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

information circle16 Day Weather and Surf, issued 1 am Monday 18 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
24.7° 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 2.5m 9s and forecast to arrive on Friday (May 22) at 2AM. 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 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Fri 22nd May)8ft (2.5m) 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 13mm), heaviest on Mon afternoon. Warm (max 25°C on Tue afternoon, min 23°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Warm (max 24°C on Thu morning, min 22°C on Fri night). Mainly fresh winds.

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
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)
2
E
8
2
E
8
1.6
E
8
1.4
E
8
1.5
E
8
1.6
E
8
1.7
E
8
2.1
E
8
2.3
E
8
2.4
E
8
2.4
E
8
2.5
ENE
9
2.5
ENE
9
2.4
ENE
8
2.4
ENE
8
2.2
ENE
8
2.3
ENE
8
2.3
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
8
Wave Graph
Metric surfscale
Energy kJ
516
516
334
253
295
334
393
587
744
800
819
1033
906
840
840
699
748
748
682
606
549
Wind (km/h)
25
E
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
25
ENE
30
ENE
35
ENE
25
NE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
5:11PM0.86m
3:26AM0.34m
6:03PM0.82m
4:15AM0.31m
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
Low Tide
9:16AM-0.02m
00:42AM0.31m
9:58AM0.01m
2:01AM0.30m
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
thunderstorm
thunderstorm
clear
clear
thunderstorm
rain showers
rain showers
rain showers
rain showers
clear
clear
rain showers
part cloud
rain showers
rain showers
rain showers
part cloud
rain showers
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:10
7:10
7:12
7:12
7:13
7:13
2
3
2
2
1
2
1
2
1
2
1
3
1
Temp °C
24
24
24
24
25
24
24
24
23
24
24
23
24
24
23
24
24
23
24
24
23
25
23
25
24
25
25
24
23
22
22
21
20
21
21
20
21
21
21
22
22
21
Swell 1
Height (m)
Direction
Period (s)
0.4
SSE
10
0.4
SSE
10
1.6
E
8
0.5
SSW
17
0.6
NW
11
0.6
NNW
10
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
0.5
S
16
0.6
S
15
0.6
NNW
13
0.7
NW
12
0.6
NW
12
0.6
NW
11
Energy kJ
40
39
334
172
92
67
95
65
39
87
85
112
56
56
52
127
161
114
149
114
99
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
14
0.4
NW
12
0.5
NW
11
0.5
NW
10
0.5
SSW
15
0.4
SSW
15
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
NW
10
0.4
NNW
10
0.4
S
15
0.6
S
14
0.5
S
13
0.5
S
14
Energy kJ
69
36
58
53
123
73
69
66
101
19
23
25
71
98
133
49
39
67
129
88
100
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
12
0.4
SSW
14
0.4
SE
7
0.4
SE
7
0.3
SSE
7
0.4
NNW
12
0.4
SE
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
0.3
SSW
13
0.4
NW
14
0.4
NW
10
0.2
SSE
11
0.3
S
16
0.2
SSE
11
Energy kJ
40
63
13
12
9
49
22
56
34
37
44
43
38
64
60
34
53
24
12
46
12
Wind waves
Height (m)
Direction
Period (s)
2
E
8
2
E
8
1.4
E
8
1.5
E
8
1.6
E
8
1.7
E
8
2.1
E
8
2.3
E
8
2.4
E
8
2.4
E
8
2.5
ENE
9
2.5
ENE
9
2.4
ENE
8
2.4
ENE
8
2.2
ENE
8
2.3
ENE
8
2.3
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
8
Energy kJ
516
516
253
295
334
393
587
744
800
819
1033
906
840
840
699
748
748
682
606
549
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
3
2
1
2
3
3
3
1
2
3
3
3
3
2
3
1
2
1
Distance (km)
35
35
24
35
35
24
35
36
35
36
432
129
35
35
47
35
35
41
41
47
24
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
3
2
3
2
1
2
3
3
3
3
3
3
3
2
3
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
3
4
3
3
4
4
2
3
3
3
3
3
2
3
2
2
2
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
5
7
5
5
7
6
5
4
5
4
  • 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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