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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: Medium*

Today's Santa Barbara Channel Whale Presence: Medium  |  June 1, 2023

Medium Presence of Whales How was this calculated?
Certainty: Very High
June 1, 2023
Sightings* 19 Humpback 0 Blue 0 Fin
Humpback Whale Acoustic Detections

Blue Whale Habitat Model

* Whale sightings data may be limited due to COVID-19.

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 2 hours ago using data from the last five days.

Today's San Francisco Whale Presence: Very High*

Today's San Francisco Whale Presence: Very High  |  June 1, 2023

Very High Presence of Whales How was this calculated?
Certainty: Very High
June 1, 2023
Sightings* 65 Humpback 0 Blue 0 Fin
Blue Whale Acoustic Detections
Humpback Whale Acoustic Detections
Fin Whale Acoustic Detections

Blue Whale Habitat Model

* Whale sightings data may be limited due to COVID-19.

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 2 hours ago using data from the last five days.

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