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

information circle12 Day Weather and Surf, issued 1 pm Wednesday 17 Dec 2025 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
25.5° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Wailua/Horners this week:

The surf forecast for Wailua/Horners over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 17) at 8PM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 1.1m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Wailua/Horners in the next 12 days are 2.2m 14s and forecast to arrive on Thursday (Dec 18) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Wednesday (Dec 24) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Wed 17th Dec)6ft (1.8m) 12s
Best Surf 8PM (Wed 17th Dec)6ft (1.8m) 12s
Most Powerful 5AM (Thu 18th Dec)7ft (2.2m) 14s

Table - best surf conditions forecast for Wailua/Horners over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 26°C on Wed afternoon, min 23°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sat afternoon. Warm (max 25°C on Sat afternoon, min 23°C on Sat night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
4
4
4
4
4
3
4
4
3
4
3
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
WNW
1.4
NNW
2.1
NNW
2
N
2.1
NNW
1.9
NNW
1.9
N
1.9
N
1.7
N
2.1
N
1.9
N
1.7
N
1.5
N
1.4
N
1.2
N
1.1
N
1.2
NNE
1
NNE
1.1
NNE
1
NNE
1.8
E
Period(s) (?)12141312121111111113121111111010999128
Wave
Graph
(?)Metric surfscale
Energy kJ (?)104580014521234116094491091470114651005739566466308250237168193283367
Wind
(km/h)
15
SW
10
WSW
10
SSW
5
W
10
SW
15
SSW
10
SSW
5
S
10
SSE
5
ESE
10
ENE
20
E
20
E
20
E
20
E
20
E
25
E
25
E
25
E
25
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
glasscross-
off
cross-
off
cross-
off
glasscrossglassoncross-
on
cross-
on
ononononononcross-
on
cross-
on
High Tide
/ height (m)
2:45AM
0.77
1:07PM
0.36
3:18AM
0.79
1:43PM
0.36
3:51AM
0.79
2:17PM
0.35
4:24AM
0.79
2:52PM
0.35
4:57AM
0.78
3:33PM
0.35
5:28AM
0.77
4:23PM
0.34
5:58AM
0.74
Low Tide
/ height (m)
6:57PM
0.06
9:58AM
0.31
7:30PM
0.04
10:30AM
0.31
8:04PM
0.03
11:02AM
0.30
8:37PM
0.03
11:36AM
0.30
9:10PM
0.04
12:11PM
0.30
9:42PM
0.07
12:46PM
0.28
10:15PM
0.12
1:21PM
0.26
Wed
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise--7:09--7:09--7:11--7:11--7:11--7:11--7:13
Sunset5:57--5:57--5:58--5:58--5:59--5:59--6:00--
clear
clear
part cloud
thunderstorm
thunderstorm
clear
cloud
thunderstorm
part cloud
thunderstorm
clear
clear
clear
part cloud
light rain
thunderstorm
rain showers
rain showers
rain showers
rain showers
part cloud
Rain (mm)
---42--1-3----123223-
Temp. °C262425252325252424252424252424242324242324
Feels °C (?)262526262626262726272724252424242323232223
  • 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 12 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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