long range engagement against a moving target is not a very easy task for instance Tomahawk Block IV has two-way satellite communications which is simply reprogram the missile in flight to a new aimpoint.
Of course you don't blindly send salvos of missiles and expect them to find their targets. Even at maximum speed the enemy fleet would be inside a 60NM radius region from their original positions, some of them would be wounded or would be staying near their original position to help their survivors.
To put things into perspective: At high subsonic speeds that area is not that big. If you fly as a passenger 60 NM is usually the last 15 minutes of flight from destination with a much slower speed. If the aircraft is not slowing down, flying straight at ~Mach 0.78, it's less than 10 minutes.
Many methods could be used to locate those ships, including manned aircraft, UAVs, satellites etc., maybe new methods can be programmed into some Gezgins and cause them to survey the area by inter-weapon datalink and swarm algorithms. The coordinates may be relayed to Gezgins via one way datalink (via HF, Satellite broadcast etc) so it's not detected easily.
The point is to have a long powerful second strike capability against enemy fleets so they think twice before attacking. In history Ottoman fleet was destroyed many times, causing wars and territory to be lost afterwards.. In recent times, they tried to destroy it in courts too. We must never allow it to happen again.