2023 marked the Gulf of Maine as the fifth-warmest year on record, with a 2°F above normal sea surface temperature.

2023 saw the sea off New England have one of its hottest years, part of a global warming trend. The Gulf of Maine, abutting New England and Canada, experienced an annual sea surface temperature 2 degrees Fahrenheit above normal, making it the fifth-warmest year on record. The Gulf of Maine has been a key example of ocean warming in recent years, with the trend driven primarily by climate change.

April 29, 2024
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