Surf Forecasts:
Polihale surf forecast from 25 Aug 2026:
- Most powerful swell: Wednesday 26 Aug, 5PM (local time) - 1.5ft (0.5m), 10s period, NW swell with 47 kJ wave energy.
Best Forecast Surf Conditions for Polihale this week:
The most powerful waves expected at Polihale in the next 16 days are 0.5m 10s and forecast to arrive on Wednesday (Aug 26) 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 1.8m 8s period and expected on Monday (Aug 31) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Wed 26th Aug) | 1.5ft (0.5m) 10s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down what’s coming down the line. Got to be honest – we’re looking at a long, flat stretch, so don’t rush to grab your board just yet.
The next 16 days start off real quiet. From Monday the 24th of August all the way through to the 6th of September, there’s basically no surf worth mentioning. The swell is tiny or flat, with no energy to speak of. By Tuesday the 3rd and Wednesday the 4th of September, there’s nothing at all. It’s a blank spell, plain and simple.
The first little blip of life shows on Sunday the 6th of September at Polihale (a sandbar). Early on we get a small NW swell at about 2ft, with a period of 12 seconds. Water temp is 81°, about average for this time of year. The combined energy is weak to moderate at 157, and the wind is a cross-offshore breeze out of the E at 10 mph, keeping things clean. It’s surfable, but it’s barely a ripple. The quality is described as very ordinary.
That Sunday afternoon drops a bit – 2ft from the NW, 12 seconds, energy at 116, still clean with a light Easterly.
Then Monday the 7th of September brings a morning swell from the NNW at 2ft, 11 seconds, energy down to 79 – real weak. But the afternoon is where it gets a little interesting: we see a jump to a very long 18-second period from the NW, though only at 2ft. The combined energy climbs to 319, solid moderate to strong for that size. But a long period groundswell like that is best on a point or reef, not a sandbar. And with an E/ENE wind at 15 mph, it’s a cross-off breeze, so not glassy. It’s also listed as marginal for tide or other conditions.
Tuesday the 8th of September is similar: NW swell at 3ft to 3ft, 15-14 seconds, energy between 326 and 288, but still with a cross-off wind at 12-15 mph. Clean, but not ideal.
So what’s the pick? The cleanest, smallest waves are on the morning of Sunday the 6th of September. The longer period stuff on the 7th and 8th has more push but is bumpy and not the best shape for this break. Nothing really stands out as a winner.
Hang tight, the ocean’s taking it easy for a while.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 29°C on Mon morning, min 25°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
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) | WNW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NNE 7 | NNE 6 | NNE 7 | NNE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 65 | 42 | 43 | 42 | 22 | 22 | 30 | 47 | 42 | 21 | 20 | 10 | 10 | 26 | 22 | 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-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:10PM0.64m | 1:30AM0.27m | 2:37PM0.65m | 2:08AM0.30m | 3:02PM0.65m | 2:47AM0.34m | 3:26PM0.63m | 3:27AM0.39m | 3:48PM0.59m | 4:09AM0.43m | 4:09PM0.55m | 4:54AM0.47m | 4:28PM0.49m | ||||||||
Low Tide | 9:31PM0.19m | 7:04AM0.07m | 9:41PM0.18m | 7:45AM0.07m | 9:54PM0.17m | 8:24AM0.09m | 10:08PM0.16m | 9:05AM0.12m | 10:23PM0.14m | 9:48AM0.16m | 10:41PM0.12m | 10:36AM0.21m | 11:00PM0.10m | ||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | |
 | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — |
mm | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 26 | 27 | 27 | 26 |
Feels °C | 31 | 30 | 30 | 30 | 29 | 28 | 29 | 29 | 27 | 29 | 29 | 27 | 29 | 29 | 27 | 28 | 29 | 26 | 29 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | SSW 13 | SSW 12 | S 16 | S 16 | SSW 14 | SSW 14 | SSW 13 | S 19 | S 16 | S 16 | ENE 6 | S 15 | S 14 | S 14 | S 13 | S 13 | ENE 7 | ENE 7 | S 12 | ENE 7 |
| kJ | 65 | 102 | 89 | 131 | 127 | 165 | 163 | 139 | 336 | 343 | 342 | 68 | 267 | 188 | 178 | 168 | 162 | 178 | 168 | 100 | 222 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | NW 9 | NW 9 | SSW 12 | SSW 12 | SSW 18 | S 18 | S 18 | SSW 13 | S 12 | S 12 | S 15 | NNE 6 | NNE 7 | NNE 6 | E 14 | E 14 | S 12 | S 12 | SSW 16 | SSW 15 |
| kJ | 107 | 42 | 43 | 58 | 86 | 110 | 167 | 225 | 96 | 72 | 73 | 362 | 10 | 26 | 22 | 97 | 93 | 105 | 100 | 98 | 126 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSW 16 | NW 9 | NW 9 | NW 9 | NW 9 | NW 10 | NW 9 | NW 9 | NW 9 | NNE 7 | SSW 11 | SSW 10 | E 14 | SSW 18 | SW 17 | E 13 | SSW 16 | ENE 12 | S 12 |
| kJ | 32 | 29 | 91 | 42 | 22 | 22 | 30 | 47 | 42 | 21 | 20 | 10 | 40 | 21 | 64 | 62 | 75 | 87 | 100 | 47 | 65 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | — | E 7 | E 7 | E 6 | ENE 7 | ENE 7 | — | — | ENE 7 | — |
| kJ | 171 | 149 | 132 | 139 | 151 | 142 | 128 | 120 | 105 | 75 | 108 | — | 56 | 70 | 86 | 149 | 181 | — | — | 209 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 14 | 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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