General
marine layer
What does marine layer mean?
A thick layer of cool, damp cloud and fog that drifts inland from the Pacific along the California coast.
"The marine layer won't burn off until noon."
Origin
Meteorological term in everyday coastal California use.
Frequently asked questions
What is the marine layer?
The marine layer is a mass of cool, moist air topped with low cloud and fog that forms over the ocean and pushes inland along the California coast.
What does 'burn off' mean with the marine layer?
It means the sun eventually warms and dissipates the fog, usually by late morning or midday, revealing clear skies.
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