Wailua/Horners surfForecast / HAW – Kaua'i / USA

information circle16 Day Weather and Surf, issued 1 am Wednesday 20 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Wailua/Horners surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Wailua/Horners sea temperature is
25.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Wailua/Horners this week:

The most powerful waves expected at Wailua/Horners in the next 16 days are 3.0m 9s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Wednesday (May 20) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Thu 21st May)10ft (3.0m) 9s

Table - best surf conditions forecast for Wailua/Horners over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Wed morning. Warm (max 24°C on Wed morning, min 22°C on Thu night). Mainly fresh winds.

Days 4-6 Weather Summary

Moderate rain (total 16mm), heaviest on Mon night. Warm (max 24°C on Sun afternoon, min 23°C on Sat morning). Mainly fresh winds.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
E
8
2.1
E
8
2.2
E
9
2.4
E
8
2.5
E
8
3
ENE
9
2.5
ENE
9
2.4
ENE
9
2.4
ENE
8
2.4
ENE
8
2.5
ENE
9
2.5
ENE
9
2.3
ENE
8
2.3
ENE
8
2.3
ENE
8
2.4
ENE
8
2.2
ENE
8
2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
432
572
715
829
921
1162
949
880
840
840
943
912
739
758
705
745
650
487
403
355
387
Wind (km/h)
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
NE
30
NE
30
ENE
30
ENE
25
ENE
25
ENE
20
ENE
25
ENE
20
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
6:58PM0.77m
5:43AM0.29m
7:52PM0.72m
8:10AM0.30m
8:45PM0.67m
10:27AM0.37m
9:33PM0.61m
11:45AM0.46m
10:17PM0.56m
12:33PM0.55m
10:56PM0.51m
1:10PM0.62m
11:33PM0.47m
Low Tide
10:43AM0.07m
3:14AM0.28m
11:34AM0.15m
4:03AM0.25m
12:40PM0.24m
4:36AM0.22m
2:22PM0.32m
5:04AM0.19m
4:20PM0.37m
5:28AM0.16m
5:58PM0.38m
5:52AM0.13m
7:14PM0.37m
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:54
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:12
7:12
7:13
7:13
7:14
7:14
1
2
3
1
1
1
3
1
1
1
2
2
2
2
5
2
2
1
Temp °C
24
24
24
24
24
23
24
24
23
23
23
23
23
24
24
24
24
23
24
24
23
24
22
23
21
21
20
21
21
20
20
20
20
21
21
22
22
22
21
22
22
21
Swell 1
Height (m)
Direction
Period (s)
0.7
NNW
10
0.5
NNW
11
0.4
NNW
10
0.4
SSW
16
0.4
SSW
16
0.5
S
15
0.5
NW
11
0.5
NW
11
0.5
NW
10
0.6
NNW
16
0.7
NW
14
0.7
NW
13
0.7
NW
12
0.7
NW
12
2.3
ENE
8
0.5
NW
11
0.5
S
14
2
ENE
8
1.8
ENE
8
0.5
NW
16
0.8
NW
14
Energy kJ
95
65
40
87
85
112
55
57
52
162
211
172
147
140
705
57
96
487
403
124
224
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
14
0.4
SSW
14
0.4
SSW
17
0.3
NNW
10
0.4
NW
10
0.4
NW
10
0.4
SSW
15
0.4
S
18
0.5
S
16
0.5
S
16
0.6
S
15
0.4
S
15
0.5
S
14
0.4
S
13
0.6
NW
11
0.4
S
13
0.5
NW
10
0.4
S
13
0.4
S
13
0.4
S
12
0.4
S
15
Energy kJ
69
66
101
19
23
25
71
98
133
127
161
67
89
56
97
50
54
53
54
47
69
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
9
0.3
S
18
0.3
SSW
13
0.3
SSE
14
0.4
SE
13
0.4
SE
13
0.4
SE
12
0.4
SSW
14
0.4
SSW
13
0.5
NW
10
0.4
NNW
10
0.4
NW
10
0.2
SSE
11
0.3
S
16
0.5
S
14
0.3
S
15
0.1
SE
9
0.4
NW
10
0.4
NW
10
0.3
S
16
0.3
S
12
Energy kJ
17
56
34
37
44
42
38
63
60
49
38
24
12
46
100
38
3
25
24
45
25
Wind waves
Height (m)
Direction
Period (s)
1.8
E
8
2.1
E
8
2.2
E
9
2.4
E
8
2.5
E
8
3
ENE
9
2.5
ENE
9
2.4
ENE
9
2.4
ENE
8
2.4
ENE
8
2.5
ENE
9
2.5
ENE
9
2.3
ENE
8
2.3
ENE
8
2.4
ENE
8
2.2
ENE
8
1.7
ENE
8
1.9
ENE
7
Energy kJ
432
572
715
829
921
1162
949
880
840
840
943
912
739
758
745
650
355
387
Nearest Offshore or Glassy
Rating
(10 max)
3
3
1
3
1
4
3
3
3
3
1
1
3
1
3
2
3
1
1
2
1
Distance (km)
35
36
302
41
305
35
35
36
35
35
333
24
35
302
24
41
47
24
35
129
35
Best forecast wave conditions in Kaua'i
Rating
(10 max)
3
3
3
4
3
3
3
3
1
3
3
2
3
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
1
4
3
3
3
3
2
3
3
1
3
2
3
3
1
2
3
Header Global
Rating
(10 max)
4
5
5
5
5
7
6
5
5
9
6
5
5
4
4
5
5
4
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)
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Information about the Wailua/Horners Surf forecast

The above surf forecast table for Wailua/Horners provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wailua/Horners can be found by selecting the local surf guide option on the grey menu. Our Wailua/Horners surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Wailua/Horners) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Wailua/Horners may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a vacation in Kaua'i? If you are looking for accommodation near Wailua/Horners, camping, hotels and condos and appartments in Kaua'i, consider staying in Lihue - Kauai which is 8 km (5 miles) away. Alternatively, find information about places to stay and car hire in Nawiliwili which is 9 km (6 miles) away

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