Cannons surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Sunday 21 Dec 2025 HST
Forecast 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
25.4° C
(Which is slightly warmer than usual)


How big are the waves at Cannons today?

The current surf forecast for Cannons at 6PM is: 1.6m 11s primary swell from a North direction and 0.4m 12s secondary swell from a West-northwest direction (forecast issued at 01:00pm December 21). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (21 Dec)5.5ft (1.7m)11s
Afternoon (21 Dec)5ft (1.6m)11s
Evening (21 Dec)5ft (1.6m)11s

Table - waves today at Cannons. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
2
1
1
1
1
1
2
2
0
1
0
0
1
0
0
0
0
0
1
0
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.6
N
1.6
N
1.6
N
1.6
N
1.7
NNE
1.7
NNE
1.5
N
1.6
NNE
1.7
NNE
1.3
N
1.2
N
1.1
N
1.1
N
1.6
ENE
1.1
NNE
1.1
NNE
1.3
NNE
1.3
NNE
1.6
NNE
1.8
NE
1.3
NNE
1.1
NNE
1.2
NE
1.2
NNE
Period(s) (?)1111111111111111111110101071010999999811
Wave
Graph
(?)Metric surfscale
Energy kJ (?)663651652640667680535586649381314250245284245235277277431537255203206313
Wind
(km/h)
10
E
15
E
15
ESE
15
ESE
15
ESE
15
ESE
15
ESE
15
ESE
15
ESE
20
ESE
15
ESE
15
E
20
ESE
20
ESE
25
E
25
ESE
20
ESE
15
ESE
20
ESE
20
ESE
20
E
20
ESE
20
SE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
High Tide
/ height (m)
2:57PM
0.16
4:31AM
0.68
3:40PM
0.17
5:06AM
0.66
4:38PM
0.17
5:39AM
0.63
Low Tide
/ height (m)
11:05AM
0.10
8:13PM
-0.05
11:42AM
0.10
8:48PM
-0.03
12:19PM
0.10
9:25PM
0.01
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise-------7:13-------7:13-------7:13
Sunset--5:59-------6:00-------6:00-----
clear
part cloud
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
rain showers
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
Rain (mm)
----------11111---------
Temp. °C262625242423232325262524232323232324242323222221
Feels °C (?)282726252524242426272625232323222224242222212121
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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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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