That is a great question! With the water temperature being that high, the water gets depleted of oxygen and the gamefish will move to an area that is cooler with a higher dissolved oxygen content. Catfish and sharks can handle lower oxygenated water, so they would stay in the area longer.
The first thing you should do is locate an area with cooler water. The closest deep water to that flat or area will have more oxygen. Areas with better tidal flow will move cooler water in with the tide and will have more oxygen, like passes. You can also fish areas that block the sun and provide shade. Docks, bridges and deeper mangrove shorelines are great places to provide cooler water and a place where gamefish will spend hot summer days. Fishing at night or early in the morning when the water temperatures are low is another option. Even after a light rain, the water temperatures will be lower. The only bad thing about rain (when its heavy) the salinity will change and the water many times will become cloudy and stirred up which also can change the dissolved oxygen content. Hope this helps you find some better locations to fish when it is hot.
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