Surf Forecasts:
Wailua/Horners surf forecast from 9 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 5AM (local time) - 5ft (1.5m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 5AM (local time) - 5ft (1.5m), 10s period, ENE swell with 473 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 5AM (local time) - 5ft (1.5m), 10s period with ENE swell.
Best Forecast Surf Conditions for Wailua/Horners this week:
The surf forecast for Wailua/Horners over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 5AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 1.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wailua/Horners in the next 16 days are 1.5m 10s and forecast to arrive on Wednesday (Sep 09) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Wednesday (Sep 09) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 9th Sep) | 5ft (1.5m) 10s |
| Best Surf | 5AM (Wed 9th Sep) | 5ft (1.5m) 10s |
| Most Powerful | 5AM (Wed 9th Sep) | 5ft (1.5m) 10s |
Table - best surf conditions forecast for Wailua/Horners over the next 16 days.
The Lowdown
Righto, Rusty here, and I've got the look ahead for you. We're dialing into Wailua/Horners, a reef setup that's got some serious potential but only one real window of clean surf in the next 16 days.
The long-range picture shows a lot of onshore wind and poor conditions, but there's one Wednesday morning that's a true standout. The best bet by a long shot is Wednesday, September 9th, in the morning. We're looking at a clean 5ft NW groundswell with a 10-second period, pushing moderate wave energy (664). The wind is a light cross-offshore breeze from the south, which is going to make for some glassy, lined-up faces. That's the morning to be out there. The water temp is sitting pretty average for this time of year, so no surprises there.
The rest of the window is a different story. That same Wednesday afternoon the wind goes cross-shore and the quality drops off a cliff. From Thursday, September 10th, all the way through to Tuesday, September 23rd, it's a long, frustrating run of onshore and cross-onshore wind from the east and northeast. The swell hangs around from 2ft to 7ft, but it's nearly all short-period windswell from the east, and the wind is just ruining it. None of it is worth paddling out for.
There is a spike in size around the 18th and 19th of September, with swell hitting 7ft from the east. But with strong onshore winds at 12-16 mph, that setup is going to be a washing machine. For a reef break like this with that much wind, it honestly looks more interesting for kite surfing than paddle surfing. Don't bother.
So, bottom line: you've got one gold-plated window on Wednesday the 9th morning. Pounce on it. After that, it's a long waiting game with nothing on offer until the forecast changes.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sat morning, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||
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 11 | NW 10 | NW 9 | E 13 | ENE 8 | E 7 | ENE 7 | E 7 | E 11 | ENE 11 | E 10 | NE 9 | NE 9 | NE 9 | NE 8 | NE 9 | NE 8 | NE 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 656 | 365 | 235 | 161 | 327 | 320 | 203 | 123 | 295 | 436 | 194 | 122 | 112 | 110 | 105 | 115 | 102 | 82 | 61 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on |
High Tide | 1:40AM0.47m | 2:18PM0.76m | 2:23AM0.53m | 2:45PM0.72m | 3:04AM0.59m | 3:10PM0.67m | 3:44AM0.63m | 3:31PM0.61m | 4:24AM0.65m | 3:48PM0.55m | 5:05AM0.65m | 4:00PM0.50m | |||||||
Low Tide | 8:30PM0.21m | 7:27AM0.10m | 8:50PM0.17m | 8:13AM0.12m | 9:10PM0.15m | 8:56AM0.16m | 9:30PM0.13m | 9:39AM0.22m | 9:51PM0.11m | 10:22AM0.27m | 10:11PM0.11m | 11:07AM0.33m | 10:32PM0.12m | ||||||
 |  | | | |  |  | | | | | |  | | | | | | | |
 | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:46 | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 |
Feels °C | 28 | 30 | 29 | 30 | 28 | 27 | 26 | 26 | 27 | 26 | 27 | 26 | 27 | 26 | 26 | 26 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | NW 10 | NW 9 | ENE 8 | E 12 | E 12 | E 12 | NE 8 | E 11 | ENE 11 | E 10 | NE 9 | NE 9 | NE 9 | NE 8 | NE 9 | NE 8 | NE 8 | NE 8 |
| kJ | 656 | 365 | 235 | 149 | 108 | 104 | 99 | 67 | 295 | 436 | 194 | 115 | 112 | 110 | 105 | 115 | 102 | 82 | 54 |
Swell 2 Height (m) Direction Period (s) | NW 8 | ENE 10 | ENE 9 | NW 8 | NW 8 | S 13 | SSW 12 | E 11 | NE 8 | SE 8 | NE 9 | E 10 | E 9 | E 9 | ENE 9 | ENE 9 | SE 8 | SE 8 | E 4 |
| kJ | 138 | 299 | 227 | 59 | 33 | 84 | 48 | 123 | 82 | 18 | 77 | 122 | 83 | 59 | 28 | 15 | 11 | 10 | 13 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | E 13 | E 13 | S 13 | NW 8 | NW 8 | SSW 12 | NW 9 | SSW 15 | SSE 8 | SSE 5 | SSE 8 | NW 13 | SSE 8 | SE 9 | WNW 11 | WNW 11 | ESE 8 |
| kJ | 130 | 55 | 168 | 161 | 86 | 32 | 15 | 47 | 12 | 44 | 7 | 2 | 6 | 28 | 6 | 12 | 12 | 12 | 13 |
Wind waves Height (m) Direction Period (s) | S 8 | — | — | — | ENE 8 | E 7 | ENE 7 | E 7 | — | E 11 | — | — | — | — | E 5 | E 5 | E 5 | E 5 | E 8 |
| kJ | 187 | — | — | — | 327 | 320 | 203 | 116 | — | 326 | — | — | — | — | 18 | 31 | 24 | 25 | 61 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 25 | 10 | 31 | 35 | 24 | 35 | 25 | 22 | 23 | 22 | 25 | 22 | 22 | 20 | 25 | 25 | 23 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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