Rock island 66.7
#2594 of 5756 surf spots in the world · 🇵🇭 Philippines · Surigao del Norte · near Surigao
Very consistent, wind is the enemy here, no off season.
Best time to surf Rock island
The best time to surf Rock island is April, September, October. It rarely works. In October the water sits around 30°C, so pack boardshorts, and the typical wave is 1.0 m. The nearest airport is CEB (247 km) and the nearest town is Surigao (75 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 100% | 1% | 1.7 m | 29°C | boardies |
| Feb | 100% | 2% | 1.5 m | 28°C | boardies |
| Mar | 100% | 1% | 1.2 m | 28°C | boardies |
| Apr | 100% | 7% | 1.1 m | 29°C | boardies |
| May | 90% | 3% | 0.8 m | 30°C | boardies |
| Jun | 52% | 1% | 0.6 m | 30°C | boardies |
| Jul | 68% | 2% | 0.7 m | 30°C | boardies |
| Aug | 61% | 5% | 0.7 m | 30°C | boardies |
| Sep | 82% | 13% | 0.8 m | 30°C | boardies |
| Oct | 99% | 18% | 1.0 m | 30°C | boardies |
| Nov | 100% | 7% | 1.2 m | 30°C | boardies |
| Dec | 99% | 2% | 1.5 m | 29°C | boardies |
What is under Rock island
Eight kilometres out along its swell window the sea floor drops to 104 m, shoaling steadily over the last kilometres.
Measured, not estimated: NOAA ETOPO 2022 global relief at 15 arc-seconds, about 460 m per cell, sampled along this spot’s own swell window. At that scale the survey sees passes and channels; it cannot see a reef ledge, so nothing here is said about how the wave breaks.
Why 66.7
Seven parts, each normalised 0 to 1 and multiplied by its weight; the sum is scaled so the best spot in the world scores 100. Wave quality and what the spot does on its best days carry more than half of it, which is what separates this from a ranking of where the water is warm.
The detail
Faces 95° with 72% open water around it. Friendly morning wind 55% of days. Mean peak period 9.4 s. Days over 3 m: 0%. On its best tenth of days it reaches 1.8 m, with a peak period of 11 s. Mellow days (0.4 to 1.2 m): 62%. Months that work: 12 of 12. Coordinates 9.792, 126.171 (OpenStreetMap).
What it costs to be here
Remote spot, so the local estimate is 15% below the country average. Estimate: World Bank PPP price level for Philippines (2025, United States = 1.00) applied to a fixed surfer basket, then adjusted for how remote the spot is. Your own number moves with the season and how you live.
Sumba has eight spots in this ranking, the best of them inside the world top 50. A cabin is €11,500. The land it sits on is separate, from €6,500 (€9,950 oceanfront), on an 80-year lease that extends at the end. Water, septic and electricity are another €6,500, and furniture is on top, so a finished cabin lands around €28,000 plus the land, payable in instalments.
Eco Beach City is run by the same people as SurfRanking, so treat this as our own advert, not a recommendation. It is an off-plan property in Indonesia: take your own legal and financial advice before paying anything.
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