Big Island water quality is improving (+64pp in 14 days)
Big Island ocean water quality improved 64 percentage points over the last 14 days (14% advisory-free two weeks ago vs. 79% advisory-free now).
If the NOAA 7-day outlook stays dry, the improving trend should continue. See the Big Island leaderboard for which individual beaches drove the change.
Big Island is improving over the last 14 days (+64pp 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 mild — scattered showers possible but unlikely to drive new advisories. See the Big Island leaderboard for the beach-by-beach ranking.
Maui has been mostly advisory-free — the same baseline as 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 dry, so the mostly advisory-free baseline should hold. See the Maui leaderboard for the beach-by-beach ranking.
Oʻahu is improving over the last 14 days (+36pp vs. the prior two weeks). 0 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 61% chance of rain) — expect the pattern to shift toward more advisories. See the Oʻahu leaderboard for the beach-by-beach ranking.
Kauaʻi is stable — no significant change in the last 14 days. 0 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 59% 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.
New report every day: trend per island, NOAA forecast, 30-day advisory-free leaders and most advisory-affected tracked beaches. Free — unsubscribe anytime.