How to catch the coolest coastal breezes on the Bay: A scientific guide
Briefly

The Bay Area experiences hot summer days, often reaching 90 degrees and beyond until September. The region's unique geography enables sea breezes to mitigate high temperatures, as coastal areas remain cool due to nearby Pacific waters. Inland parts of California heat up more significantly, often seeing a 40-degree temperature difference within a 40-mile distance. Hot inland air creates areas of low pressure, drawing in cooler, denser air from the ocean, which cools off individuals and enhances comfort by wicking away sweat as it evaporates.
The unique geography of the Bay Area means finding relief from hot temperatures is easier due to afternoon sea breezes generated by the mix of chilly waters and hot inland areas.
On sweltering summer days, places near the Pacific coast stay fresh, with ocean temperatures hovering in the 50s, while inland areas can reach triple digit heat.
It's not unusual to see a 40 degree temperature range in 40 miles in the Bay Area; as you move inland, temperatures increase significantly.
The cooling sea breeze not only replaces hot air with cooler air but also refreshes body heat by wicking away sweat through evaporation.
Read at www.mercurynews.com
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