Data • Snapshot • Auditable

Global chokepoint overview

Synthetic overview joining PortWatch reference layers and daily chokepoint monitoring into a single comparison surface.

id: portwatch_overviewslug: overviewdomain: portwatchfile: portwatch_overviewsource: IMF PortWatchmode: portwatch_overview

PortWatch chokepoint overview

Reference chokepoints

static reference frame

Monitored chokepoints

current: 10 • stale: 0

Latest monitored daily date

2026-09-27

reference only: 0

Top latest-day volume

Malacca Strait

latest tons: 7,695,507

Static reference facts, latest monitored daily observations, rolling daily averages, and latest-date ranks are separated deliberately. Only chokepoints observed on the latest monitored daily date participate in the latest-date rank frame.

Global chokepoint map

Marker color reflects latest trade volume versus 7-day average. Marker size reflects latest monitored trade volume.

Rendered points: 10

Skipped for invalid coordinates: 0

Latest plotted monitored date: 2026-09-27

Green: latest volume above 7-day averageRed: latest volume below 7-day averageNeutral: near average or no valid daily comparisonMarker size: latest monitored trade volume

Bab el-Mandeb Strait

Current coverage

latest-date volume rank: 5

latest-date calls rank: 9

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

3,368,819

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

1,321,601

7d avg: 1,103,530

Latest daily transit calls

7d avg: 27

reference significance: —

latest volume vs 7d: 19.8% • 7d volume vs historical: -67.2% • latest calls vs 7d: -0.5%

Bosporus Strait

Current coverage

latest-date volume rank: 8

latest-date calls rank: 5

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

1,140,490

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

357,109

7d avg: 554,422

Latest daily transit calls

7d avg: 50

reference significance: —

latest volume vs 7d: -35.6% • 7d volume vs historical: -51.4% • latest calls vs 7d: -7.2%

Cape of Good Hope

Current coverage

latest-date volume rank: 2

latest-date calls rank: 4

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

3,028,029

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

5,428,230

7d avg: 5,557,178

Latest daily transit calls

7d avg: 88

reference significance: —

latest volume vs 7d: -2.3% • 7d volume vs historical: 83.5% • latest calls vs 7d: -14.9%

Dover Strait

Current coverage

latest-date volume rank: 4

latest-date calls rank: 2

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

3,545,057

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

3,370,078

7d avg: 3,292,913

Latest daily transit calls

162

7d avg: 172

reference significance: —

latest volume vs 7d: 2.3% • 7d volume vs historical: -7.1% • latest calls vs 7d: -6.0%

Gibraltar Strait

Current coverage

latest-date volume rank: 3

latest-date calls rank: 3

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

4,105,580

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

3,481,150

7d avg: 3,396,450

Latest daily transit calls

129

7d avg: 133

reference significance: —

latest volume vs 7d: 2.5% • 7d volume vs historical: -17.3% • latest calls vs 7d: -3.0%

Malacca Strait

Current coverage

latest-date volume rank: 1

latest-date calls rank: 1

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

8,319,670

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

7,695,507

7d avg: 8,142,413

Latest daily transit calls

201

7d avg: 218

reference significance: —

latest volume vs 7d: -5.5% • 7d volume vs historical: -2.1% • latest calls vs 7d: -7.7%

Oresund Strait

Current coverage

latest-date volume rank: 9

latest-date calls rank: 6

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

97,268

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

207,627

7d avg: 123,057

Latest daily transit calls

7d avg: 35

reference significance: —

latest volume vs 7d: 68.7% • 7d volume vs historical: 26.5% • latest calls vs 7d: 16.7%

Panama Canal

Current coverage

latest-date volume rank: 7

latest-date calls rank: 8

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

820,098

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

886,807

7d avg: 787,348

Latest daily transit calls

7d avg: 27

reference significance: —

latest volume vs 7d: 12.6% • 7d volume vs historical: -4.0% • latest calls vs 7d: 11.1%

Strait of Hormuz

Current coverage

latest-date volume rank: 10

latest-date calls rank: 10

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

3,693,440

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

8,866

7d avg: 52,376

Latest daily transit calls

7d avg: 3

reference significance: —

latest volume vs 7d: -83.1% • 7d volume vs historical: -98.6% • latest calls vs 7d: -68.2%

Suez Canal

Current coverage

latest-date volume rank: 6

latest-date calls rank: 7

Daily series is present on the latest monitored date (2026-09-27) and is eligible for latest-date ranking.

Reference 2023 volume

3,351,552

historical reference layer

Latest daily date

2026-09-27

daily monitoring layer

Latest daily volume (tons)

1,277,754

7d avg: 1,525,156

Latest daily transit calls

7d avg: 40

reference significance: —

latest volume vs 7d: -16.2% • 7d volume vs historical: -54.5% • latest calls vs 7d: -7.5%

Audit preview

First 10 rows from the transformed PortWatch overview.

chokepoint_name	coverage_status	latest_date	latest_trade_volume_tons	avg_7d_trade_volume_tons	latest_transit_calls	avg_7d_transit_calls	rank_latest_trade_volume_tons
Bab el-Mandeb Strait	current	2026-09-27	1,321,601	1,103,529.71	27	27.14	5
Bosporus Strait	current	2026-09-27	357,109	554,421.71	46	49.57	8
Cape of Good Hope	current	2026-09-27	5,428,230	5,557,178.29	75	88.14	2
Dover Strait	current	2026-09-27	3,370,078	3,292,913.29	162	172.29	4
Gibraltar Strait	current	2026-09-27	3,481,150	3,396,449.71	129	133	3
Malacca Strait	current	2026-09-27	7,695,507	8,142,412.57	201	217.86	1
Oresund Strait	current	2026-09-27	207,627	123,056.71	41	35.14	9
Panama Canal	current	2026-09-27	886,807	787,348.43	30	27	7
Strait of Hormuz	current	2026-09-27	8,866	52,376.29	1	3.14	10
Suez Canal	current	2026-09-27	1,277,754	1,525,155.86	37	40	6

Rows: 10 • overview bundle rendered deliberately

Related surfaces

Maritime chokepoints and transit risk →Price transmission: where the signal went →Relations graph →

Source and method

[1] IMF PortWatch, satellite-AIS-based daily chokepoint and port activity with 2023 reference baselines.

Measured, reported statistics from the named source, frozen at the build-time snapshot shown in the header chips. Derived aggregates on this page (partner groups, rolling windows, ranks) are computed from that snapshot at build; nothing here is modelled or projected.