September 2023

San Francisco Industry Report: September 2023

During September 2023, we saw 231 large vessels transit 19,060 nautical miles in the voluntary vessel speed reduction zone in the San Francisco Bay. The Whale Presence Indicator was “High” or “Very High” for 30 days during that time.


Top 10 Operators

The 10 operators with the most nautical miles transited during September 2023. Grade indicates the percentage of total transit distance that was at or below the 10 knot voluntary speed recommendation put in place to protect endangered whales.

Operator Distance (nm) Grade
MSC Mediterranean Shipping Co 1,362 nm A (93.02%)
Ocean Network Express Pte Ltd 1,083 nm A (86.50%)
Evergreen Marine Corp 970 nm B (70.50%)
Chevron Shipping Co LLC 882 nm B (66.66%)
CMA CGM SA The French Line 881 nm A (93.55%)
NYK Line 828 nm B (79.84%)
Maersk A/S 828 nm A (86.58%)
Yang Ming Marine Transport 754 nm A (85.20%)
CSL Americas 666 nm A (87.14%)
Matson Navigation Co Inc 644 nm B (60.60%)

Voluntary Vessel Speed Reduction Zone

The Voluntary Speed Restriction is currently:


For more information, see NOAA’s Vessel Speed Reduction Guidelines.

What is Whale Safe?

For more information, visit the Whale Safe website.