Yesterday, we ended up going to Casitas at about 3pm after a disastrous day in the stock markets. The water was cold though...about 18 c...but the air was about 42 c.
Casitas is just north of the Tamarindo estuary.
What has been occurring is that winds are flowing across the from the east and picking up heat from the ground. These winds have been very gusty to over 50 km/ph and some days it feels like a blast furnace out there.
But the winds are causing a major upwelling. Generally the coastal water has warmer (less dense) water on the surface and cooler (more dense) water below. A wind blowing offshore can push the surface water along with it; colder water from below replaces the surface water, a process called upwelling. Conversely, an onshore wind can transport the warm surface water shoreward pushing the cold water below, a process called downwelling.
Anyways, other than that, the waves are excellent and have been for some time now.
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