Surf forecastStatisticsHistorical report

Adonis seasonal overview

Best Surf Season (March - April & November)

The transition months between the northeast and southwest monsoons deliver the most consistent quality at Adonis. During March and April, the weakening NE trades give way to a more variable wind regime, with offshore flows from the NW quadrant becoming frequent. Swell directions shift firmly into the S-SSW-SW window, firing the reef with clean, long-period groundswell. November sees a similar setup as the SW monsoon retreats, bringing a high percentage of offshore NW winds and powerful SSW-SW swell. These months offer the best balance of groomed faces and punchy wave heights.

Fair Surf Season (February, May, September, October, December)

February and December still see a mix of NE and E wind patterns but benefit from occasional NW offshore breaks and solid S-SSW swell. September and October sit in the heart of the SW monsoon; while swell is plentiful from the south, the prevailing W to WSW onshore flow often chops up the surface. May is a similar story – the SW monsoon is becoming established, bringing decent size but ruining quality with onshore winds a majority of the time. These months require patience to pick the right window.

Low Surf Season (January, June, July, August)

January is locked into the northeast monsoon with dominant NE winds and swell from the E-ENE quadrant – both poor for Adonis. The small, short-period E swell barely reaches the reef, and the NE winds create bumpy, unrideable conditions. During June, July, and August, the southwest monsoon peaks, delivering plenty of S-SSW swell but almost constant onshore W to WSW winds. The wave heights can be fun-sized but the texture is often messy, making it hard to find a clean wall. These months are best left to the brave or the boat-chasing crew.

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Conditions at Adonis in May

May: Monsoon Onset

May sees the establishment of the southwest monsoon, and the wind picture flips dramatically. Onshore W (28.6%) and WSW (32.5%) together dominate at over 60%, while offshore NW winds dwindle to just 1.8%. Ideal wind drops to 36%. However, the swell reaches peak size with an average height of 1.4m and a period of 11.0s. Swell direction is almost entirely from S (18.7%), SSW (28.4%), SW (27.2%), and WSW (19.5%) – right in the optimal range. So there is plenty of powerful, long-period swell, but it's often ruined by the strong W to WSW onshore winds that chop up the face. Only when a rare NW wind sets in can you expect clean, epic waves at Adonis.

Average Spot conditions at Adonis in May

Swell history for May

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

Wind history for May

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

Swell quality

Analyze the groundswell consistency at Adonis during May. 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 Adonis for your next trip in May.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Adonis for May. 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 Adonis.

Swell with good wind

Swell with good wind by size