Big Island's west shore beaches (Hapuna, Kahaluʻu) remain calm today. Patchy rain possible-monitor conditions.
The Big Island's west shore beaches are calm today, ideal for swimming and snorkeling. A **Brown Water Advisory** remains active for Hilo Bay and the Hamakua coast-avoid swimming or snorkeling in these areas. Patchy rain is possible, especially at Kahaluʻu Beach Park (73% rain chance), so pack a light jacket. No surf advisories or closures are in effect, but standard safety practices apply.
Currently posted advisories from the Hawaii Department of Health affecting Big Island. Source: official DOH Clean Water Branch.
Posted Jun 2, 2026 · Hilo bay and along the Hamakua coast
Full advisory at health.hawaii.gov →Big Island · Best window: midday
high confidenceBig Island · Best window: morning
medium confidenceBig Island · Best window: afternoon
medium confidenceBig Island · Best window: afternoon
medium confidenceBig Island · Best window: morning
low confidenceStick to Hapuna or Richardson Ocean Park-calm, lifeguarded waters are safest. Avoid Kahaluʻu if you're not comfortable with solid surf (5 ft). Pack a light jacket for patchy rain. **Avoid Hilo Bay and Hamakua coast** due to the Brown Water Advisory.
Hapuna and Carlsmith Beach Parks are your best bets-shallow, calm waters and lifeguards. Supervise kids closely, even in sheltered areas. Bring indoor backups (e.g., Imiloa Astronomy Center) if rain disrupts plans. **Avoid Hilo Bay and Hamakua coast** due to the Brown Water Advisory.
Kahaluʻu offers solid surf (5 ft) and excellent snorkeling. Monitor conditions and respect wildlife. Check for structural damage to restrooms and lifeguard towers before entering. **Avoid Hilo Bay and Hamakua coast** due to the Brown Water Advisory. No surf advisories in effect-enjoy calm conditions.
West-facing beaches (Hapuna, Kahaluʻu) remain calm today, with small surf at Hapuna (1.9 ft) and solid surf at Kahaluʻu (5 ft). Winds are light (4-4.5 mph), with Hapuna experiencing NE winds and Kahaluʻu SSW winds. **No surf advisories or closures** are in effect. **Brown Water Advisory** remains active for Hilo Bay and the Hamakua coast-avoid swimming or snorkeling in these areas. Kahaluʻu's surf is manageable for experienced swimmers-lifeguards are on duty.
The Big Island's west shore is mild today, with **Hapuna (72°F, 8% rain chance)** and **Kahaluʻu (72.4°F, 73% rain chance)** both experiencing patchy rain nearby. Winds are light (4-4.5 mph), but pack a light jacket for potential showers, especially at Kahaluʻu. Conditions are comfortable for beach time, but monitor radar for rain.
**Brown Water Advisory** remains active for Hilo Bay and the Hamakua coast-avoid swimming or snorkeling in these areas ([Hawaii DOH](https://eha-cloud.doh.hawaii.gov/cwb/#!/event/2074)). A **magnitude-4.6 earthquake** struck off the Kona Coast on June 3, prompting a brief tsunami watch that was later cancelled-no damage or beach-access impacts were reported ([New York Post](https://nypost.com/2026/06/03/us-news/magnitude-4-6-earthquake-strikes-off-coast-of-hawaiis-big-island/)). No other advisories or closures are in effect for the Big Island today.
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.