Similan Islands Surf Forecast and Surf Reports

(Andaman Sea, Thailand)

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Similan Islands Surf Guide

Similan Islands in Andaman Sea is an exposed beach break that has inconsistent surf. May-Oct (Dry Season) is the best time of year for waves. Offshore winds are from the east. Tends to receive a mix of groundswells and windswells and the ideal swell direction is from the west. The beach breaks offer lefts and rights and in addition there are both left and right reef breaks. Even when there are waves, it's not likley to be crowded. Take care of the strong rips here.

Similan Islands Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	2	inconsistent	31.1°C*ocean temperature recorded from satellite

Surfing Similan Islands:

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

Hourly Forecast

16 Day Forecast

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

decemberBest Season: winter

The best time of year for surfing Similan Islands with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of December. Clean surfable waves are typically found 64% of the time in December while 15% of the time it tends to be blown out. For the remaining 21% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

64%

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

blown out

15%

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

too small

21%

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

Explore Similan Islands Location Map

Interactive Similan Islands 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 Similan Islands is Phuket International Airport (HKT) in Thailand, which is 91 km (57 miles) away (directly). The second closest airport to Similan Islands is Trang Airport (TST), also in Thailand, 248 km (154 miles) away.

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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.

Similan Islands Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Wednesday, 6 May 2026, 11:05 Local Time

m, °C	Wednesday 06
ft, °F	10AM	1PM	4PM	7PM
Wave (m)	SW	SW	SW	SW
Period (s)	16	16	16	16
Wind (km/h)
Wind State	glass	glass	on	cross- on

Tides at Similan Islands

Current tide and informaton

For Similan Islands, 0 km from Similan Islands.

Next High Water: 12:22pm | 1.97m

Next Low Water: 06:47pm | 0.44m

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

Similan Islands Sea Temperature

Sunny with very warm air temperatures, feeling like 29.0 °C once we account for any wind. Sea temperatures (31.1 °C) very warm too. Staying comfortable in the water at Similan Islands won't be a problem, but wear at least a rash-vest to keep the UV off.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 31.1°C*ocean temperature recorded from satellite