Surf, weather, safety alerts, and the best beaches for 2026-05-15.
Kauai is under an island-wide Brown Water Advisory and a heavy rain/thunderstorm warning today, making ocean activities unsafe. Both Hanalei Bay (North Shore) and Poipu Beach Park (South Shore) report 100% rain chance, with temperatures around 73-74°F and winds up to 9.2 mph. Surf remains elevated for May (6.7ft at Hanalei, 5.2ft at Poipu), but strong currents and poor visibility discourage swimming or snorkeling. Stick to indoor activities, scenic walks, or protected dry-land areas — facilities at Poipu and Lydgate remain open for limited use. Avoid storm drains and check with lifeguards before considering any water entry.
Kauai · Best window: midday
high confidenceKauai · Best window: morning
medium confidenceKauai · Best window: afternoon
medium confidenceKauai · Best window: morning
low confidenceKauai · Best window: morning
low confidenceKauai remains under an island-wide Brown Water Advisory, discouraging all swimming, snorkeling, or water activities. Hanalei Bay (North Shore) reports elevated surf (6.7ft) — unusually high for May-while Poipu Beach Park (South Shore) has solid waves (5.2ft). Both areas face strong currents and poor visibility due to heavy rain. Lifeguards advise avoiding all water entry until the advisory lifts. Storm drains may increase runoff-stay clear of discolored water.
Kauai is under a heavy rain and thunderstorm warning today, with 100% rain chance at Hanalei Bay and Poipu Beach Park. Temperatures hover around 73-74°F, with winds up to 9.2 mph (E/ENE direction). Coastal areas may see lightning and localized flooding — avoid open beaches during storms. Sun protection is still recommended for brief outdoor stays.
Hurricane season starts in the Eastern Pacific, with forecasters warning of a higher-than-usual risk for Hawaii due to El Niño. While no immediate threats exist, stay alert for updates. Outrigger Kauai Beach Resort will open Ocean House by Roy Yamaguchi in June-great for future dining plans. Monk seal abuse incidents continue to rise: report violations to NOAA at 800-853-1964.
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Disclaimer: This update is generated using AI and automated data sources including weather APIs, surf forecasts, and news feeds. It is not professional safety advice. Ocean conditions change rapidly and may differ from what is described here. Always check with on-site lifeguards, observe posted warning signs, and consult official sources such as the National Weather Service before entering the water. HawaiiYeah assumes no liability for injury, loss, or damage arising from use of this information. See our full disclaimer.