Surf, weather, safety alerts, and the best beaches for 2026-04-27.
Oahu's trade winds are steady today (15 mph from the ENE), bringing patchy rain to windward shores like Kailua-ideal for windsurfing but choppy for swimming. The south shore (Ala Moana, Magic Island) offers calm, reef-protected waters perfect for families and beginners. North Shore beaches (Sunset Beach, Waimea Bay) have solid surf (5 ft), but brown water advisories remain in effect from Haleiwa to Maili-do not enter the water. Waikiki's contaminated runoff risk persists; avoid swimming there. Lifeguards are on duty at major beaches, but always check for discolored water and posted warnings.
Oahu · Best window: afternoon
high confidenceOahu · Best window: midday
medium confidenceOahu · Best window: morning
medium confidenceOahu · Best window: morning
low confidenceOahu · Best window: morning
medium confidenceOahu's trade winds are steady today (15 mph from the ENE), making windward shores like Kailua ideal for windsurfing but choppy for swimming. South shore beaches (Magic Island, Sans Souci) offer sheltered, reef-protected waters with waves around 3 ft-safe for swimming if water is clear. North Shore beaches (Sunset Beach, Waimea Bay) have solid surf (5 ft), but brown water advisories remain active from Haleiwa to Maili-do not enter the water. Waikiki's contaminated runoff risk persists; avoid swimming there. Lifeguards are on duty at major beaches, but always check conditions before entering.
Oahu is under patchy rain today, with temperatures in the low 70s. Winds are steady from the east-northeast at 15 mph, keeping conditions breezy. Rain chances are moderate (60-100%) but showers will be brief and scattered. Morning fog is possible near windward shores, clearing by midday. The ground remains saturated from recent storms-avoid hiking trails or low-lying areas prone to flooding. Midday is the best time for beach visits, with the least rain and sunniest conditions.
UH Men's Volleyball hosts NCAA Tournament regional: The University of Hawaiʻi men's volleyball team earned the No. 2 seed and will host a three-team regional May 1-2 at Bankoh Arena. Hawaiʻi (27-5) will face the winner of USC vs. Belmont Abbey. Details here. Hawaii Legislature enters final stretch: Key bills are still in play as lawmakers work to reconcile House and Senate versions. Follow updates here. Waikiki faces contaminated flooding risk: A UH Mānoa study warns that rising sea levels could cause the Ala Wai Canal to backwash sewage-contaminated water into Waikiki streets and beaches, even without heavy rain. Avoid swimming in Waikiki until further notice. North Shore recovery continues: A month after the Kona low storms, local groups like Our Hawaiʻi are focusing on long-term recovery and community resilience. Read more.
Sources
Active advisories on Oahu's North and West Shores: The Hawaii Department of Health has issued brown water advisories for two zones: - Haleiwa Beach Park to Mokuleia 260A Beach Access (North Shore) - Makaha Beach Park to Maili Beach Park (West Side) Do not enter the water in these areas-runoff from recent storms may contain harmful bacteria, chemicals, and debris. Advisories remain in effect until water quality improves. Check the Clean Water Branch website for updates.
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.