You'll find Flesheaters north of this location and "Marsh Murloc"s south of it, so you'll have to go in both directions to get all the updates.
After you're done, turn in Threat from the sea, turn in the follow up at the little camp, then come to Katar and accept Continued Threat, but don't do it now. You'll do it later.
If you're not 42 yet, go to step 6 and gridn there. IF you are, go to Stranglethorn Vale and start circuit 5