New advisory posted at Hapuna Beach — and what it means for the rest of Big Island
New DOH advisory activity in the last 24 hours affected 13 tracked beaches: Anaehoʻomalu Bay (A-Bay), Hanakaʻoʻo Beach Park, Hapuna Beach, Honoliʻi Beach, Hoʻokipa Beach Park, Kahaluʻu Bay, Kaʻanapali Beach, Keawakapu Beach, Magic Sands Beach, Makena Beach, Mauna Kea Beach, Spencer Beach Park, Wailea Beach. Check the linked beach page for the specific advisory type and live DOH status.
If you have a trip scheduled at an affected beach in the next 72 hours, consider the reef-protected alternatives in our where-to-swim-during-BWA guide. The 72-hour rule applies once the rain stops.
Big Island is worsening over the last 14 days (-36pp vs. the prior two weeks). All 7 of our 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 52% 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 (+29pp 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 wet (peak 71% chance of rain) — expect the pattern to shift toward more 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). 2 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 98% 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 (-14pp 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 97% 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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