Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Cannons surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Wednesday 17 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Cannons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cannons sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Cannons today?
The current surf forecast for Cannons at 7AM is: 2.4m 13s primary swell from a West-northwest direction and 1.3m 13s secondary swell from a North direction (forecast issued at 01:00am December 17). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.4m) | 13s |
| Afternoon (17 Dec) | 7ft (2.2m) | 12s |
| Evening (17 Dec) | 6ft (1.9m) | 12s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 563 | 640 | 1759 | 1815 | 1876 | 1574 | 1180 | 947 | 874 | 789 | 986 | 1229 | 1592 | 1544 | 1405 | 1334 | 1175 | 1272 | 1117 | 1079 | 943 | 1023 | 1127 | 1271 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | cross | cross | glass | glass | glass | glass | cross- off | glass | glass | glass | glass |
High Tide / height (m) | 1:48AM 0.67 | 12:34PM 0.20 | 2:19AM 0.69 | 1:13PM 0.18 | 2:51AM 0.69 | 1:49PM 0.17 | ||||||||||||||||||
Low Tide / height (m) | 8:56AM 0.14 | 6:02PM -0.04 | 9:27AM 0.12 | 6:34PM -0.05 | 9:57AM 0.11 | 7:06PM -0.06 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - |
 | | |  | | | | | | | |  |  | | | | | | | | | | |  | |
Rain (mm) | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | 2 | 2 | 4 | 2 | 2 | 2 | 1 | - | - | 1 | - |
| Temp. °C | 24 | 24 | 23 | 23 | 25 | 26 | 25 | 23 | 23 | 23 | 22 | 23 | 25 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 24 |
| Feels °C (?) | 24 | 25 | 23 | 24 | 26 | 26 | 25 | 24 | 25 | 25 | 23 | 25 | 28 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 27 | 27 | 26 | 28 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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