Updated
Hanauma Bay
Bay
Use caution — an official advisory is in effect
Use cautionUse caution — an official advisory is in effect: a Small Craft Advisory is in effect for Kauai Northwest Waters; Kauai Windward Waters; Kauai Leeward Waters; Kauai Channel and other areas.
- Water temp 81°F (27°C)
Live data from NOAA buoy 51202 (10.1 mi away), as of Oct 20, 6:26 AM UTC.
Why, sources & official advisories
- A Small Craft Advisory is in effect for Kauai Northwest Waters; Kauai Windward Waters; Kauai Leeward Waters; Kauai Channel and other areas. — NWS Honolulu HI
- Water temperature is 81°F, within the comfortable 70–86°F range. — NOAA buoy 51202, as of Oct 20, 6:26 AM UTC
No official beach-advisory feed for Hawaii yet — follow posted signs and local guidance.
volcanic crater bay and marine life conservation district on the southeastern coast of Oahu, Honolulu, Hawaii, United States
Interactive map not available
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Weather at Hanauma Bay
77°F, Patchy rain nearby · H 79° / L 76° · 20% chance of rain3-day forecast
Frequently asked questions
- Where is Hanauma Bay?
- Hanauma Bay is a bay in Hawaii.
- What is the water temperature at Hanauma Bay?
- As of October 20, 2026, the water temperature at Hanauma Bay in Hawaii is 81°F (27°C), measured by NOAA buoy 51202, 10.1 miles away.
- Can you swim at Hanauma Bay?
- Use caution — an official advisory is in effect: a Small Craft Advisory is in effect for Kauai Northwest Waters; Kauai Windward Waters; Kauai Leeward Waters; Kauai Channel and other areas. Checked October 20, 2026.
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Location & Contact
Hawaii
💡 Best times & visiting tips
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
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