Masters and University of Miami tropical meteorologist Brian McNoldy said while the hot temperatures do fit with what's happening around Florida, Monday's reading may not be accepted as a record because the area is shallow, has sea grasses in it and may be influenced by warm land in the nearby Everglades National Park. Bleaching, which doesn't kill coral but weakens it and can lead to death, occurs when water temperatures exceed the upper 80s (low 30s Celsius), Enochs said. But 'now we've reached the point where it's become routine,' Enochs said. Until the 1980s, coral bleaching was mostly unheard of. This comes on top of bleaching seen last week by the University of Miami, when NOAA increased the alert level for coral earlier this month. Every single coral colony was exhibiting some form of paling, partial bleaching or full out bleaching.' NOAA researcher Andrew Ibarra, who took his kayak out to the area, 'found that the entire reef was bleached out.

The consequences for sea corals are serious.

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'We've never seen a record-breaking event like this before,' Masters said. If verified, the Monday reading would be nearly 1.5 degrees Fahrenheit higher than what is regarded as the prior record, set in the waters off Kuwait three summers ago, 99.7 degrees Fahrenheit (37.6 degrees Celsius). That's what was recorded yesterday,' said Yale Climate Connections meteorologist Jeff Masters. 'That is a potential record,' Rizzuto said.

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The night before, that buoy showed an online reading of 100.2 F (37.9 C). But the buoy at Manatee Bay hit 101.1 degrees Fahrenheit (38.4 degrees Celsius) Monday evening, according to National Weather Service meteorologist George Rizzuto. Scientists were careful to say there is some uncertainty with the reading. The warmer water is also fuel for hurricanes. Climate change has set temperature records across the globe this month. Scientists are already seeing devastating effects from prolonged hot water surrounding Florida - coral bleaching and even the death of some corals in what had been one of the Florida Keys' most resilient reefs. Meteorologists say it could be the hottest seawater ever measured, although some questions about the reading remain.

The water temperature around the tip of Florida has hit triple digits - hot tub levels - two days in a row.

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