Initialism of North West Frontier Province, a northern province of Pakistan with the capital Peshawar.

Initialism of Nuclear Weapons Inheritance Project.

Initialism of new work in progress (usage from ISO)

Initialism of Northwest Territories.

Abbreviation of northwest by north.

Abbreviation of northwest by west.

Non-Weather Emergency Message, synonym for Civil Emergency Message (CEMs), put out via the NWS dissemination infrastructure to the Emergency Alert System (EAS).

Initialism of New World Order.

(US) NOAA Weather Radio

plural of NWFZ