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 surf spot in Guanacaste by day
Top-rated of 8 spots each day
SunSep 13Playa Grande★★★★★6.0ftMonSep 14Top pickPlaya Grande★★★★★6.7ftbest 9pmTueSep 15Playa Grande★★★★★6.8ftWedSep 16Playa Grande★★★★★6.4ftThuSep 17Playa Grande★★★★★6.1ftFriSep 18Playa Grande★★★★★5.4ftSatSep 19Playa Grande★★★★★5.8ftSunSep 20Playa Grande★★★★★5.9ftbest 6pmMonSep 21Playa Grande★★★★★5.9ftTueSep 22Nosara (Playa Guiones)★★★★★6.6ftbest 6pmWedSep 23Nosara (Playa Guiones)★★★★★6.5ftThuSep 24Playa Grande★★★★★5.8ftFriSep 25Playa Grande★★★★★7.5ftbest 6pmSatSep 26Playa Grande★★★★★7.3ftbest 6pmSunSep 27Playa Grande★★★★★6.9ftMonSep 28Playa Grande★★★★★7.2ft
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