Surf Forecasts:
Wailua/Horners surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 5AM (local time) - 4ft (1.2m), 7s period, ENE swell with glassy winds.
- Most powerful swell: Sunday 23 Aug, 8PM (local time) - 6ft (1.9m), 8s period, E swell with 399 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 5AM (local time) - 4ft (1.2m), 7s 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 Friday (Aug 21) at 5AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.5m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Wailua/Horners in the next 16 days are 1.9m 8s and forecast to arrive on Sunday (Aug 23) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 17s period and expected on Thursday (Aug 27) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 21st Aug) | 4ft (1.2m) 7s |
| Best Surf | 5AM (Fri 21st Aug) | 4ft (1.2m) 7s |
| Most Powerful | 8PM (Sun 23rd Aug) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for Wailua/Horners over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s talk about what’s cookin’ for the next couple of weeks.
To be straight with you, this is a rough stretch for Wailua/Horners. The whole 16-day window is a write-off for decent surf. The wind is relentless from the east-northeast, and it’s mostly onshore, which is gonna ruin any chance of getting a clean face. The swell direction is mostly out of the east, which is across the optimum north swell direction this spot loves, so the waves will feel weak and won’t set up right. The water temp is 80°F right now, which is about average for the time of year, so no surprises there.
The first week is a total bust. From Thursday morning, August 20th, through the end of the month, every session is scored as poor. You’ll see a little swell, but it’s junk. On Saturday, August 22nd, the swell hits 5 ft but with a short period of 7 seconds and onshore wind, it’s just chop. The combined energy is moderate (486), but don’t be fooled – it’s messy. The water temperature anomaly is -0.7°F, so that’s normal.
There’s a bit of a pulse toward the end of the month. On Monday, August 31st, we see a jump in size – 7 ft in the morning, 8 ft in the afternoon – with a longer period of 12 seconds, and the combined energy rockets up to 1418, which is a solid dose of power. But again, the wind is onshore from the northeast, and the direction is from the east-northeast, which is wrong for this break. It’s gonna be a messy, choppy, blown-out wall. This is expert-only territory at that size, and even then, it’s not worth it.
The first week of September is more of the same: onshore cross-onshore wind, swell around 6 ft to 7 ft, and the energy is strong (up to 938). But it’s all poor surf conditions. The wind might ease a little by Thursday, September 3rd, but it’s still cross-onshore.
Honestly, there is nothing standout here. If you’re a kite surfer, that onshore wind and chop might be your jam, but for paddle surfing, this is a full 16-day blank. Don’t expect a good wave. This region is known for these flat spells, and the forecasts can change, but right now, this is a hard pass.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Mon night. Warm (max 26°C on Sun morning, min 25°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
AM | 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) | E 8 | ENE 7 | ENE 7 | E 8 | E 8 | ENE 7 | WNW 12 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 9 | E 7 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 84 | 153 | 169 | 90 | 74 | 111 | 183 | 206 | 267 | 320 | 357 | 264 | 247 | 292 | 168 | 355 | 355 | 275 | 206 | 200 | 173 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 11:08AM0.59m | 12:11PM0.63m | 12:52PM0.66m | 11:08PM0.31m | 1:24PM0.70m | 00:18AM0.34m | 1:52PM0.73m | 1:02AM0.38m | 2:17PM0.75m | 1:41AM0.42m | 2:41PM0.75m | 2:19AM0.46m | |||||||||
Low Tide | 2:38AM0.19m | 4:13AM0.18m | 9:06PM0.30m | 5:23AM0.15m | 8:47PM0.29m | 6:14AM0.12m | 8:51PM0.27m | 6:56AM0.10m | 9:02PM0.25m | 7:34AM0.09m | 9:16PM0.23m | ||||||||||
 | |  | | | |  | | | | | | | |  |  |  |  |  | |  | |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — |
Temp °C | 26 | 27 | 25 | 27 | 27 | 26 | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 24 |
Feels °C | 28 | 30 | 27 | 30 | 30 | 30 | 27 | 28 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 7 | ENE 7 | ENE 7 | E 8 | E 8 | ENE 7 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 11 | NW 11 | NW 11 | E 9 | WNW 10 | NW 11 | NW 11 | E 8 | S 14 | S 18 | E 7 |
| kJ | 73 | 153 | 169 | 90 | 74 | 111 | 183 | 176 | 247 | 215 | 160 | 130 | 133 | 292 | 72 | 58 | 57 | 275 | 106 | 229 | 173 |
Swell 2 Height (m) Direction Period (s) | E 8 | W 10 | W 11 | NE 7 | NE 7 | W 10 | S 14 | WNW 14 | S 14 | S 14 | SSW 15 | ESE 9 | SSE 13 | WNW 11 | SSE 12 | SSE 13 | SSW 16 | NW 10 | NW 10 | NW 10 | S 19 |
| kJ | 84 | 31 | 36 | 47 | 47 | 51 | 104 | 104 | 107 | 93 | 44 | 88 | 90 | 79 | 45 | 55 | 83 | 54 | 54 | 49 | 458 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SE 10 | SE 9 | W 10 | W 10 | SSE 14 | ESE 8 | SSE 15 | SSW 16 | SSW 16 | SSE 11 | S 13 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSE 13 | S 14 | S 18 | SSW 13 | NW 10 |
| kJ | 17 | 23 | 21 | 31 | 35 | 63 | 23 | 73 | 49 | 47 | 25 | 89 | 63 | 60 | 53 | 85 | 33 | 106 | 164 | 56 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 6 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | — | E 7 | E 8 | E 8 | — | E 7 | E 7 | — |
| kJ | — | — | — | — | — | — | 123 | 206 | 267 | 320 | 357 | 264 | 247 | — | 168 | 355 | 355 | — | 206 | 200 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 22 | 20 | 25 | 22 | 20 | 35 | 24 | 24 | 35 | 41 | 35 | 24 | 24 | 24 | 35 | 24 | 24 | 35 | 24 | 24 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Wailua/Horners surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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
Nearest