Key Features of the Arabian Gulf: Geography, Climate & Strategic Importance

Geography

• Semi-enclosed sea between Arabian Peninsula and Iranian plateau
• Connected to Indian Ocean via Strait of Hormuz (35% of global seaborne oil passes through)
• ~1,056 km long, 350 km max wide, 240,000 km² surface area
• Shallow: avg 35 m, max 100 m depth

Environment

• Extreme salinity (35–40 ppt) from high evaporation, low freshwater input
• Hot desert climate – Summers >50°C (122°F); winters 15–25°C (59–77°F)
• Biodiversity hotspot: coral reefs, mangroves, seagrasses, endemic/threatened species

Strategic Significance

• Global energy artery: vast oil/gas reserves, busiest oil shipping lane
• Major ports & industrial hubs line the coast
• Geopolitical flashpoint—regional tensions affect world energy markets

The Arabian Gulf is small, salty, hot, biologically rich, and disproportionately powerful in global economics and politics.