Cape St Martin
Pull to refresh
Swl 2
0.8ft 10s.
7kJ
Swl 1
3.3ft 12s.
149kJ
Wnd
19mph
27mph
Hourly Forecast
Timezone: Africa/Johannesburg
⏱️s.
⚡️kJ
🔮
🌒
Join Surfnerd+ to check
weekend forecasts
Wednesday 3
Thursday 4
Friday 5
Saturday 6
Sunday 7
Monday 1
to unlock wave energy
Tap any forecast cell to see the forecast arrows update on the map.
Surfnerd Logo
Join Surfnerd for free to check this forecast
Join Surfnerd to check forecasts, set your homespot, save and create spots and log your surf sessions.
Sign up with Google

Cape St Martin surf guide

Cape St Martin is a surfing spot located just out on the point from Britannia Bay. It's a good place for surfers looking for a fun left wave and a bit of space. Compared to Elands Bay, you can expect less crowding here, which can make for a more enjoyable session. The waves usually need a decent swell to really get going, so be prepared for that.

The surf at Cape St Martin works best with swell coming from the SouthWest or West. It can handle swell sizes starting from 2 ft (about 0.6 meters), but be mindful that the waves can often be quite sectiony. The preferable wind direction is from the SouthEast, and it’s best to hit the water during low to mid tide. This spot is ideal for intermediate surfers who are comfortable riding lefts over a rocky ledge.

When considering the best time to surf, keep in mind that this spot often produces better waves when the swell is strong enough, so checking the forecast before you head out is a good idea. Enjoy your time at Cape St Martin!

Surf reports and surf forecasts nearby Cape St Martin

Caravan Park
Western Cape, South Africa
Beach break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Garbage Dump
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Farmer Burger's
Western Cape, South Africa
Reef break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Cape St Martin
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Stompneus
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Treskostraal
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Perlemoen Bay
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Baboon Point
Western Cape, South Africa
Reef break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
The Point - Elands Bay
Western Cape, South Africa
Point break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Jacob's Bay
Western Cape, South Africa
Reef break
Wed 30
Thu 31
Fri 1
Sat 2
Sun 3
Mon 4
Tue 5
Wed 6
Thu 7
Fri 8
Sat 9
Sun 10
Surfnerd Logo
Join Surfnerd+ and get:
  • Weekend
    + weekday forecasts
    (vs weekdays only)
  • 12-day
    forecast range
    (vs 5-day)
  • 1-hour
    forecast steps
    (vs 3-hour)
  • Wave energy
    metric
    (power rating)
  • Secondary & tertiary
    swells
    (complete picture)
"Great Forecasts. Nothing more, nothing less."

Readme

Welcome! If you’re new to surf forecasting, check out this quick guide.

Forecast Cheat Sheet

Short on time? Focus on wave energy. It’s the best single metric to gauge how big and powerful the waves will be.

Click any table cell to jump to that forecast hour. The map will update with forecast arrows, so you can see if wind and swell direction are lining up.

Use the table sidebar to switch units for height and speed.

Log your surf sessions to compare forecasts with real sessions and sharpen future predictions.

On the map, click a metric label to bring that arrow to the front — handy when arrows overlap.

Models and Updates

Surfnerd blends multiple global and local wind and swell models using advanced interpolation and spatial techniques to create an "ensemble" forecast. Forecasts are refreshed hourly.

Surf Predictions

Our AI-driven algorithm scores surf quality, shown by green, orange, and gray dots. Each forecast hour is rated for wind, swell, and tide quality, then combined into an overall score. Here’s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm — the more you log, the smarter your forecasts get.

With Surfnerd, no more "you should have been here yesterday"

Wind certainty

Wind certainty tells you how much the weather models agree on the forecast.

  • High certainty: Models agree closely; forecast is reliable.
  • Medium certainty: Some disagreement; conditions may shift slightly.
    • Low certainty: Models diverge; treat forecast with caution.

We calculate this by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

Login to do spot actions