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Weekly swim report · August 21, 2026

Hawaii swim report

On August 21, 2026 the warmest USGS water reading in Hawaii was 71°F at Kahakuloa Stream near Honokohau, Maui, HI; no water-related NWS hazards are active.

Warmest water

The warmest of 1 sensor reporting a water temperature in Hawaii today. Station names open the official monitoring page.

  1. #171°F 22°C9 hrs ago

Active hazards in Hawaii

No water-related NWS hazards are active in Hawaii right now. Checked live against the National Weather Service alert feed.

Where to swim in Hawaii

The most-reviewed, well-rated water destinations in Hawaii — check each one’s live conditions before you go.

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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.