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Hawaii DUI Laws

Hawaii DUI Defense

What you're facing, what the deadlines are, and the questions your attorney needs to answer — specific to Hawaii (HI) law.

BAC Limit

0.08

Enhanced BAC

0.15

Higher penalties above this

Lookback Period

10 years

Prior offenses count within

First Offense Penalties in Hawaii

Jail TimeUp to 5 days
Fines$150 – $1,000
License Suspension1 year (eligible for IID permit after 30 days)
Ignition InterlockRequired during revocation period

Implied Consent & Test Refusal

Like all 50 states, Hawaii has an implied consent law — by driving on Hawaii roads, you've already agreed to submit to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you're impaired.

Refusal Penalty

1-year license revocation

Hawaii-Specific Detail

Hawaii has relatively light jail sentences for first offenses but imposes a full 1-year license revocation. The state also requires 14 hours of substance abuse education.

Is your Hawaii DUI defense on track?

The Defense Milestone Score checks 10 critical defense behaviors specific to DUI cases. Takes 2 minutes. Instant results.

Take the Free Defense Score

DUI Defense Playbook$97

26 questions your DUI attorney hopes you never ask, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for Hawaii DUI defendants.

Important: This page provides general legal information about Hawaii DUI laws as of the date of publication. Laws change frequently. This is not legal advice. Consult a Hawaii-licensed attorney for guidance specific to your case.