Dee Why
Australia · Australasia
Right now
OvercastWind and swell direction
Swell: 0.5m E
Wind: 9 km/h W (offshore)
Beach faces: E
Offshore wind (blowing from land to sea). Ideal conditions, holding up wave faces for cleaner surf.
Swell is arriving at a great angle for this beach.
Today hour by hour
Updated 10:17Expected crowds
Prediction model v16amDawn patrol territory
7amMidweek quiet
Next 7 days
Forecast via Open-MeteoWhat to pack
- Warm 22°C water. Shortie or boardshorts.
- Standard shortboard conditions.
- Rain jacket for between sessions.
Today's briefing
0.5m swell at 7s on a short period. Moderate winds. Water temperature 22°C.
AI-generated summary for Dee Why. Always check local reports before heading out.
Forecast accuracy at Dee Why
Not enough data yet. Log a session to help build the accuracy score.
Best time to go
No great windows in the next 2 days
Best available option is Tomorrow around 6am (score: 9). Conditions are below the Good threshold but may still be surfable.
Crowd report
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Session journal
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Create free accountTide
Approximate modelBest on mid-high tide
Swell forecast
7-day forecastDaily score breakdown
This week is looking about average for late April.
Comparing the 7-day forecast to the last 5 years of marine data for the same week at Dee Why.
What's driving it
Recent form
Last 3 days of logged conditions.
About Dee Why
Dee Why is a highly technical right-hand point break situated on the Northern Beaches of Sydney, Australia. The definitive bathymetric feature is a prominent, shallow sandstone rock ledge projecting from the southern headland. This abrupt obstacle intercepts powerful south-easterly groundswells, forcing the wave energy to heave violently over the incredibly shallow shelf. The result is a heavy, exceptionally hollow, square-shaped barrel right at the take-off. A westerly offshore wind is essential to groom the face and maintain the barrel's aperture. Due to the extreme speed of the drop, the severity of the rock ledge mere centimetres below the surface, and the highly concentrated take-off zone, 'The Point' is exclusively for advanced to professional surfers. It demands flawless technical tube-riding ability, as any mistake results in immediate impact with the unforgiving sandstone bottom, cementing its reputation as one of the most perilous waves on the coast.
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Create Profile →Frequently asked questions
How often is this page updated?
Current conditions refresh every 6 hours when the cron runs. Hourly data updates every 30 minutes. The 7-day forecast, luck factor, and packing notes are all pre-computed at the same time.
What is the luck factor?
We compare the 7-day forecast to the last 5 years of marine data for the same week at Dee Why. The delta tells you whether conditions are shaping up better, worse, or about the same as a typical late April.
How is 'best session' picked?
We score each day of the 7-day forecast using the same algorithm as the leaderboard, and highlight the highest scorer.
Where does the data come from?
Open-Meteo's Marine API (swell height, period, water temperature) and Weather API (wind and conditions).
Does the score capture local knowledge?
Honestly, no. Every break has tide windows, swell directions and reef contours that a global model cannot see. Treat the score as a starting point, then check a local cam.
When is the best time to surf Dee Why?
Check our timing score heatmap above for a week-by-week breakdown combining surf conditions with crowd pressure.