As of November 7, 2026, Weed is legal for medical use only (small amounts decriminalized) in Hawaii. Medical marijuana legal; 3 grams or less is a $130 non-criminal violation. Controlling source: HRS 712-1249 (promoting a detrimental drug in the third degree; 3 grams or less a violation).
Verified November 7, 2026 · confidence: confirmedIs Weed Legal? Every state and federal law
Hawaii has no adult-use law. Registered patients 18 and older (minors with written parental consent) may use cannabis on certification by a physician or APRN for a debilitating medical condition, holding an adequate supply of up to four ounces of usable cannabis and ten plants, and may buy from licensed dispensaries. Medical use is barred in buses and moving vehicles, workplaces, school grounds, parks, beaches and any place open to the public. Since January 11, 2020, possession of three grams or less of marijuana is a violation, not a crime, punishable by a $130 fine; more than three grams but under one ounce is a petty misdemeanor, and one ounce or more is a misdemeanor (HRS 712-1248). Federal law still treats non-medical marijuana as a Schedule I controlled substance.
§712-1249 Promoting a detrimental drug in the third degree. (1) A person commits the offense of promoting a detrimental drug in the third degree if the person knowingly possesses any marijuana or any Schedule V substance in any amount. (2) Promoting a detrimental drug in the third degree is a petty misdemeanor; provided that possession of three grams or less of marijuana is a violation, punishable by a fine of $130. [L 1972, c 9, pt of §1; am L 1975, c 163, §6(k); gen ch 1993; am L 2019, c 273, §3; am L 2019, c 273, §3]
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Federally restricted. Marijuana stays Schedule I federally; state-licensed medical marijuana is Schedule III Federal detail
1 instrument on file for this compound’s framework in Hawaii; 7 of 7 citations above are official sources. Each text carries its source and a fingerprint that changes when the law does.
137570231b7cc286§712-1249 Promoting a detrimental drug in the third degree. (1) A person commits the offense of promoting a detrimental drug in the third degree if the person knowingly possesses any marijuana or any Schedule V substance in any amount. (2) Promoting a detrimental drug in the third degree is a petty misdemeanor; provided that possession of three grams or less of marijuana is a violation, punishable by a fine of $130. [L 1972, c 9, pt of §1; am L 1975, c 163, §6(k); gen ch 1993; am L 2019, c 273, §3; am L 2019, c 273, §3] §329-122 Medical use of cannabis; conditions of use. (a) Notwithstanding any law to the contrary, the medical use of cannabis by a qualifying patient eighteen years of age or older shall be permitted only if: (1) The physician, advanced practice registered nurse, or hospice provider who has determined the patient to be a qualifying patient has explained the potential risks and benefits of the medical use of cannabis to the qualifying patient and documented in the qualifying patient's medical record that the qualifying patient understands the potential risks and benefits of the medical use of cannabis; and (2) The amount of cannabis possessed by the qualifying patient does not exceed an adequate supply. (e) The authorization for the medical use of cannabis in this section shall not apply to: (1) The medical use of cannabis that endangers the health or well-being of another person; (2) The medical use of cannabis: (A) In a school bus, public bus, or any moving vehicle; (B) In the workplace of one's employment; (C) On any school grounds; (D) At any public park, public beach, public recreation center, recreation or youth center; or (E) At any other place open to the public; provided that a qualifying patient, primary caregiver, qualifying out-of-state patient, caregiver of a qualifying out-of-state patient, or an owner or employee of a medical cannabis dispensary licensed under chapter 329D shall not be prohibited from transporting cannabis or any manufactured cannabis product, as that term is defined in section 329D-1, in any public place; provided further that the cannabis or manufactured cannabis product shall be transported in a sealed container, not be visible to the public, and shall not be removed from its sealed container or consumed or used in any way while it is in the public place; and (3) The use of cannabis by a qualifying patient, parent, primary caregiver, qualifying out-of-state patient, or caregiver of a qualifying out-of-state patient, for purposes other than medical use permitted by this part.
Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.
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