The voluntary vessel speed restriction zone (Dynamic Management Area - DMA) previously established south of Nantucket has been extended to protect an aggregation of 19 right whales sighted in this area on February 17.
This DMA is in effect through March 5, 2019.
Mariners are requested to route around this area or transit through it at 10 knots or less.
Nantucket DMA coordinates:
41 12 N
40 28 N
070 36 W
069 31 W