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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 1 am Friday 20 Mar 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 slightly warmer than usual)How big are the waves at Cannons today?
The current surf forecast for Cannons at 9AM is: 1.1m 10s primary swell from a North direction and 0.7m 6s secondary swell from a East-northeast direction (forecast issued at 01:00am March 20). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | 3.5ft (1.1m) | 10s |
| Afternoon (20 Mar) | 4.5ft (1.4m) | 11s |
| Evening (20 Mar) | 5.5ft (1.7m) | 10s |
Table - waves today at Cannons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 14 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 252 | 242 | 242 | 242 | 247 | 457 | 517 | 621 | 596 | 573 | 391 | 391 | 456 | 1259 | 1422 | 1265 | 972 | 595 | 453 | 437 | 431 | 425 | 402 | 313 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | glass | glass | glass | cross- off | glass | cross- off | glass | glass | glass | glass | off | off | off | off | off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 3:14AM 0.39 | 4:16PM 0.55 | 3:40AM 0.32 | 5:07PM 0.57 | 4:03AM 0.25 | 6:06PM 0.58 | ||||||||||||||||||
Low Tide / height (m) | 9:05PM 0.03 | 8:58AM -0.08 | 10:02PM 0.08 | 9:25AM -0.09 | 11:12PM 0.12 | 9:57AM -0.08 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:39 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:50 | - |
 | |  |  |  | | |  | | | | |  | | | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | 1 | 2 | 3 | 3 | 1 | 2 | 1 | 2 | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 |
| Feels °C (?) | 26 | 27 | 26 | 26 | 28 | 28 | 28 | 27 | 28 | 26 | 27 | 27 | 27 | 28 | 27 | 26 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 |
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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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