Haw. Rev. Stat. § 127A-14: State of emergency.

(a) The governor may declare the existence of a state of emergency in the State by proclamation if the governor finds that an emergency or a disaster has occurred or that there is imminent danger or threat of an emergency or a disaster in any portion of the State.

(b) A mayor may declare the existence of a local state of emergency in the county by proclamation if the mayor finds that an emergency or a disaster has occurred or that there is imminent danger or threat of an emergency or a disaster in any portion of the county.

(c) The governor or mayor shall be the sole judge of the existence of the danger, threat, or circumstances giving rise to a declaration, an extension, or a termination of a state of emergency in the State or a local state of emergency in the county, as applicable. This section shall not limit the power and authority of the governor under section 127A-13(a)(5).

(d) A state of emergency and a local state of emergency shall terminate automatically sixty days after the issuance of a proclamation of a state of emergency or local state of emergency, respectively, unless extended or terminated by a separate or supplementary proclamation of the governor or mayor.