Follow the edges, not the crowd.
Use shelter, vegetation, and changing depth to plan a thoughtful approach.

Find a transition
An edge can be a boundary between weeds and open water, shallow and deep water, or shade and sunshine. Treat each as a place to investigate. Look for a safe position where you can control your line without disturbing other anglers or wildlife.
Understand the presentation
Wind and current affect where a float or lure travels after the cast. Watch the line and consider whether the bait is moving naturally or being dragged out of position. A shorter cast can be more useful than a longer one if it gives you better control.
Give a spot a fair trial
Try a few deliberate angles and depths rather than repeating one cast without watching the result. Change one variable at a time. If you keep snagging, reassess the depth, presentation, and position instead of casting harder into the same obstruction.
Stay on safe ground
Never follow a promising-looking current into water you do not understand. Consider footing, changing levels, and your route back. Check access permissions and local restrictions before settling into a spot.
Check current licences, access, seasons, and fish-handling guidance with the relevant local fisheries authority. Adapt the trip to your experience and conditions.