Stardew Valley fishing depends on more than location. Fish availability can change with season, weather, body of water and time of day, so a useful fishing plan starts by checking all four before you spend a full day at one spot.
Fishing checklist
- Check the current season.
- Check whether the fish needs rain or clear weather.
- Confirm the correct water location.
- Confirm the active time window.
- Use skill, bait and tackle when a catch is difficult.
Plan around bundles
If Community Center progress is the goal, prioritize fish that are both season-limited and bundle-relevant. Missing one seasonal window can delay completion much more than catching an always-available fish later.
Make hard catches easier
Fishing skill, better rods, bait and tackle can reduce the difficulty of demanding catches. If one fish feels impossible, it may be more efficient to improve your fishing setup first instead of repeating the same attempt with starter equipment.
Use the calendar together with fishing
The Calendar helps you avoid wasting a rare weather day on another task when a seasonal fish is a higher priority. Treat rain, season and time windows as scheduling constraints.
Source: Stardew Valley Wiki — Fishing.