Surf forecastStatisticsHistorical report

Sunrise seasonal overview

Best Surf Season (May - July)

The heart of the South African winter delivers the most consistent combination of clean conditions and quality swell at Sunrise. As the mid-latitude storm track shifts north, a steady procession of cold fronts spins up in the Southern Ocean, generating long-period groundswells that wrap into the Indian Ocean. During these months, the dominant high-pressure systems park over the interior, funnelling reliable offshore breezes from the WSW through NW for over 50% of the time. Average wave heights hover around 1.8m with periods pushing past 10 seconds, creating punchy, rippable waves that peak in the 1.5-2.5m range. The swell window works best when the fetch aligns from the E through SE, but even the more southerly swells – which dominate the mix – get groomed to perfection by the western quadrant winds. This is the window to score lined-up, offshore perfection.

Fair Surf Season (April & August - September)

April and August to September mark the transitional shoulders where conditions are still decent but less consistent. April sees a good mix of swell directions with the E-ESE combo providing 30% of the energy, but the ideal wind window drops to 33% as the synoptic pattern starts to shift. August and September maintain solid swell heights above 1.8m and periods around 10 seconds, but the percentage of offshore wind slides back to 39% and 26% respectively. During these months, the windows of opportunity are frequent enough for a dedicated session, but you will have to pick your days – the trade-off between swell direction and wind quality becomes more pronounced. Expect fun, clean waves on the right days, but be ready for onshore slop when the wind swings around to the east.

Low Surf Season (October - March)

The summer half of the year is the low season for Sunrise, with ideal offshore winds dropping to between 15% and 23% of the time. While the swell direction is actually favourable – the dominant ENE to SE band delivers the majority of the energy, with heights consistently in the 1.5-2.5m range – the wind is almost always a problem. The Indian Ocean high-pressure cell strengthens and sits to the south, driving persistent E to NE winds that blow directly onshore and ruin the wave face. Wave periods also dip below 9 seconds from December through February, adding chop and messiness to the mix. The rare windows occur when a passing cold front or low-pressure trough brings a brief shift to offshore W-NW winds, often in the wake of a storm. But for the most part, this is a season of small, wind-affected surf where only the most dedicated should bother paddling out.

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Conditions at Sunrise in January

January: The Summer Doldrums

January at Sunrise is the epitome of the low season. The average swell height sits at a moderate 1.7m with a period of 8.8 seconds – rideable, but lacking power. Swell direction is heavily weighted toward the E-ESE band (over 38% of the total), which is right in the optimal window for this east-facing beach. The problem is the wind: a staggering 21.4% of the time blows from the NE, and combined with ENE and NNE, the onshore E quadrant dominates over 50% of the time. The result is a messy, choppy surface that chops the tops off even the best waves. The ideal offshore wind (WSW through NW) barely registers at just 15% of the total – mostly light and variable. When a rare cold front swings through, pulling the wind around to the W-NW, those fleeting moments can clean up the ESE swell and create a few fun corners. But don't expect epic sessions; this is a month for staying sharp on small boards and picking your windows wisely.

Average Spot conditions at Sunrise in January

Swell history for January

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for January

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Sunrise during January. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Sunrise for your next trip in January.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sunrise for January. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Sunrise.

Swell with good wind

Swell with good wind by size