Global Maritime & Chokepoint Transit Ledger
Continuous vessel density monitoring, canal delays, and trade disruption indices across vital oceanic arteries aggregated from PortWatch (IMF/Oxford), UNCTAD, and international Automatic Identification System (AIS) arrays.
Strait of Malacca
Indian Ocean – Pacific Energy Channel
Bab el-Mandeb Strait
Red Sea Gate – Gulf of Aden Corridor
Suez Canal
Mediterranean – Red Sea Isthmus
Strait of Hormuz
Persian Gulf Hydrocarbon Arterial
Panama Canal
Atlantic – Pacific Interoceanic Locks
Strait of Gibraltar
Atlantic – Mediterranean Portal
Cape of Good Hope
South Atlantic – Indian Ocean Circumnavigation
Sunda Strait
Java Sea – Indian Ocean Strategic Deepwater
Bosporus Strait
Black Sea – Sea of Marmara Continental Boundary
Lombok Strait
Deep-Draft Capesize & VLCC Alternative Corridor
Dover Strait (English Channel)
North Sea – Atlantic International Shipping Lane
Taiwan Strait
East China Sea – South China Sea High-Density Lane
| CHOKEPOINT / ARTERY | PRIMARY JURISDICTION | 24H TRANSIT COUNT | VOLUME DEVIATION (VS 30D AVG) | AVG ANCHORAGE QUEUE | MARSEC POSTURE | STATUS & DISRUPTION INDEX |
|---|---|---|---|---|---|---|
| Strait of MalaccaIndian Ocean – Pacific Energy Channel | Malaysia / Indonesia / Singapore | 248 Vessels / Day | +2.4% Normal | 14.2 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Bab el-Mandeb StraitRed Sea Gate – Gulf of Aden Corridor | Yemen / Djibouti / Eritrea | 28 Vessels / Day | −58.4% Redirection | 74.5 Hours | MARSEC 3 | SEVERE ROUTE DIVERSION |
| Suez CanalMediterranean – Red Sea Isthmus | Egypt (SCA Maritime Authority) | 34 Vessels / Day | −52.1% Redirection | 48.0 Hours | MARSEC 2 | SEVERE ROUTE DIVERSION |
| Strait of HormuzPersian Gulf Hydrocarbon Arterial | Oman / Iran / United Arab Emirates | 142 Vessels / Day | −1.8% Normal | 18.5 Hours | MARSEC 2 | UNIMPEDED TRANSIT |
| Panama CanalAtlantic – Pacific Interoceanic Locks | Panama (ACP Canal Authority) | 32 Vessels / Day | −12.4% Draft Quota | 38.2 Hours | MARSEC 1 | RESTRICTED DRAFT PASSAGE |
| Strait of GibraltarAtlantic – Mediterranean Portal | Spain / United Kingdom / Morocco | 198 Vessels / Day | +4.2% Normal | 8.5 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Cape of Good HopeSouth Atlantic – Indian Ocean Circumnavigation | South Africa (Maritime Safety Authority) | 112 Vessels / Day | +74.8% Cape Divergence | 12.0 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Sunda StraitJava Sea – Indian Ocean Strategic Deepwater | Indonesia (Kemenhub Port Authority) | 70 Vessels / Day | +1.6% Normal | 9.2 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Bosporus StraitBlack Sea – Sea of Marmara Continental Boundary | Turkey (Montreux Convention Administration) | 86 Vessels / Day | −6.4% Escort Quota | 26.4 Hours | MARSEC 1 | MODERATE CONGESTION |
| Lombok StraitDeep-Draft Capesize & VLCC Alternative Corridor | Indonesia (Bali / Lombok Authority) | 45 Vessels / Day | +3.1% Normal | 6.8 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Dover Strait (English Channel)North Sea – Atlantic International Shipping Lane | United Kingdom / France (MCA / Cross Gris-Nez) | 265 Vessels / Day | +0.8% Normal | 5.4 Hours | MARSEC 1 | UNIMPEDED TRANSIT |
| Taiwan StraitEast China Sea – South China Sea High-Density Lane | Taiwan / China (Cross-Strait Maritime Safety) | 185 Vessels / Day | +1.2% Normal | 11.0 Hours | MARSEC 2 | UNIMPEDED TRANSIT |
Data Methodology: Strategic maritime choke-point metrics and vessel throughput estimates syndicated via PortWatch (collaborative initiative of the International Monetary Fund and University of Oxford Environmental Change Institute) and UNCTAD. Transit calculations derived from global terrestrial and satellite Automatic Identification System (AIS) positions. MARSEC levels defined in accordance with the International Ship and Port Facility Security (ISPS) Code.