Surf Forecasts:
Unreals surf forecast from 10 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 5PM (local time) - 15ft (4.5m), 12s period, E swell with 6,532 kJ wave energy.
Best Forecast Surf Conditions for Unreals this week:
The most powerful waves expected at Unreals in the next 16 days are 4.5m 12s and forecast to arrive on Sunday (Aug 16) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 16s period and expected on Thursday (Aug 13) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Sun 16th Aug) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Unreals over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s have a look at the forecast for Unreals over the next 16 days.
Truth be told, it’s a pretty flat run for a while. The first week offers almost nothing worthwhile. Monday the 10th through to Friday the 14th are all write-offs – messy cross-onshore wind, short period swell around 7-8 seconds, and the water temp is sitting at 80°, which is about normal for this time of year. The swell energy is weak, mostly in the 170-250 range, so not much to get excited about. The wind is a problem, making conditions choppy and poor.
Saturday the 15th and Sunday the 16th see a big jump in swell size and energy, but the wind is howling – 19 mph on Saturday and a severe gale at 47 mph on Sunday. That’s not for paddle surfing; if you’ve got a kite, that Sunday might be interesting, but for a regular wave rider, it’s a no-go.
Now, Sunday the 16th afternoon does clean up with a cross-offshore wind and a solid 15 ft east swell (12-second period, very long period groundswell). The energy is massive at 6532, so this is a powerful, clean-looking window. But let’s be real – that size is only for experts. The break here is a reef and point setup, so that long-period swell might actually wrap in nicely and offer some deep barrels, but it’s gonna be big and heavy. This is the standout of the whole forecast, but it’s a serious one. Crowds are often here, so expect a few others with the same idea.
Monday the 17th drops back to 8 ft with a shorter 9-second period and cross-shore wind, making it lumpy. The energy is still high at 1615, but the quality is marginal. After that, from Tuesday the 18th all the way through to Tuesday the 25th, it’s back to small, choppy, and poor – cross-onshore wind, short period, and energy below 350. A real gap of surfable days.
So, the one true standout is Sunday the 16th afternoon. If you’re an expert and you can handle a 15 ft east swell with clean, offshore wind, that’s your window. For everyone else, this is a long stretch of nothing.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 24mm), heaviest during Sat night. Warm (max 26°C on Thu morning, min 25°C on Thu night). Winds increasing (moderate winds from the NE on Thu morning, gales from the N by Sat night). | ||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | |||||||||||||||
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 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | ENE 7 | E 7 | ENE 8 | ENE 8 | E 8 | E 10 | E 11 | E 12 | E 11 | E 12 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 186 | 213 | 149 | 181 | 152 | 172 | 158 | 154 | 158 | 193 | 206 | 320 | 427 | 473 | 809 | 1343 | 1780 | 2839 | 2880 | 6532 | 5050 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 2:19PM0.85m | 1:29AM0.39m | 2:54PM0.85m | 2:21AM0.43m | 3:26PM0.83m | 3:09AM0.47m | 3:55PM0.78m | 3:57AM0.51m | 4:21PM0.72m | 4:45AM0.53m | 4:42PM0.65m | 5:35AM0.55m | 4:58PM0.58m | ||||||||
Low Tide | 9:19PM0.25m | 7:29AM0.01m | 9:42PM0.23m | 8:15AM0.03m | 10:06PM0.21m | 8:59AM0.07m | 10:30PM0.18m | 9:42AM0.14m | 10:54PM0.17m | 10:24AM0.21m | 11:18PM0.15m | 11:07AM0.30m | 11:42PM0.15m | ||||||||
 |  |  |  | |  | | |  | | | |  | |  |  | |  |  | | | |
 | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 7:12 | — | — | 7:10 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — |
mm | 1 | — | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | 2 | 20 | 27 | 15 | 5 |
Temp °C | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 |
Feels °C | 27 | 27 | 26 | 27 | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | S 15 | E 7 | S 14 | S 18 | S 18 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | E 12 | S 12 | S 13 | S 13 |
| kJ | 186 | 213 | 149 | 110 | 152 | 181 | 416 | 620 | 755 | 728 | 582 | 524 | 422 | 333 | 324 | 225 | 171 | 2839 | 145 | 114 | 85 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | SSE 9 | S 14 | S 20 | S 13 | S 13 | W 12 | NNW 8 | SE 9 | W 12 | W 12 | ESE 11 | NNW 9 | WNW 13 | S 16 | S 13 | S 17 | S 16 | S 16 |
| kJ | 129 | 113 | 168 | 32 | 148 | 268 | 168 | 163 | 25 | 6 | 13 | 11 | 11 | 90 | 15 | 33 | 46 | 162 | 147 | 127 | 127 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | SSE 10 | NE 8 | NNW 8 | SSE 9 | SSE 9 | SE 9 | SE 9 | NNW 9 | W 12 | NNW 7 | SE 9 | NNW 7 | W 11 | W 11 | NNW 8 | NNW 8 | S 18 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 26 | 37 | 28 | 11 | 32 | 30 | 20 | 19 | 8 | 11 | 5 | 14 | 5 | 22 | 21 | 13 | 11 | 98 | 28 | 25 | 24 |
Wind waves Height (m) Direction Period (s) | NE 7 | — | — | E 7 | — | E 7 | E 7 | E 7 | E 6 | E 7 | ENE 7 | E 7 | ENE 8 | ENE 8 | E 8 | E 10 | E 11 | — | E 11 | E 12 | E 10 |
| kJ | 36 | — | — | 181 | — | 172 | 158 | 154 | 158 | 193 | 206 | 320 | 427 | 473 | 809 | 1343 | 1780 | — | 2880 | 6532 | 5050 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 44 | 16 | 22 | 44 | 22 | 44 | 35 | 35 | 35 | 44 | 44 | 44 | 44 | 22 | 44 | 44 | 415 | 324 | 139 | 22 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Unreals Surf forecast
The above surf forecast table for Unreals provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Unreals can be found by selecting the local surf guide option on the grey menu. Our Unreals 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 (Unreals) 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 Unreals 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 Unreals, camping, hotels and condos and appartments in Kaua'i, consider staying in Lihue - Kauai which is 19 km (12 miles) away. Alternatively, find information about places to stay and car hire in Nawiliwili which is 21 km (13 miles) away
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