Praia do Calhau Surf Forecast and Surf Reports

(Maranhão, Brazil)

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Praia do Calhau Surf Guide

Praia do Calhau in Maranhao is an exposed beach break that has quite consistent surf Ideal winds are from the south with some shelter here from east winds. Waves just as likely from local windswells as from distant groundswells and the ideal swell direction is from the north. The beach breaks favour rights. Best around high tide when the tide is rising. Rarely crowded here.

Praia do Calhau Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	2	fairly consistent	29.1°C*ocean temperature recorded from satellite

Surfing Praia do Calhau:

The best conditions reported for surf at Praia do Calhau occur when a North swell combines with an offshore wind direction from the South.

Hourly Forecast

16 Day Forecast

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

februaryBest Season: autumn

The best time of year for surfing Praia do Calhau with consistent clean waves (rideable swell with light / offshore winds) is during Autumn and most often the month of February. Clean surfable waves are typically found 4% of the time in February while 28% of the time it tends to be blown out. For the remaining 68% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

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

blown out

28%

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

too small

68%

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

Explore Praia do Calhau Location Map

Interactive Praia do Calhau 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 nearest passenger airport to Praia do Calhau is Marechal Cunha Machado (Sao Luis) Airport (SLZ) in Brazil, which is 12 km (7 miles) away (directly). The second closest airport to Praia do Calhau is Senador Petronio Portella (Teresina) Airport (THE), also in Brazil, 329 km (204 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.

Praia do Calhau Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 01:42 Local Time

m, °C	Wednesday 06
ft, °F	0AM	3AM	6AM	9AM
Wave (m)	NE	NE	NNE	NE
Period (s)	7	7	6	6
Wind (km/h)
Wind State	cross- on	cross- on	cross- on	cross- on

Tides at Praia do Calhau

Current tide and informaton

For Sao Luis, Brazil, 5 km from Praia do Calhau.

Next High Water: 09:40am | 4.96m

Next Low Water: 03:28am | 1.05m

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

Praia do Calhau Sea Temperature

Very warm air temperatures and very warm water(29.1 °C) too at Praia do Calhau, 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*: 29.1°C*ocean temperature recorded from satellite