Waimea Bay
United States · Pacific Islands
Right now
ClearWind and swell direction
Swell: 0.8m N
Wind: 10 km/h E (cross-offshore)
Beach faces: NNW
Cross-offshore wind. Still favourable, expect reasonably clean waves with some texture.
Swell is arriving at a great angle for this beach.
Today hour by hour
Updated 10:31Expected crowds
Prediction model v16amDawn patrol territory
7amMidweek quiet
Next 7 days
Forecast via Open-MeteoWhat to pack
- Small waves expected. Longboard or fish to make the most of it.
- Boardshorts weather. 24°C water.
- Sunny days ahead. Sun cream and a rashie.
Forecast accuracy at Waimea Bay
Not enough data yet. Log a session to help build the accuracy score.
Best time to go
quiet before the morning rush, conditions building through the session
quiet before the morning rush, conditions building through the session
quiet evening session
Nearby spots right now
Crowd report
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Session journal
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Create free accountTide
Approximate modelBest on mid tide
Swell forecast
7-day forecastDaily score breakdown
This week is looking well above average for late April.
Comparing the 7-day forecast to the last 5 years of marine data for the same week at Waimea Bay.
What's driving it
Recent form
Last 2 days of logged conditions.
About Waimea Bay
Historic big-wave arena that only breaks on the biggest swells, home of the Eddie Aikau.
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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 Waimea Bay. 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 Waimea Bay?
Check our timing score heatmap above for a week-by-week breakdown combining surf conditions with crowd pressure.