The Red Sea, an arm of the Indian Ocean, lies between northeastern Africa and the Arabian Peninsula. Its strategic location and unique geological features make it a crucial waterway for global trade and a region of significant geopolitical interest.
Geographic Overview
The sea covers an area of around 438,000 km², roughly twice the size of the United Kingdom or the size of California. The Red Sea is 360 km (225 mi) wide at its widest point and about 1,960 km (1,220 mi) long, from the Bab el-Mandeb Strait in the south to the tip of the Sinai Peninsula in the north. The southern two-thirds of its length are in the tropics.
Countries bordering the Red Sea are Saudi Arabia and Yemen in the east and Egypt, Sudan, Eritrea, and Djibouti in the west. There are numerous relatively small islands in the Red Sea, which are mainly located near the coast.
Connection to Global Waterways
The Red Sea connects the Indian Ocean with the Atlantic Ocean through the Arabian Sea, the Gulf of Aden, the Bab el Mandeb Strait, the Suez Canal, and the Mediterranean Sea. Due to its connection with the Mediterranean Sea, the Red Sea is one of the busiest waterways in the world. An estimated 12 to 16 percent of global trade passes through the Red Sea and the Suez Canal.
The Suez Canal is an artificial waterway in Egypt that connects the Gulf of Suez with the Mediterranean Sea. The canal was opened in November 1869 and runs in a north-south direction through the Isthmus of Suez. It is the shortest sea link between Asia and Europe. Before the canal was built, ships had to take a much longer route and sail around Africa.
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Geological Formation
The creation of the Red Sea started with the movement of the African and Arabian tectonic plates away from each other, separating the Arabian Peninsula from Africa and creating the Red Sea Trench, a section of the East African Rift. 55 million years ago, Arabia began to move away from Africa. 25 million years later, the Gulf of Suez opened up, and 10 million years after that, the northern part of the Red Sea.
The extremely slow tectonic movements cause ongoing geological events such as the formation of new earth crust, volcanic activity, and the spreading of the seabed. These geological activities created an underwater landscape with a deep central trench and relatively shallow continental shelves on both sides.
The Red Sea occupies part of a large rift valley in the continental crust of Africa and Arabia. This break in the crust is part of a complex rift system that includes the East African Rift System, which extends southward through Ethiopia, Kenya, and Tanzania for almost 2,200 miles and northward for more than 280 miles from the Gulf of Aqaba to form the great Wadi Aqaba-Dead Sea-Jordan Rift; the system also extends eastward for 600 miles from the southern end of the Red Sea to form the Gulf of Aden.
The Red Sea is considered a relatively new sea, whose development probably resembles that of the Atlantic Ocean in its early stages. The trough apparently formed in at least two complex phases of land motion. The movement of Africa away from Arabia began about 55 million years ago. The Gulf of Suez opened up about 30 million years ago, and the northern part of the Red Sea about 20 million years ago. The second phase began about 3 to 4 million years ago, creating the trough in the Gulf of Aqaba and also in the southern half of the Red Sea valley. This motion, estimated as amounting to 0.59 to 0.62 inch (15.0 to 15.7 mm) per year, is still proceeding, as indicated by the extensive volcanism of the past 10,000 years, by seismic activity, and by the flow of hot brines in the trough.
Unique Features
Due to its location between the Sahara and the Arabian Desert, volcanic activity in the Rift Zone and relatively shallow waters, the Red Sea is one of the warmest bodies of water in the world. The Red Sea is known to have brine pools. Brine pools are reservoirs of water on the seabed with a very high salt content. Due to the high salinity, the pools are denser and won't mix with the surrounding seawater.
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The northeastern branch of the Red Sea is the Gulf of Aqaba. It is bordered by four countries: Israel, Jordan, Egypt, and Saudi Arabia. The port at Aqaba is Jordan's only access to the world's oceans.
Biodiversity and Environment
The Red Sea is known for its clear waters, rich biodiversity, coastal mangroves, and healthy coral reefs.
Ports and Trade
There are around 15 major ports on the Red Sea. The busiest is Saudi Arabia's Jeddah Islamic Port. The port serves Jeddah and the holy cities of Mecca and Medina. Jeddah Islamic Port is the primary port of Saudi Arabia and the second largest and busiest port in the Arab world. It has specialized terminals for containers, general cargo, livestock, grains, and passengers.
Here's a table of major ports along the Red Sea:
| Port Name | Country | Description |
|---|---|---|
| Jeddah Islamic Port | Saudi Arabia | The busiest port, serving Jeddah, Mecca, and Medina. |
| Port Sudan | Sudan | Main port of Sudan, handles general cargo, containers, and petroleum. |
| Port of Aqaba | Jordan | Jordan's only access to the world's oceans, major logistics hub. |
| Port of Suez | Egypt | Critical link between the Mediterranean Sea and the Red Sea. |
| Port of Djibouti | Djibouti | Important regional trading hub, main transshipment point for goods from landlocked Ethiopia. |
| Yanbu Commercial Port | Saudi Arabia | A vital link for the industrial city of Yanbu. |
| Port of Safaga | Egypt | One of the oldest ports of Egypt and a gateway to the Upper Nile Valley. |
| Port of Eilat | Israel | Israel's port on the Red Sea and a strategic asset for the country. |
| Port of Massawa | Eritrea | The main port of Eritrea. |
| Port of Hodeidah | Yemen | An important port in Yemen and a lifeline for the country's humanitarian supplies. |
The Port of Suez is a strategically important maritime facility located at the northern end of the Gulf of Suez in Egypt. It serves as a critical link between the Mediterranean Sea and the Red Sea, allowing ships to bypass the lengthy trip around the southern tip of Africa (Cape Agulhas).
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Sudan's main port is Port Sudan in the northeast of the country. The port handles general cargo, containers, RORO, bulk, and petroleum. It also has an offshore oil terminal for the import and export of LPG and petroleum products.
Djibouti is strategically located on the Bab-el-Mandeb Strait, which separates the Gulf of Aden from the Red Sea. The port of Djibouti is an important regional trading hub and the main transshipment point for goods from landlocked Ethiopia. The port is a terminus of the Addis Ababa-Djibouti Railway, which connects Ethiopia's capital Addis Ababa, with Djibouti's port. The railway is the largest Chinese-financed infrastructure project in East Africa. The port handles containers, general cargo, bulk, RORO, and livestock. It also hosts several foreign military bases, such as those of France, the United States, China, and Japan.
The Port of Massawa is the main port of Eritrea. The old town of the city is a mix of African, Italian, Egyptian and Ottoman architecture, reflecting the city's colorful history. The port handles general cargo, containers, bulk, and petroleum. It also serves as a naval base for the Eritrean Navy and a tourist destination for its coral reefs and islands.
The Yanbu Commercial Port is one of the major ports of Saudi Arabia and a vital link for the industrial city of Yanbu. The port handles general cargo, containers, bulk, and petroleum. It also has a dedicated terminal for the export of phosphate and fertilizers.
The Port of Safaga is one of the oldest ports of Egypt and a gateway to the Upper Nile Valley. The port handles general cargo, containers, bulk, and passengers. It also serves as a ferry port for pilgrims to Saudi Arabia and a tourist resort for its beaches and diving sites.
The port of Eilat is Israel's port on the Red Sea and a strategic asset for the country. The port handles general cargo, containers, bulk, and passengers. Eilat is home to an Israeli naval base and is a popular tourist destination due to its coral reefs and marine life.
The Port of Aqaba is a major logistics hub and an important part of Jordan's economy. It is Jordan's only access to the world's oceans. The port contains the Aqaba Container Terminal (ACT), one of the busiest facilities on the Red Sea by container volume.
The Houthi-controlled port of Hodeidah on the Red Sea is an important port in Yemen and a lifeline for the country's humanitarian supplies. Besides general cargo, containers, bulk, and petroleum, the port handles up to 80% of humanitarian aid, fuel and merchandise for northern Yemen. Until the 19th century, Mokha was the principal port for Yemen's capital, Sanaa.
Geopolitical Conflicts
Since long, the Red Sea region has been a hotspot for various conflicts, driven by a mix of geopolitical, economic, and religious factors.
Yemen: Yemen is located at the southern end of the Red Sea, and the ongoing civil war there has significant implications for the region. The conflict began in 2014 when Houthi rebels, supported by Iran, took control of the Yemeni capital, Sana'a. In response, a Saudi-led coalition intervened in 2015 to restore the internationally recognized government. The conflict has led to disruptions in maritime traffic through the Bab-el-Mandeb Strait, a critical chokepoint for global trade.
Eritrea and Ethiopia: The Red Sea coast is home to Eritrea, a country that has experienced long-standing tensions with its neighbor, Ethiopia. These tensions resulted in a bloody border war from 1998 to 2000. Eritrea's location along the Red Sea means that any conflict involving Eritrea has the potential to impact regional security.
Somalia: Somalia, located near the Horn of Africa, has been plagued by instability, civil war, and the rise of extremist groups like al-Shabaab. Piracy off the Somali coast posed a major threat to shipping lanes in the Red Sea.
Sudan: Sudan, located along the western coast of the Red Sea, has experienced decades of internal conflict, including the Darfur conflict and the civil war that led to the independence of South Sudan in 2011. Both countries continue to experience internal strife and economic challenges. Sudan's proximity to the Red Sea and its internal instability make it a potential flashpoint. The country's transitional government, formed after the ousting of Omar al-Bashir in 2019, has faced significant challenges in stabilizing the nation.
Saudi Arabia and Iran: The rivalry between Saudi Arabia and Iran has significant implications for the Red Sea.
Turkey and the UAE: Turkey and the United Arab Emirates (UAE) have also sought to expand their influence in the Red Sea.
Global Powers: The Red Sea is strategically important for global powers like the United States, China, and Russia. The US maintains a military presence in Djibouti, while China has also established a base there.
Maritime Security: Given the Red Sea's critical role in global shipping, especially oil and gas transport, international efforts have been made to ensure maritime security in the region. This includes multinational naval patrols and initiatives to combat piracy and secure shipping lanes.
Extremist Groups: Extremist groups like al-Qaeda in the Arabian Peninsula (AQAP) and ISIS have sought to exploit the instability in the Red Sea region.
After the start of the Israel-Hamas war, Iran-backed Houthi militia in Yemen started to attack commercial vessels and tankers in the Red Sea.
The Red Sea is a complex and volatile region where local conflicts intersect with broader geopolitical rivalries. The stability of the Red Sea is crucial not only for the countries bordering it but also for the global economy, given its importance as a maritime route via the Suez Canal. Efforts to manage and resolve these conflicts involve a mix of local, regional, and international actors, each with its own interests and agendas.
Red Sea Geopolitics: Geopolitical Scramble in the Horn of Africa
Climate and Hydrology
The Red Sea region receives very little precipitation in any form. In general, the climate is conducive to outdoor activity in fall, winter, and spring-except during windstorms-with temperatures varying between 46 and 82 °F (8 and 28 °C). Summer temperatures, however, are much higher, up to 104 °F (40 °C), and relative humidity is high, rendering vigorous activity unpleasant.
No water enters the Red Sea from rivers, and rainfall is scant; but the evaporation loss-in excess of 80 inches per year-is made up by an inflow through the eastern channel of the Bab el-Mandeb Strait from the Gulf of Aden. This inflow is driven toward the north by prevailing winds and generates a circulation pattern in which these low-salinity waters (the average salinity is about 36 parts per thousand) move northward.
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