Cannons surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 19 May 2026 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
25.0° C
(Which is normal for this time of year)

How big are the waves at Cannons today?

The current surf forecast for Cannons at 1AM is: 0.7m 10s primary swell from a Northwest direction and 0.3m 12s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 19). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (20 May)3.5ft (1.1m)8s
Afternoon (20 May)1.5ft (0.5m)11s
Evening (20 May)5.5ft (1.7m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 25°C on Wed morning, min 22°C on Thu night). Mainly fresh winds.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
NW
11
0.7
NW
11
0.7
NW
10
0.6
NW
10
1
ENE
8
1.1
ENE
8
0.7
NNW
10
0.5
NNW
11
0.5
NNW
11
1.8
ENE
9
0.4
NNW
10
0.4
NNW
10
2.2
ENE
8
2.3
ENE
8
0.3
NNW
10
0.3
NNW
10
2.2
ENE
9
2.3
ENE
9
2.4
ENE
9
2.4
ENE
9
2.4
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
ENE
9
Wave Graph
Metric surfscale
Energy kJ
90
115
106
80
136
145
94
65
65
488
42
34
645
721
19
18
676
738
839
878
878
828
809
744
Wind (km/h)
20
E
20
E
20
E
20
E
20
E
20
E
25
E
25
E
25
E
20
E
25
E
25
E
25
E
25
E
25
E
25
ENE
30
ENE
25
E
25
ENE
25
E
25
ENE
25
ENE
25
ENE
25
ENE
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:37PM0.73m
5:03AM0.12m
6:32PM0.67m
6:37AM0.13m
7:28PM0.62m
8:25AM0.17m
Low Tide
1:25AM0.07m
9:55AM-0.05m
2:25AM0.06m
10:54AM0.02m
3:09AM0.04m
12:15PM0.09m
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
rain showers
part cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:13
7:13
7:13
1
1
1
1
Temp °C
25
24
23
23
23
24
25
25
25
24
23
23
23
23
24
25
23
23
23
22
22
23
23
24
25
25
23
23
23
24
24
24
24
23
22
22
22
21
22
23
20
21
21
20
20
21
21
22
Swell 1
Height (m)
Direction
Period (s)
0.6
NW
11
0.7
NW
11
0.7
NW
10
0.6
NW
10
1
ENE
8
1.1
ENE
8
0.7
NNW
10
0.5
NNW
11
0.5
NNW
11
0.7
ESE
8
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
NNW
10
0.4
NW
10
0.3
NW
10
0.4
NW
10
0.4
NW
10
0.4
NNW
10
0.5
NW
10
0.5
NW
11
0.5
NW
11
Energy kJ
90
115
106
80
136
145
94
65
65
72
42
34
33
19
19
18
24
17
25
25
38
51
55
56
Swell 2
Height (m)
Direction
Period (s)
0.3
NNW
13
0.2
NNW
13
0.2
SSW
15
0.3
NNW
12
0.5
NNW
10
0.5
NNW
10
0.2
SSW
16
0.3
NW
9
0.3
NW
9
0.5
NNW
11
0.3
NW
9
0.2
WNW
9
0.1
NW
8
0.1
NW
8
0.1
NW
8
0.1
NW
8
0.1
SE
13
0.2
N
9
0.1
SW
15
0.2
SSW
15
0.1
SE
13
0.1
SE
12
0.2
SSE
12
0.2
SSE
12
Energy kJ
35
17
21
29
63
63
24
13
13
64
12
7
3
3
3
3
7
7
8
21
6
6
13
14
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
14
0.2
SSW
15
0.1
SE
9
0.2
SSW
15
0.4
NW
10
0.3
NW
10
0.1
SE
9
0.2
SSW
14
0.2
SSW
14
0.3
NW
9
0.1
S
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SE
14
0.1
SE
13
0.1
SW
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.2
SSW
15
0.1
S
15
0.1
S
15
0.1
S
14
Energy kJ
20
22
3
21
35
14
3
20
19
12
3
7
7
7
7
7
8
7
7
7
21
4
4
4
Wind waves
Height (m)
Direction
Period (s)
1.3
E
8
1.3
E
8
1.4
E
8
1.5
E
8
1
ESE
7
1
E
8
1.5
E
8
1.7
E
8
1.8
E
8
1.8
ENE
9
1.9
ENE
8
1.9
ENE
8
2.2
ENE
8
2.3
ENE
8
2.1
E
9
2.1
E
8
2.2
ENE
9
2.3
ENE
9
2.4
ENE
9
2.4
ENE
9
2.4
ENE
9
2.3
ENE
9
2.3
ENE
9
2.2
ENE
9
Energy kJ
217
217
245
280
105
137
309
386
439
488
534
534
645
721
663
647
676
738
839
878
878
828
809
744
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
3
3
3
3
1
2
1
2
3
3
3
1
1
Distance (km)
32
24
24
24
31
24
24
24
24
31
332
31
31
31
31
333
463
335
160
34
31
31
24
24
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
2
2
2
2
2
3
3
3
1
3
3
3
3
3
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
5
5
3
3
4
3
4
3
3
3
4
3
3
1
4
3
3
3
4
3
3
3
Header Global
Rating
(10 max)
5
5
4
4
4
5
5
5
4
5
5
5
5
4
4
4
5
7
7
8
6
5
5
5
  • 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

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