🇺🇸 Houston · USA
US Gulf gateway · pétrochimie + LNG (Freeport via canal)
Vessels in zone now
121
live from public AIS
Our ETA error (MAE, 30d)
7.22 h
355 closed voyages
Broadcast ETA error (MAE)
46.51 h
we're 84% closer on the same voyages
What Port Flow tracks at Houston
- Predicted ETA for every inbound tanker, refreshed on each AIS position — benchmarked publicly on /precision and settled voyage by voyage on /receipts.
- Congestion by zone (Houston Ship Channel, Galveston Bay anchorage, Houston port) with anchored / underway / moored counts.
- Cargo focus: crude, product, chemical, lng. Sanctions screening and dark-fleet signals on paid tiers.
Nearby coverage
The weekly data brief
Congestion anomalies, chokepoint moves and precision updates across 51 ports — one email a week, numbers first.
One email a week. Unsubscribe in one click. No sharing with third parties.