I guess you are just getting to CR today! Congrats! Have a great trip! If you are checking this at all...make sure you make it down to Nosara (only 2 hours from Tamarindo). Check out www.SurfingNosara.com for all Nosara info, vacation rentals and daily surf reports and photos!
Also go down to Hermosa. Being from the OBX you will appreciate the heavy beach break wave...you'll feel right at home like it's S turns!
You can check surf reports for 7 regions/breaks in Costa Rica at www.surfingcostarica.net. All reports are submitted by locals from each area and have daily surf photos as well. Check it out...great for research and figuring what spot is firing! Have a great trip!