Surf Forecasts:
Wailua/Horners surf forecast from 18 Aug 2026:
- Best quality surf: Friday 21 Aug, 5AM (local time) - 4.5ft (1.3m), 7s period, ENE swell with glassy winds.
- Most powerful swell: Tuesday 25 Aug, 5AM (local time) - 8ft (2.5m), 8s period, E swell with 866 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 5AM (local time) - 4.5ft (1.3m), 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 1.3m and 7s period with a secondary swell of 0.4m and 10s. 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 2.5m 8s and forecast to arrive on Tuesday (Aug 25) at 5AM. 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 12s period and expected on Tuesday (Aug 25) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 21st Aug) | 4.5ft (1.3m) 7s |
| Best Surf | 5AM (Fri 21st Aug) | 4.5ft (1.3m) 7s |
| Most Powerful | 5AM (Tue 25th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Wailua/Horners over the next 16 days.
Short Range ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Warm (max 27°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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 7 | E 7 | E 6 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 7 | WNW 12 | E 7 | E 8 | E 8 | ENE 7 | ENE 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 179 | 161 | 116 | 122 | 119 | 108 | 84 | 61 | 164 | 68 | 108 | 121 | 152 | 269 | 247 | 410 | 408 | 383 | 589 | 592 | 836 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | cross-on | cross | glassy | on | on | on | on | on | cross-on | on | on | on |
High Tide | 4:49PM0.47m | 9:21AM0.56m | 11:08AM0.59m | 12:11PM0.63m | 12:52PM0.66m | 11:08PM0.31m | 1:24PM0.70m | 00:18AM0.34m | 1:52PM0.73m | 1:02AM0.38m | |||||||||||
Low Tide | 1:11PM0.44m | 00:38AM0.17m | 1:22AM0.18m | 2:38AM0.19m | 4:13AM0.18m | 9:06PM0.30m | 5:23AM0.15m | 8:47PM0.29m | 6:14AM0.12m | 8:51PM0.27m | |||||||||||
 | |  | | | |  | |  | | | | | |  | | | |  | |  | |
 | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 7:06 | — | — | 7:05 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | 2 | 2 | 4 |
Temp °C | 25 | 26 | 24 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 26 | 26 | 25 | 26 | 27 | 26 | 28 | 28 | 28 | 29 | 28 | 30 | 27 | 28 | 27 | 26 | 26 | 25 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | NE 7 | E 9 | E 8 | E 8 | E 8 | ENE 7 | E 7 | ENE 7 | W 10 | WNW 12 | WNW 12 | WNW 11 | NW 10 | SSE 12 | SE 12 | SE 12 | SSE 12 | SSE 12 |
| kJ | 165 | 168 | 80 | 44 | 119 | 108 | 84 | 61 | 164 | 68 | 108 | 74 | 142 | 269 | 215 | 104 | 94 | 71 | 152 | 177 | 230 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | WNW 12 | WNW 12 | SSE 10 | NE 6 | S 12 | NE 6 | NE 6 | W 10 | NNE 7 | W 10 | SSE 14 | S 14 | SSE 15 | SSE 12 | S 14 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 57 | 29 | 48 | 36 | 40 | 45 | 42 | 49 | 18 | 41 | 52 | 62 | 104 | 43 | 50 | 93 | 46 | 63 | 35 | 37 | 37 |
Swell 3 Height (m) Direction Period (s) | E 9 | SW 18 | SE 8 | S 12 | SSE 9 | SE 9 | SE 9 | SSE 10 | SE 9 | W 11 | SE 9 | SE 8 | WNW 14 | SSE 13 | SE 8 | SE 10 | NW 11 | SSE 13 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 15 | 12 | 17 | 44 | 31 | 20 | 23 | 18 | 21 | 55 | 20 | 18 | 73 | 54 | 17 | 26 | 43 | 57 | 63 | 60 | 31 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 6 | E 9 | — | NE 7 | — | — | — | — | — | ENE 7 | E 7 | E 7 | E 7 | E 8 | E 8 | ENE 7 | ENE 8 | ENE 8 | E 8 |
| kJ | 179 | 161 | 116 | 122 | — | 54 | — | — | — | — | — | 121 | 152 | 154 | 247 | 410 | 408 | 383 | 589 | 592 | 836 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 35 | 35 | 24 | 31 | 35 | 24 | 35 | 22 | 10 | 31 | 25 | 0 | 35 | 24 | 24 | 35 | 35 | 24 | 35 | 303 | 35 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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
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