Treasure Island Surf Guide

Treasure Island in Banyak Islands is a reasonably exposed reef break that has quite reliable surf. May-Oct (Dry Season) is the best time of year for waves. Works best in offshore winds from the southwest. Tends to receive distant groundswells and the best swell direction is from the south. There is a right breaking reef. Good surf at all stages of the tide. Relatively few surfers here, even on good days. Take care of rocks in the line up.

Treasure Island Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Reef5fairly consistent
30.4°C*ocean temperature recorded from satellite

Surfing Treasure Island:

The best conditions reported for surf at Treasure Island occur when a South swell combines with an offshore wind direction from the Southwest.

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

julyBest Season: summer
The best time of year for surfing Treasure Island with consistent clean waves (rideable swell with light / offshore winds) is during Summer  and most often the month of July. Clean surfable waves are typically found 10% of the time in July while 10% 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
10%
Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.
blown out
10%
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 Treasure Island Location Map

Interactive Treasure Island 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 Treasure Island is Binaka (Gunung Sitoli) Airport (GNS) in Indonesia, which is 115 km (71 miles) away (directly). The second closest airport to Treasure Island is Polonia (Medan) Airport (MES), also in Indonesia, 216 km (134 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)
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Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Treasure Island Surf Forecasts:
Todays Surf Summary
Wednesday, 6 May 2026, 02:49 Local Time
TueWednesday 06
10PM1AM4AM7AM
Wave (m)
0.8
SW
0.9
SW
1.1
SW
1.1
SW
Period (s) 16 16 16 16
Wind (km/h)
10
5
5
5
Wind State cross-
off
cross-
off
glass glass

Swell History at Treasure Island

Surf stats for Treasure Island, see the swell variation by month or season on the history page here.

Wind History at Treasure Island

Wind stats for Treasure Island, see the variation in direction and stength by month or season on the history page here.

Treasure Island Reviews:

Interactive Porthcawl Point location map. View nearby buoy information, live wind conditions and surrounding roads, paths and locations to help find new breaks. Click the buoys or wind icon to view more information.

Ratings
Based on 3 votes.
  • Overall:5.0
  • Quality on a good day:4.7
  • Consistency of Surf:3.7
  • Difficulty Level:3.3
  • Wind and Kite Surfing:2.0
  • Crowds:4.3
  • ...

See all 18 ratings


Review
Impartial reviews submitted by Surf-Forecast users.
JEZZA southerndog from Australia
“Was thinking this Steve may think like me? Everything was great, too good to say the least and like Steve I was going to give a shit report to deter surfers from the area, but that's not my style.

1) Yes its not Bali so don't expect Benchongs and night crawlers like Steve missed.
2) It's an adventure like a good old Indo trip once was yet you get a great host (Brad), great lodgings, to much food that even 6hrs a day in the water wont help wear off, great waves that offer enjoyment or one certain left that may stain ya boardies, again it's not about how hard you hit but how hard can you be hit(anyone for the left)??
3) We came across smoking waves that no one surfed?? As what's in front of BRADS camp why bother surfing anything else. I mean hop out of ya mozzi proof bed and within 5 mins you can tuck into your first pit for the day while the lazy ones sleep, perhaps a down fall for some like old mate Steve as there's no one to watch you and no chicks to say how good you ripped that Gunters pit??
4) Fishing well if you don't like catching Tuna or GTs just surf or drink a frostie Bintang on the deck as ya mates get dinner.
5)From a camp host meeting you at Medan airport then guiding you to the island for your fill of waves what can I say, how easy and well organised can Brad make it for you?? Reverse for the trip home yet Brad puts you into Medans best hotel for a night before you fly home.

NOW FOR THE BAD SHIT

1) I ate to much??
2) I watched the best surfer on the island snap his best shooter.
3) I stubbed my toe (kidding)Im struggling to find stuff I would whine about.
4) YES I had a frozen beer,I knew there was something.
5) If I knew our last night was shouted in the Marriott I would have put my smoking jacket in my board bag.

GET FACTS RIGHT: Brad runs Banyak bungalow's and we were the 3rd guests. Brads camp has nothing to do with the Banyak lodge.
Thanks Brad if you have it happening like this after 3 groups it scares me what I will face in 2yrs when I go back, Shit there may be Steve under a tanning light and more than 5 guys in the water arrrrrrrrrrrrr I should have given a shit report. Truth is if it was shit I would let the world know. Thanks mate and to the rest of you get ya ass over there.
Jezz the southern dog”

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