Surf Forecasts:
Polihale surf forecast from 10 Aug 2026:
- Best quality surf: Saturday 15 Aug, 5AM (local time) - 4.5ft (1.3m), 7s period, NE swell with cross-offshore winds.
- Most powerful swell: Saturday 15 Aug, 2PM (local time) - 4.5ft (1.4m), 7s period, NE swell with 189 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 5AM (local time) - 4.5ft (1.3m), 7s period with NE swell.
Best Forecast Surf Conditions for Polihale this week:
The surf forecast for Polihale over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 15) at 5AM. The primary swell is predicted to be 1.3m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Polihale in the next 16 days are 1.4m 7s and forecast to arrive on Saturday (Aug 15) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Monday (Aug 17) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 15th Aug) | 4.5ft (1.3m) 7s |
| Best Surf | 5AM (Sat 15th Aug) | 4.5ft (1.3m) 7s |
| Most Powerful | 2PM (Sat 15th Aug) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s see what’s shaking at Polihale over the next couple weeks.
Right now, it’s dead flat. Total glass-off. The first five days are a bust. From Monday the 10th through Friday the 14th of August, there’s basically nothing rideable. Monday morning had a tiny 2ft windswell from the NE with a short 6-second period and weak energy (32), but that's it. The water’s a warm 81°, pretty normal for this time of year. Good for a swim, bad for a surf.
Finally on Saturday the 15th, we get a pulse. Morning brings 4ft from the NE, but it’s short period (7 seconds) and cross-shore wind. Combined energy is moderate (203), so there’s some grunt, but the quality is just marginal. It’s the first real wave of the forecast, and it’s not great, but it’s the best so far.
After that, it’s back to small stuff. Some long-period WNW groundswell (12 seconds) shows up, but it’s only 1ft to 1ft. Sunday the 16th has strong offshore winds (28 mph) which cleans it right up, but makes paddling out a battle. The 17th and 18th are clean and small.
Then Thursday the 20th and Friday the 21st of August are the real bright spots. Thursday afternoon, a long-period 18-second SW groundswell rolls in at 2ft, with moderate energy (187). Wind is light cross-offshore from the ENE. Friday morning keeps that SW swell going at 2ft with 16-second period and similar energy (163). These are proper groundswells, but ankle-high. At a sandbar like Polihale, a long-period swell that small can still offer a clean little peel if you’re on a log. With light offshore winds making it glassy, this is your best window for a quiet session.
The rest of the second week is tiny, with waves under 2ft and periods usually under 10 seconds. Crowds are “sometimes” at Polihale, so you’ll likely have it to yourself mid-week.
Classic summer lull. If you’re itching, keep your eyes on that SW groundswell on the 20th and 21st. It’s nothing special, but it’s the best we’ve got.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Mon morning, min 24°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Sat night. Warm (max 27°C on Thu morning, min 25°C on Thu morning). Winds increasing (light winds from the ENE on Fri afternoon, near 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) | NE 6 | SSW 15 | NE 7 | NE 6 | SSW 14 | WNW 13 | S 18 | WNW 12 | W 12 | W 12 | W 11 | W 12 | W 12 | W 11 | W 11 | NE 7 | WNW 13 | W 12 | WNW 12 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 32 | 0 | 14 | 14 | 0 | 57 | 0 | 56 | 25 | 25 | 23 | 24 | 24 | 21 | 21 | 169 | 34 | 75 | 47 | 42 | 40 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | glassy | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | off | off | off |
High Tide | 2:38PM0.75m | 1:56AM0.26m | 3:15PM0.75m | 2:49AM0.30m | 3:48PM0.72m | 3:40AM0.35m | 4:18PM0.67m | 4:31AM0.39m | 4:45PM0.60m | 5:23AM0.42m | 5:07PM0.53m | 6:19AM0.45m | 5:22PM0.46m | ||||||||
Low Tide | 10:03PM0.17m | 7:37AM0.01m | 10:23PM0.16m | 8:27AM0.03m | 10:45PM0.15m | 9:15AM0.07m | 11:07PM0.14m | 10:02AM0.13m | 11:28PM0.13m | 10:51AM0.20m | 11:49PM0.12m | 11:46AM0.27m | 00:11AM0.12m | ||||||||
 |  |  | | |  | | | | | | | | | | | |  |  |  |  | |
 | 6:13 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 7:13 | — | — | 7:13 | — | — | 7:12 | — | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 34 | 19 | 1 |
Temp °C | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 27 |
Feels °C | 30 | 31 | 30 | 31 | 29 | 28 | 29 | 29 | 28 | 28 | 29 | 27 | 29 | 29 | 27 | 29 | 29 | 27 | 20 | 22 | 28 |
Swell 1 Height (m) Direction Period (s) | E 8 | ENE 8 | E 8 | E 8 | ENE 7 | SSW 14 | ENE 7 | S 18 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | E 9 | S 13 | S 13 | S 12 | S 13 | S 13 |
| kJ | 80 | 123 | 78 | 72 | 86 | 243 | 86 | 620 | 526 | 868 | 697 | 524 | 510 | 411 | 324 | 320 | 222 | 215 | 145 | 114 | 83 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 20 | SSW 13 | SSW 13 | SSW 13 | W 12 | W 11 | W 12 | W 12 | W 11 | E 13 | S 13 | WNW 13 | W 12 | S 17 | S 16 | S 16 |
| kJ | 198 | 179 | 234 | 167 | 158 | 268 | 218 | 218 | 218 | 25 | 23 | 24 | 24 | 21 | 84 | 225 | 34 | 75 | 148 | 127 | 125 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | NE 7 | NE 6 | SSW 11 | WNW 13 | S 18 | WNW 12 | W 12 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | W 11 | WNW 13 | NNW 8 | S 18 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 48 | 46 | 14 | 14 | 40 | 57 | 418 | 56 | 25 | 6 | 5 | 5 | 5 | 6 | 21 | 34 | 11 | 57 | 47 | 42 | 40 |
Wind waves Height (m) Direction Period (s) | NE 6 | — | — | — | — | ENE 7 | — | ENE 7 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | NE 7 | ENE 10 | ENE 12 | ENE 11 | ENE 12 | ENE 10 |
| kJ | 32 | — | — | — | — | 86 | — | 99 | 88 | 99 | 136 | 176 | 242 | 303 | 385 | 169 | 804 | 1525 | 1628 | 2740 | 4040 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 8 | 14 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 454 | 364 | 180 | 25 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Polihale Surf forecast
The above surf forecast table for Polihale provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Polihale can be found by selecting the local surf guide option on the grey menu. Our Polihale 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 (Polihale) 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 Polihale 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 Polihale, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 43 km (27 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 45 km (28 miles) away
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