SwellByte

Guanacaste Surf Forecast

Free surf forecast for Guanacaste, Costa Rica — 8 surf spots. Wave height, swell, wind, tide and live buoy conditions with a 16-day outlook, no subscription, updated daily on SwellByte.

Best spot in Guanacaste by day

Top-rated of 8 spots each day

Surf spots in Guanacaste

Monthly conditions in Guanacaste

How often each surf size shows up by month, 2020–2024, measured near Tamarindo. Bars fill from the bottom by the share of days reaching each surf size; white at the top is smaller days. The percentage is the chance of a surfable day.

2–4ft4–6ft6–8ft8–12ft12ft+
Jan
100%
Feb
98%
Mar
95%
Apr
99%
May
100%
Jun
100%
Jul
99%
Aug
100%
Sep
100%
Oct
99%
Nov
100%
Dec
96%
Swell period
14s
15s
15s
15s
15s
13s
14s
13s
13s
13s
13s
13s
Water temp
83°F
83°F
85°F
85°F
87°F
86°F
85°F
85°F
86°F
85°F
83°F
83°F