Paddle tail swimbaits are versatile lures that can be effective in a variety of conditions and situations when targeting bass. Here are some appropriate scenarios for using them:

1. Clear to Moderately Stained Water: Paddle tail swimbaits work well in clear to moderately stained water due to their natural appearance and subtle vibration. They can be especially effective in clear water where bass are more visually oriented.

2. Various Depths: Depending on the weight of the jig head you use, paddle tail swimbaits can be fished at different depths. For deeper water, especially in summer when bass are chasing shad, use a heavier jig head to maintain contact with the bottom or to reach suspended fish.

3. Weed Lines and Structure: Fishing along weed lines or near structure can be productive. The swimbait can be retrieved just below the surface or at a depth where it ticks the tops of submerged vegetation or rocks, enticing a reaction strike.

4. Temperature Transitions: Paddle tail swimbaits can be effective during warmer months from spring through fall. They are great for early morning topwater bites when fish are active and can also be used in colder conditions by mimicking bottom-dwelling prey like gobies, sculpin, or crawdads.

5. Wind and Overcast Conditions: Windy or overcast days can be ideal for swimbait fishing as these conditions reduce the visibility for bass, making them more likely to strike at a moving target like a swimbait.

6. Reaction Strikes: When bass are less active or in a neutral mood, a fast retrieve that causes the paddle tail to break the surface can provoke a reaction strike. This is particularly useful when fish are not actively feeding but can be triggered by the sudden movement of the bait.

7. Schooling Fish: In the summer, bass often school and chase baitfish in open water. Paddle tail swimbaits that mimic the size and action of the prevalent forage can be very effective in these situations.

When selecting a paddle tail swimbait, consider the size and color to match the local forage and the conditions of the day. Also, choose the right tackle setup to maximize the effectiveness of the swimbait. A medium-heavy rod with a moderate action tip is recommended to cast these light baits effectively and to handle the hookset with a stouter hook, paired with 17-20 pound fluorocarbon or 20-30 pound braid for the line.

Remember, the key to successful paddle tail swimbait fishing is to match the bait's action and retrieve speed to the conditions and the behavior of the bass on any given day.