St Martin Surf Break

Lat Long: 20.51° S 57.40° E

St Martin WaveFinder

Issued: 9 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's St Martin sea temperature is
24.7°C
1.9° 

St Martin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


St Martin surf forecast from 29 Aug 2026:

  • Best quality surf: Saturday 5 Sep, 7AM (local time) - 4ft (1.2m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 4PM (local time) - 13ft (4.0m), 15s period, S swell with 6,499 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 7AM (local time) - 4ft (1.2m), 15s period with SW swell.

Best Forecast Surf Conditions for St Martin this week:

The surf forecast for St Martin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 7AM. The primary swell is predicted to be 1.2m and 15s period with a secondary swell of 0.8m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at St Martin in the next 16 days are 4.0m 15s and forecast to arrive on Saturday (Aug 29) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Monday (Aug 31) at 4AM.

Wave TypeTime (+04) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sat 5th Sep)4ft (1.2m) 15s
Best Surf 7AM (Sat 5th Sep)4ft (1.2m) 15s
Most Powerful 4PM (Sat 29th Aug)13ft (4.0m) 15s

Table - best surf conditions forecast for St Martin over the next 16 days.


  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 
Nearest locationNearest