Muhammad Ari Juanda and Mhd. Basri 2026. Design and Development of an Internet of Things (IoT)-Based Real-Time Tide Monitoring System for Coastal Water Level Observation. Hanif Journal of Information Systems . 3, 2 (Jul. 2026), 102–110. DOI:https://doi.org/10.56211/hanif.v3i2.71.