Hawaiʻi has no recreational cannabis market, and even medical cannabis patients under HRS §329-122 are barred from consuming in public, in vehicles, on beaches, or anywhere smoking tobacco is prohibited under HRS §328J.
Hawaiʻi's medical cannabis program (HRS §329, Part IX) authorizes registered patients to possess and consume cannabis for qualifying conditions, but HRS §329-122(c) explicitly bans use in public places, in moving vehicles, on school grounds, in workplaces, and in any location where tobacco smoking is prohibited under HRS §328J. Recreational possession is decriminalized only for amounts up to three grams (Act 273, 2019), carrying a $130 civil fine. Honolulu beach and park smoke-free rules under ROH Chapter 42 independently bar cannabis combustion and vaping. Driving under the influence remains a criminal offense under HRS §291E regardless of medical status.
Public consumption violates HRS §329-122 with fines up to $1,000 plus possible loss of medical card. DUI charges escalate to misdemeanor or felony under §291E with mandatory license revocation.
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