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Cannons Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Cannons surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Saturday 18 Apr 2026 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
24.6° C
(Which is normal for this time of year)How big are the waves at Cannons today?
The current surf forecast for Cannons at 1PM is: 0.5m 12s primary swell from a Northwest direction (forecast issued at 07:00am April 18). An open ocean swell of 1.1m 6s is not directed at the surf break, a second open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 1.5ft (0.5m) | 12s |
| Afternoon (18 Apr) | 1.5ft (0.5m) | 11s |
| Evening (18 Apr) | 1.5ft (0.5m) | 11s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 13 | 13 | 14 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 72 | 71 | 69 | 63 | 60 | 59 | 59 | 58 | 57 | 45 | 104 | 92 | 90 | 89 | 87 | 83 | 76 | 83 | 83 | 83 | 83 | 87 | 91 | 115 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | on | cross | cross | cross- off | glass | cross- on | cross | glass | glass | glass | glass |
High Tide / height (m) | 2:37AM 0.27 | 4:04PM 0.68 | 3:10AM 0.21 | 4:55PM 0.68 | 3:45AM 0.16 | 5:52PM 0.66 | ||||||||||||||||||
Low Tide / height (m) | 8:12AM -0.12 | 10:33PM 0.09 | 8:46AM -0.12 | 11:56PM 0.10 | 9:23AM -0.10 | 1:54AM 0.09 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 7:00 | - | - | - |
 |  |  |  | |  |  | | | | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | 2 | 6 | 1 | - | - | - | - | 1 | 1 | 1 | 1 | 1 |
| Temp. °C | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 22 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 |
| Feels °C (?) | 24 | 26 | 26 | 27 | 26 | 26 | 25 | 24 | 25 | 24 | 26 | 26 | 25 | 24 | 22 | 24 | 25 | 27 | 27 | 27 | 28 | 28 | 28 | 26 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cannons surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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