Surf Forecasts:
Polihale surf forecast from 1 Sep 2026:
- Best quality surf: Tuesday 1 Sep, 5AM (local time) - 5ft (1.6m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Monday 31 Aug, 11PM (local time) - 5ft (1.6m), 8s period, NE swell with 291 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 5AM (local time) - 5ft (1.6m), 8s 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 Tuesday (Sep 01) at 5AM. The primary swell is predicted to be 1.6m and 8s 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 1.6m 8s and forecast to arrive on Monday (Aug 31) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 12s period and expected on Monday (Sep 07) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 1st Sep) | 5ft (1.6m) 8s |
| Best Surf | 5AM (Tue 1st Sep) | 5ft (1.6m) 8s |
| Most Powerful | 11PM (Mon 31st Aug) | 5ft (1.6m) 8s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Right, so the 16-day window for Polihale starts off pretty flat, a real bummer. We're looking at a whole lot of nothing from August 31st right through to September 7th. The water temp’s sitting around 81°, which is about average for this time of year, nothing special. You're basically staring at a lake. This first stretch is a write-off.
But hang in there, because things finally get interesting around September 8th. We start to see some small, ordinary waves coming in, but it's nothing to write home about. The real standout is September 9th. Wednesday morning and afternoon is where it's at. We've got a 4 ft south-west swell rolling in with a solid 12-second period, giving it some decent push. The combined energy is solid (341), and the key here is the wind: on Wednesday morning it's dead glassy with a little WNW breeze, and by the afternoon it's just a slight air from the east. That means *clean* surf, real pretty, and for an exposed sandbar like Polihale, that's gold. This is the best on offer by a long shot.
The quality dips after that. The 10th heads back to ordinary conditions, and the 12th and 13th bring some confused, weak swell from the north-northwest. There's a tiny blip on the 14th with some knee-high north-east swell and glassy conditions in the morning, but it's short-period (8 seconds) and weak energy (136). It's surfable, but only just. Then we're back to poor conditions. Overall, the 9th is your one true window for a proper session. Anything else is a gamble.
Rusty
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | W 11 | ENE 8 | ENE 8 | ENE 8 | S 15 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SW 20 | NNE 11 | S 12 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 11 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:43PM0.43m | 6:43AM0.52m | 4:48PM0.38m | 7:57AM0.54m | 9:28AM0.57m | 10:54AM0.60m | 11:59AM0.64m | 10:52PM0.20m | 12:49PM0.67m | 00:26AM0.24m | ||||||||||
Low Tide | 11:23PM0.09m | 12:52PM0.32m | 11:51PM0.08m | 00:29AM0.08m | 1:24AM0.09m | 2:52AM0.10m | 8:55PM0.19m | 8:38PM0.18m | ||||||||||||
 |  | | | |  | | | | | | | | | | | | |  |  | |
 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:55 | — | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Temp °C | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 28 | 28 | 27 |
Feels °C | 28 | 27 | 28 | 28 | 28 | 30 | 29 | 29 | 29 | 29 | 26 | 28 | 27 | 26 | 29 | 29 | 28 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | ENE 8 | ENE 8 | SSW 18 | ENE 8 | ENE 8 | ENE 8 | S 15 | S 14 | S 14 | S 13 | SSE 12 | SSE 12 | S 11 | ENE 7 | ENE 13 | ENE 13 | ENE 13 | SSW 11 | ENE 12 |
| kJ | 118 | 322 | 302 | 329 | 345 | 315 | 307 | 279 | 206 | 192 | 130 | 217 | 252 | 305 | 279 | 1255 | 1156 | 1162 | 218 | 1002 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 19 | S 18 | S 10 | S 17 | S 16 | S 16 | E 14 | E 13 | E 13 | E 12 | E 14 | E 14 | E 13 | S 12 | S 11 | S 11 | SSW 12 | SSW 19 | SSW 10 |
| kJ | 56 | 192 | 235 | 16 | 293 | 339 | 326 | 62 | 85 | 83 | 74 | 131 | 175 | 222 | 454 | 426 | 291 | 361 | 283 | 173 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | S 10 | SSW 14 | W 11 | S 10 | S 10 | S 10 | S 11 | S 11 | SE 13 | SE 12 | SSW 13 | SW 20 | NNE 11 | E 13 | SSW 18 | SSW 16 | SSW 16 | S 12 | SSW 18 |
| kJ | 72 | 33 | 78 | 10 | 18 | 19 | 32 | 37 | 21 | 82 | 69 | 60 | 15 | 11 | 277 | 61 | 102 | 103 | 43 | 344 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | ENE 8 | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — | ENE 13 | — |
| kJ | 314 | — | — | 285 | — | — | — | 284 | 339 | 336 | 331 | 388 | 348 | 302 | — | — | — | — | 1156 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 344 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
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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