Surf, weather, safety alerts, and the best beaches for 2026-05-13.
Oahu's windward shores are windy today (22 mph from ENE), making Kailua Beach Park ideal for windsurfing or kitesurfing but choppy for swimming. The south shore remains the best bet for calm, reef-protected waters-Ala Moana Beach Park and Magic Island Lagoon offer gentle waves and lifeguard supervision. North Shore beaches (Sunset Beach, Waimea Bay) have solid surf (4.7-5.5 ft), but brown water advisories remain active — do not enter the water. Pack a light jacket for breezy conditions and check advisories before heading out. Tropical storm risk is elevated this season — monitor forecasts closely.
Oahu · Best window: midday
high confidenceOahu · Best window: afternoon
high confidenceOahu · Best window: morning
medium confidenceOahu · Best window: midday
medium confidenceOahu · Best window: morning
low confidenceOahu's south shore (Ala Moana, Magic Island) offers calm, reef-protected waters with moderate surf (4.1 ft) — ideal for swimming and snorkeling. The windward shores (Kailua, Waimanalo) are windy (22+ mph from ENE) with choppy surf (5.5 ft), making them better for windsurfing than swimming. North Shore beaches (Sunset Beach, Waimea Bay) have solid surf (4.7-5.5 ft), but brown water advisories remain active — do not enter the water. Lifeguards are on duty at major beaches, but always check conditions before entering. Tropical storm risk is elevated this season — stay updated via NWS Honolulu.
Oahu is partly cloudy today, with temperatures in the mid-70s°F. Winds are strong (15-22 mph from the E/ENE), keeping conditions breezy and cool. No rain expected on the windward side, but wind chop will make water conditions rough. The south shore (Ala Moana, Waikiki) is the most sheltered from wind. The tropical storm risk remains elevated this season, so monitor forecasts for sudden changes. Midday is the best time for beach visits, with the least wind and most stable conditions.
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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) - Makua Beach (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.