Surf forecastSpot statisticsHistorical report

Ral Island seasonal overview

Ral Island in Papua New Guinea offers surfable conditions year-round, though the best months for quality waves are from November to March. During this period, ground swell dominates (48-56% of the time), providing more consistent and powerful waves with mean swell sizes ranging from 0.7 to 1.0 meters. December and January are particularly good, with ground swell peaking at 55-56% and decent swell sizes. Wind conditions, however, are less favorable, with bad winds occurring 64-83% of the time, making offshore winds rarer but still possible. April and October are transitional months with a mix of ground and wind swell, but wind conditions improve slightly (29-35% good winds). Swell size drops to 0.6-0.7 meters, making them decent but not ideal for advanced surfers. From May to September, conditions deteriorate significantly, with low ground swell (2-20%), frequent flat spells (34-48% no swell), and small waves (0.5-0.6 meters). Wind conditions remain mostly poor, further reducing surf quality. For the best experience, target late November through early March when ground swell is strongest, despite challenging winds. If you prioritize cleaner conditions over wave power, April and October offer a compromise with slightly better winds and manageable swell. Avoid mid-year (May-September) when weak swells and onshore winds prevail.

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Conditions at Ral Island in March

March at Ral Island offers generally moderate surf conditions with a typical swell height of 1.0m and a solid average period of 10.4s, indicating consistent, well-formed waves. The dominant swell direction is from the NNE, contributing to 27.6% of waves in the 0.5-1m range and 10.5% in the 1-1.5m range, while smaller contributions come from NNW and NE. Larger swells (1.5-2.5m) are infrequent but possible, mainly from W and WSW, though these are less common. Wind conditions are variable, with only 23% of winds being favorable for surfing (light to moderate offshore or cross-shore). The ENE and E winds often bring stronger gusts (20-30kph or higher), which can create choppy conditions. Overall, March delivers rideable waves with decent energy, but wind quality is inconsistent, requiring patience for optimal sessions. Expect mostly waist-to-chest-high waves, with occasional larger sets when W/WNW swells arrive.

Average Spot conditions at Ral Island in March

Swell history for March

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

Wind history for March

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

Swell quality

Analyze the groundswell consistency at Ral Island during March. 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 Ral Island for your next trip in March.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Ral Island for March. 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 Ral Island.

Swell with good wind

Swell with good wind by size