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Surf Forecasts:
Cannons surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Friday 12 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Cannons today?
The current surf forecast for Cannons at 2AM is: 1.6m 10s primary swell from a North-northwest direction (forecast issued at 07:00pm December 12). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.4m) | 10s |
| Afternoon (13 Dec) | 4ft (1.2m) | 10s |
| Evening (13 Dec) | 3ft (0.9m) | 10s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 8 | 8 | 9 | 10 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 418 | 410 | 457 | 510 | 482 | 487 | 443 | 326 | 264 | 167 | 265 | 367 | 442 | 755 | 1064 | 2805 | 2778 | 2349 | 1857 | 1498 | 1197 | 984 | 1748 | 1630 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | off | cross- off | cross- off | cross- off | off | off | off | off | cross | cross- off | glass | glass | glass | on | cross- on | cross | cross- off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 11:24PM 0.44 | 9:27AM 0.37 | 12:08AM 0.52 | 10:13AM 0.30 | 12:44AM 0.59 | 11:01AM 0.26 | ||||||||||||||||||
Low Tide / height (m) | 3:44PM 0.04 | 4:36AM 0.24 | 4:10PM 0.02 | 6:14AM 0.22 | 4:35PM 0.00 | 7:27AM 0.19 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - |
| Sunset | 5:54 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  |  |  |  |  | | |  |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 3 | 3 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | 2 | 1 | 1 |
| Temp. °C | 22 | 22 | 22 | 22 | 22 | 23 | 25 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 |
| Feels °C (?) | 23 | 23 | 23 | 23 | 23 | 23 | 25 | 26 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 |
- 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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