard for the beach-by-beach ranking.
Kauaʻi is improving over the last 14 days (+64pp vs. the prior two weeks). 6 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 mild — scattered showers possible but unlikely to drive new 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.
New report every day: trend per island, NOAA forecast, 30-day advisory-free leaders and most advisory-affected tracked beaches. Free — unsubscribe anytime.