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Voluntary Vessel Speed Reduction Zone In Effect NOAA recommends that vessels > 300 gross registered tons transiting the zone do so at speeds of 10 knots or less

Shipping Company & Vessel Speed 
Cooperation Rate

Adoption of NOAA’s voluntary speed limits are shown to decrease the risk of whale-ship collisions. Search individual company and vessel cooperation rates to assess performance.

Large Fleet

Large fleets represent companies that have 30 or more transits/year.

Company Fleet Transit Distance Cooperation Rate Letter Grade
Company > XX 00% A
Company > XX 00% A
Company > XX 00% F
Company > XX 00% F

Small Fleet

Small fleets represent companies that have less than 30 transits/year.

Company Fleet Transit Distance Cooperation Rate Letter Grade
Company > XX 00% A
Company > XX 00% A
Company > XX 00% F
Company > XX 00% F

Today's Santa Barbara Channel Whale Presence: Very High*

Today's Santa Barbara Channel Whale Presence: Very High  |  June 11, 2025

Very High Presence of Whales How was this calculated?
Certainty: Very High
June 11, 2025
Sightings* 35 Humpback 0 Blue 0 Fin
Humpback Whale Acoustic Detections
Fin Whale Acoustic Detections

Blue Whale Habitat Model

Whales may be present even if whale presence rating is low. Please remember you can protect these sensitive species by slowing down. Presence Tracker last updated 1 hour ago using data from the last five days.

Today's San Francisco Whale Presence: High*

Today's San Francisco Whale Presence: High  |  June 11, 2025

High Presence of Whales How was this calculated?
Certainty: High
June 11, 2025
Sightings* 29 Humpback 0 Blue 0 Fin

Blue Whale Habitat Model

Acoustic buoy is currently offline.

Whales may be present even if whale presence rating is low. Please remember you can protect these sensitive species by slowing down. Presence Tracker last updated 1 hour ago using data from the last five days.

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