Surf Forecasts:
Wailua/Horners surf forecast from 7 Aug 2026:
- Most powerful swell: Monday 10 Aug, 8AM (local time) - 6ft (1.8m), 8s period, E swell with 378 kJ wave energy.
Best Forecast Surf Conditions for Wailua/Horners this week:
The most powerful waves expected at Wailua/Horners in the next 16 days are 1.8m 8s and forecast to arrive on Monday (Aug 10) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 16s period and expected on Thursday (Aug 13) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Mon 10th Aug) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Wailua/Horners over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s be straight with you – it’s a tough stretch ahead for Wailua/Horners. This is a reef break that takes a north swell, and the whole 16-day window is filled with onshore wind from the east-northeast and east. The swell is small to moderate, but the wind is never your friend. The water temp is sitting at 79.9°, which is right on average for this time of year, so no surprises there.
The first real opportunity doesn’t even show up as a good one. From Thursday the 6th of August right through the weekend, we’ve got onshore breeze and poor surf conditions. The swell is there, but it’s all short-period junk (6 to 8 seconds) with combined energy reaching 300 (moderate) by Sunday, but the wind is killing it. It’s a no-go.
The pattern doesn’t shift. Through the second week, from Monday the 10th right through to Thursday the 20th of August, the wind stays locked in from the east-northeast, blowing 9 to 19 mph. The swell builds a bit – by the 16th of August we’re looking at 6.9 ft to 7.2 ft from the east-northeast, with combined energy hitting 631 (strong) on Sunday, but again, it’s all onshore. The period is still short, 8 seconds at best. This setup is honestly more interesting for kite surfing than paddle surfing, because the wind is consistent and the wave face is going to be a mess.
Horners is an advanced, inconsistent spot that’s already tricky when it’s on. With this constant onshore wind, it’s just not worth paddling out. The best of a bad lot might be the very end of the run, around Thursday the 21st of August, but even then, it’s onshore and weak. There’s no standout session here. Save your energy.
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Mon morning. Warm (max 26°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 8 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 167 | 123 | 117 | 37 | 77 | 158 | 171 | 240 | 269 | 246 | 352 | 346 | 313 | 246 | 206 | 178 | 172 | 149 | 145 | 128 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 12:03PM0.70m | 12:56PM0.77m | 10:59PM0.32m | 1:40PM0.82m | 00:28AM0.35m | 2:19PM0.85m | 1:29AM0.39m | 2:54PM0.85m | 2:21AM0.43m | 3:26PM0.83m | 3:09AM0.47m | |||||||||
Low Tide | 3:11AM0.11m | 4:29AM0.08m | 8:54PM0.31m | 5:38AM0.05m | 9:00PM0.28m | 6:37AM0.02m | 9:19PM0.25m | 7:29AM0.01m | 9:42PM0.23m | 8:15AM0.03m | 10:06PM0.21m | |||||||||
 |  | | |  |  | | | |  | |  | |  | | | | | |  | |
 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | 7:14 | — | — | 7:14 | — | — | 7:13 | — | — | 7:12 | — | — | 7:12 | — | — | 7:10 | — | — | 7:09 | — |
mm | — | — | — | — | 1 | 1 | — | 2 | — | — | 2 | 3 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 28 | 28 | 26 | 28 | 28 | 26 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | ENE 8 | NNW 7 | ENE 8 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | SSW 17 | S 16 | S 16 | S 15 | SSE 9 | SE 9 | S 14 | S 14 | S 18 | S 18 | S 16 |
| kJ | 19 | 123 | 9 | 37 | 14 | 28 | 35 | 31 | 22 | 100 | 129 | 129 | 113 | 53 | 40 | 104 | 181 | 416 | 620 | 636 |
Swell 2 Height (m) Direction Period (s) | S 11 | NNW 7 | S 10 | SSE 11 | N 6 | SSW 14 | SSW 14 | SSW 13 | SSW 17 | NNW 10 | NNW 9 | NNW 9 | SSE 10 | S 15 | S 15 | SSE 9 | SSE 8 | S 13 | S 13 | SE 9 |
| kJ | 22 | 17 | 19 | 38 | 7 | 41 | 40 | 35 | 97 | 34 | 29 | 26 | 36 | 118 | 110 | 31 | 46 | 168 | 121 | 20 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 11 | SSE 7 | SSW 16 | S 11 | S 12 | S 10 | S 10 | SSW 13 | NE 9 | SSE 10 | SSE 10 | NNW 8 | NNW 8 | SSW 11 | SSW 11 | S 20 | SSE 8 | SSE 8 | W 12 |
| kJ | 25 | 22 | 5 | 51 | 21 | 24 | 17 | 8 | 34 | 20 | 18 | 19 | 22 | 12 | 23 | 24 | 268 | 28 | 28 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | ENE 7 | ENE 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 |
| kJ | 167 | — | 117 | 37 | 77 | 158 | 171 | 240 | 269 | 246 | 352 | 346 | 313 | 246 | 206 | 178 | 172 | 149 | 145 | 128 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 35 | 22 | 25 | 35 | 24 | 35 | 24 | 24 | 35 | 24 | 24 | 35 | 35 | 24 | 31 | 24 | 22 | 35 | 35 | 22 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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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