Cardiff Reef
Cobble reef at the mouth of the San Elijo Lagoon in Cardiff-by-the-Sea, north San Diego County. The reef shapes a sloping wave that takes both winter northwest and summer south swell.
When it’s on
Cardiff Reef works best on a SSW to WNW swell. Light offshore wind from the east through northeast. Mid to high tide window.
When beginners can paddle out
Small clean swell at waist high or under, light wind, and a mid to high tide on the shoulder away from the main peak.
Spot intel
- Parking
- State beach day-use lot on Coast Highway 101 at the lagoon mouth with a posted fee.
- Crowd
- Thick and generational. Longboard-heavy, and the reef holds a long lineup.
- Beginner-friendly?
Depends.
A sloping reef with a long forgiving wall on a small day, but the cobble bottom is unforgiving underfoot and the lineup runs a tight priority hierarchy.
- Famous for
- The best-known reef of the Cardiff stretch, at the San Elijo Lagoon mouth on Coast Highway 101.
- Lineup etiquette
- Priority on a reef goes to the deepest rider. On a crowded longboard reef, one rider per wave is the working rule.
Where it breaks
- Coordinates
- 33.0140, -117.2820
- Shore faces
- WSW
- Region
- Encinitas / Cardiff, California
Common questions
- What swell direction is best for Cardiff Reef?
- Cardiff Reef works best on a SSW to WNW swell.
- How big does Cardiff Reef need to be?
- Cardiff Reef is best in the 2-8ft range on a 12-20s period.
- What are the best conditions at Cardiff Reef?
- Light or offshore wind under about 8 knots, with the tide around 2-5ft.
- Where is Cardiff Reef?
- Cardiff Reef is a sloping longboard reef in Encinitas / Cardiff, California. The beach faces WSW.
- Does GhostFingers forecast Cardiff Reef?
- Yes. GhostFingers grades Cardiff Reef with a six-tier verdict from swell height, period, direction, tide, and wind. iPhone, winter 2026.
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