Surf Forecasts:
Polihale surf forecast from 2 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 2PM (local time) - 10ft (3.0m), 15s period, SW swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 5PM (local time) - 10ft (3.0m), 14s period, SW swell with 3,558 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 8PM (local time) - 4ft (1.2m), 12s period with SW 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 Monday (Sep 07) at 8PM. The primary swell is predicted to be 1.2m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Polihale in the next 16 days are 3.0m 14s and forecast to arrive on Tuesday (Sep 08) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 14s period and expected on Saturday (Sep 05) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 7th Sep) | 4ft (1.2m) 12s |
| Best Surf | 2PM (Tue 8th Sep) | 10ft (3.0m) 15s |
| Most Powerful | 5PM (Tue 8th Sep) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Alright, listen up. Let's cut through the chatter. It's flat. It's been flat. And it's gonna stay flat for a while. The ocean is a fair-weather friend right now, giving us nothing but glassy but empty water from the start through the 7th of September. That's a long dry spell, no two ways about it. The water's a comfortable 81°F, right on the money for this time of year, but there's no swell to enjoy it in.
Everything changes on Tuesday, the 8th of September. That's the day the big mama shows up. We're looking at a combined energy reading of 2784, which is a lot of power. The swell is a massive 8ft to 10ft from the southwest, with a period of 14 to 15 seconds. That's a deep, long-period groundswell. This is for experts only, no question. The wind is offshore from the southeast, and the word is "excellent surf conditions for experienced surfers." This is the one. The only standout. The waves will be big, clean, and powerful. If you have the skills, this is your session.
Polihale is a sandbar, so a long-period swell like this can sometimes get a bit dumpy, but with the offshore wind and that much size, it's going to be a proper, serious wave. The crowd factor is there, so don't expect to have it to yourself.
The 9th of September sees a big comedown. The swell drops to 3ft from the WSW at 10 seconds, with a combined energy of 151. It's rideable, but ordinary. After that, the forecast gets quiet again. The 16th of September shows a glimmer of hope with a glassy 3ft from the NNW and a 12-second period, with a combined energy of 398. It's small but clean, so if you're on a longboard, it might be a fun little morning.
But let's be honest. The only real, truly exciting day is the 8th of September. Mark it. Get your gear ready. That's the one you've been waiting for.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 28°C on Thu morning, min 25°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||
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) | W 11 | ENE 8 | ENE 8 | ENE 8 | S 15 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | NNE 11 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | NNE 6 | ENE 12 | ENE 12 | ENE 13 | SW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 55 | 0 | 0 | 0 | 494 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | 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-off | off | cross-off |
High Tide | 4:48PM0.38m | 7:57AM0.54m | 9:28AM0.57m | 10:54AM0.60m | 11:59AM0.64m | 10:52PM0.20m | 12:49PM0.67m | 00:26AM0.24m | 1:31PM0.68m | 1:22AM0.29m | ||||||||||
Low Tide | 11:51PM0.08m | 00:29AM0.08m | 1:24AM0.09m | 2:52AM0.10m | 8:55PM0.19m | 8:38PM0.18m | 5:45AM0.08m | 8:48PM0.16m | ||||||||||||
 |  |  |  | | | | | | |  | | | | | | | |  |  | |
 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — |
mm | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 |
Temp °C | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 26 | 26 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 27 | 29 | 29 | 28 | 30 | 29 | 25 | 27 | 28 | 25 | 29 | 29 | 27 | 30 | 30 | 28 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | ENE 8 | ENE 8 | ENE 8 | S 15 | S 14 | S 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | E 13 | ENE 12 | ENE 12 | ENE 13 | ENE 12 |
| kJ | 329 | 310 | 372 | 315 | 279 | 206 | 192 | 111 | 181 | 198 | 309 | 1322 | 1344 | 1400 | 1192 | 961 | 1069 | 1052 | 1086 | 1051 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 17 | S 16 | S 16 | S 11 | E 13 | E 13 | S 13 | E 14 | E 14 | E 14 | S 12 | S 12 | S 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SW 12 |
| kJ | 16 | 293 | 339 | 326 | 37 | 85 | 83 | 130 | 199 | 232 | 401 | 488 | 547 | 358 | 308 | 268 | 270 | 386 | 449 | 494 |
Swell 3 Height (m) Direction Period (s) | W 11 | SW 14 | SSW 13 | S 10 | E 14 | S 11 | SE 13 | E 12 | S 13 | SSW 13 | NNE 11 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 17 | SSW 17 | SSW 15 |
| kJ | 10 | 52 | 33 | 32 | 62 | 20 | 78 | 74 | 90 | 34 | 12 | 61 | 61 | 103 | 146 | 209 | 348 | 385 | 498 | 385 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | — | — | — | — | NNE 6 | — | — | — | — |
| kJ | 285 | — | — | 418 | 243 | 277 | 263 | 280 | 294 | 336 | 302 | — | — | — | — | 55 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 18 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 14 | 8 | 8 | 8 | 8 | 8 | 36 | 0 |
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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