The state’s Department of Fish and Wildlife said in a statement the closure is meant to reduce entanglement risk to the whales as they forage off the Golden State’s coast.
Starting in November, anglers will be able to fish year-round in stretches of two rivers close to the Yellowstone National Park gates in West Yellowstone and Gardiner.
Monday’s order prevents the Lummi Nation from opening a crab fishery east of Whidbey Island in Puget Sound because there's no evidence that the tribe historically fished there.
Fishing organizations and guides recommend that, even on rivers without restrictions, anglers limit their fishing to early morning to keep Montana’s trout populations strong and healthy.
While most rivers are still managing to stay somewhat cool, water levels have dropped significantly in the Bitterroot, Beaverhead, Jefferson and rivers, causing them to heat more during the day.