Cape Northumberland 83.7
#1502 of 5753 surf spots in the world · 🇦🇺 Australia · South Australia · near Mount Gambier
Works almost every day, no off season, real size comes through.
Works all yearBig waveRemoteAdvanced
Surf score83.7 /100
Surfable days91% of the year
Clean days34% groundswell + friendly wind
Groundswell79% period 11 s+
Typical size2.5 m 8.2 ft median
Water16°C a 4/3 with boots
Best time to surf Cape Northumberland
The best time to surf Cape Northumberland is April, May, June. The season runs Apr to Jun. In June the water sits around 16°C, so pack a 3/2 wetsuit, and the typical wave is 2.6 m. The nearest airport is MEL (370 km) and the nearest town is Mount Gambier (27 km).
| Month | Surfable | Clean | Size | Water | Suit |
|---|---|---|---|---|---|
| Jan | 99% | 25% | 2.2 m | 16°C | 3/2 |
| Feb | 96% | 24% | 2.2 m | 16°C | 3/2 |
| Mar | 94% | 35% | 2.2 m | 16°C | 3/2 |
| Apr | 89% | 40% | 2.6 m | 16°C | 3/2 |
| May | 85% | 41% | 2.8 m | 17°C | 3/2 |
| Jun | 92% | 49% | 2.6 m | 16°C | 3/2 |
| Jul | 78% | 34% | 2.9 m | 15°C | 4/3 |
| Aug | 86% | 36% | 2.9 m | 15°C | 4/3 |
| Sep | 91% | 31% | 2.9 m | 14°C | 4/3 |
| Oct | 94% | 35% | 2.4 m | 15°C | 4/3 |
| Nov | 94% | 31% | 2.5 m | 15°C | 4/3 |
| Dec | 94% | 27% | 2.1 m | 17°C | 3/2 |
Why 83.7
Seven parts, each normalised 0 to 1 and weighted; the sum is scaled so the best spot in the world is 100.
Consistency 26%
26.0
Clean days 24%
20.2
Groundswell 12%
12.0
Season spread 10%
10.0
Wave size 8%
8.0
Water comfort 10%
2.0
Access 10%
3.4
The detail
Faces 205° with 58% open water around it. Friendly morning wind 43% of days. Mean peak period 12.8 s. Days over 3 m: 29%. Mellow days (0.4 to 1.2 m): 1%. Months that work: 12 of 12. Coordinates -38.059, 140.659 (OpenStreetMap).
Spots nearby
Posties🇦🇺 Australia · score 83.0Mokes🇦🇺 Australia · score 81.1Gates🇦🇺 Australia · score 81.1Browns Beach🇦🇺 Australia · score 83.8
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