An automatic alert system pertaining to a gate that is releasably secured across an ingress/egress to a balcony or other elevated platform. The gate has a pair of vertical posts that are releasably secured within respective boots secured to the floor. One of the boots includes a switch-activated transmitter that is activated when its respective post is removed from the boot. Another switch-activated transmitter is activated whenever the gate is opened. If the post is pulled out of the boot, or the gate is opened, the switch-activated transmitters transmit a wireless signal to a transceiver located on the gate which then transmits a signal to an on-site controller that transmits respective text messages to authorized personnel informing them of the gate removal/opening and will continue to do so until the gate status changes. The transceiver may be housed within a housing that also contains a visual and/or audible warning at the gate vicinity to warn those in the vicinity of the gate removal or opening.