For many reasons, hydrographic surveys Yemen are essential. They are an important factor in marine navigation safety provision due to providing elaborate navigation charts that can guide vessels safely through places with submerged perilous items. In addition, these surveys are significant for environmental monitoring as they provide data on water depths, sediment type and distribution, and sea bottom configurations needed to determine any changes occurring in oceanic ecosystems and take protective actions. Hydrographic survey Yemen provides crucial preconditions for resource exploration by creating detailed maps of the underwater topography and underground formations. This paper highlights the role of hydrographic surveys in the safe extraction of oil, gas and other minerals from the seabed. Apart from this, hydrographic survey yemen serve as vital tools in coastal and harbor development involving planning, construction, sediment transport comprehension and management of erosion.