Corridor density
Chokepoint Traffic
Indicative vessel pressure on Malacca, Singapore and the Taiwan Strait — built for scheduling and insurance awareness. This is a corridor density model, not a live AIS track of every ship. Incident detail stays on Incident Map and Taiwan Strait Monitor.
Model day
Monitored corridors
Malacca
normal- Est. daily vessels
- 216
- vs baseline
- -2%
- Avg anchorage
- 9.7h
- Mix
- 88b / 60t
Malacca: within normal operating band for this corridor model.
Singapore
normal- Est. daily vessels
- 266
- vs baseline
- -5%
- Avg anchorage
- 9.4h
- Mix
- 109b / 67t
Singapore: within normal operating band for this corridor model.
Taiwan Strait
elevated- Est. daily vessels
- 166
- vs baseline
- +11%
- Avg anchorage
- 19.7h
- Mix
- 72b / 47t
Taiwan Strait: density above recent baseline. Watch anchorage hours and related incident feed.
Related shipping incidents
- shipping chokepointsoutheast asiamedium impact20 Jun
Singapore bunker prices spike as Malacca weather slows tanker turns
Bunker price assessments in Singapore rose as weather-related delays slowed tanker turnaround through the Malacca–Singapore corridor.
Confidence: 73/100 - shipping chokepointsoutheast asiamedium impact22 Jan
Malacca Strait traffic advisory after dense tanker and boxship queues
Regional maritime authorities issued a traffic density advisory as AIS showed elevated anchorage waits off Port Klang and the approaches to Singapore.
Confidence: 74/100 - shipping chokepointsoutheast asiamedium impact30 Jul
Malacca Strait congestion rises amid monsoon season delays
Vessel tracking data shows average transit times through Malacca up 18% week-on-week due to weather and port backlog in Singapore.
Confidence: 72/100 - shipping chokepointsoutheast asialow impact25 Jul
Singapore port reports record transshipment volume in July
Maritime and Port Authority of Singapore reported 37.8M TEU annualized run-rate, driven by rerouted Asia-Europe cargo.
Confidence: 86/100 - taiwan straittaiwan straithigh impact2 Aug
PLA aircraft cross Taiwan Strait median line in largest sortie this month
Taiwan MND reported 32 PLA aircraft and 8 naval vessels operating around Taiwan, with 18 aircraft crossing the median line.
Confidence: 78/100 - taiwan straittaiwan straitmedium impact18 Jul
Commercial shipping receives navigational caution during Taiwan drill window
Maritime safety messaging urged caution for commercial traffic during a published Taiwan Strait drill window; main lanes remained open according to tracking data.
Confidence: 75/100 - taiwan straittaiwan straithigh impact6 Jan
Taiwan MND reports elevated PLA ADIZ activity at the start of 2026
Taiwan's Ministry of National Defense logged 41 PLA aircraft and 11 naval vessels around Taiwan over 24 hours, with 22 aircraft crossing the median line — the densest early-year pattern since late 2025.
Confidence: 84/100 - natural hazardtaiwanhigh impact28 Jul
Typhoon Gaemi approaches southern Taiwan; Kaohsiung port suspends operations
Central Weather Administration issued land warning for Typhoon Gaemi; Port of Kaohsiung halted container operations for 18 hours as precaution.
Confidence: 92/100
Methodology: daily deterministic density bands from corridor baselines (order-of-magnitude commercial traffic). Replaceable later with licensed AIS aggregates. Risk information — not navigational advice.