April 9, 2021 — The following was released by NOAA Fisheries:
NOAA Fisheries announces a Slow Zone east of Boston. On April 8, 2021 an aggregation of right whales was detected east of Boston, MA by the NOAA North Atlantic Right Whale Sighting Survey. This right whale Slow Zone is in effect immediately through April 23, 2021.
Mariners are requested to route around this area or transit through it at 10 knots or less.
Slow Zone Coordinates:
East of Boston, MA, April 8 – April 23, 2021
42 39 N
41 54 N
070 08 W
071 06 W
See the coordinates for all the slow zones currently in effect.