You may be tempted to get to the beach this week as the temperatures rise — today is going to be the warmest in San Francisco, while the rest of the Bay Area should be sweltering by tomorrow and Thursday as we cool off — but across the Bay Area coastline there may be hazardous conditions.

Temperatures will be dropping at night this post-holiday weekend and staying cold into next week, and there's an increased risk of dangerous sneaker waves at Bay Area beaches.