Port of Duluth
6.9M
Long Tons
5.0M (2016)
8.9M (2023)
Port of Superior
7.8M
Long Tons
2.6M (2009)
13.1M (2017)
Port of Two Harbors
12.1M
Long Tons
6.5M (2009)
17.7M (2017)
Port of Silver Bay
3.5M
Long Tons
1.7M (2022)
6.7M (2010)
Total System Forecast: 30.3 Million Long Tons
80% Range: 23.2 - 37.4 Million Long Tons (P10-P90)
Bottom 20% (weakest seasons)
Top 20% (strongest seasons)
Needle = forecast's rank within that port's 2007–2025 seasonal totals. Dial ends = worst and best years on record.