Ostional Surf Forecast and Surf Reports

(Guanacaste, Costa Rica)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
- Live Weather
- Surf Webcam
Weather State
Spot Information

Ostional Surf Guide

Ostional in Guanacaste is an exposed beach break that has very reliable surf Works best in offshore winds from the east. Groundswells are more common than windswells and the ideal swell direction is from the west northwest. Waves at the beach break both left and right. Rarely crowded here. Dangerous rips are a hazard of surfing here.

Ostional Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	3	very consistent	30.1°C*ocean temperature recorded from satellite

Surfing Ostional:

The best conditions reported for surf at Ostional occur when a West-northwest swell combines with an offshore wind direction from the East.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Ostional (for consistent clean waves)?

januaryBest Season: winter

The best time of year for surfing Ostional with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of January. Clean surfable waves are typically found 16% of the time in January while 4% of the time it tends to be blown out. For the remaining 80% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

16%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

80%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Ostional Location Map

Interactive Ostional surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Ostional is Nosara Airport (NOB) in Costa Rica, 12 km (7 miles) away (directly). The second nearest airport to Ostional is Daniel Oduber Quiros International (Liberia) Airport (LIR), also in Costa Rica, 66 km (41 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Ostional Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 01:49 Local Time

m, °C	Mon	Tuesday 05
ft, °F	9PM	0AM	3AM	6AM
Wave (m)	SW	SW	SW	SW
Period (s)	16	16	16	16
Wind (km/h)
Wind State	cross- off	glass	glass	cross- off

Tides at Ostional

Current tide and informaton

For Marbella, 5 km from Ostional.

Next High Water: 04:54am | 2.11m

Next Low Water: 10:51am | 0.5m

NEXT	IS AT (local time)	remaining
high tide
low tide

Ostional Sea Temperature

Very warm air temperatures and very warm water(30.1 °C) too at Ostional, warm enough for wearing board shorts and a rash vest in the surf. Cloudy, but feeling very pleasant in and out of the water.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 30.1°C*ocean temperature recorded from satellite