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New Voluntary Right Whale Speed Restriction Zone South of Nantucket


NOAA Fisheries announces that a voluntary vessel speed restriction zone (Dynamic Management Area or DMA) has been established 30 nautical miles south of Nantucket, MA to protect an aggregation of 22 right whales sighted in this area on January 23, 2018. This DMA is in effect immediately.  

Mariners are requested to route around this area or transit through it at 10 knots or less.

South of Nantucket, MA DMA January 23-February 5
41 15 N
40 22 N
070 51 W
069 37 W

Mandatory speed restrictions of 10 knots or less are in effect in the following areas:
Cape Cod Bay -- in effect through May 15, 2018
Block Island -- in effect through April 30, 2018
New York, Philadelphia and Norfolk -- through April 30, 2018

More Info:

Recent right whale sightings

Download the Whale Alert app for iPad and iPhone

Acoustic detections in Cape Cod Bay and the Boston TSS

Send a blank message to receive a return email listing all current U.S. DMAs and SMAs.

Details and graphics of all ship strike management zones currently in effect.

Reminder: Approaching a right whale closer than 500 yards in a violation of federal and state law. 

Please report all right whale sightings to 866-755-NOAA (6622).

Questions? Contact Jennifer Goebel, Regional Office, at 978-281-9175