Surf Forecasts:
Polihale surf forecast from 12 Sep 2026:
- Best quality surf: Saturday 12 Sep, 11AM (local time) - 1.5ft (0.5m), 16s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 15 Sep, 5AM (local time) - 1.5ft (0.5m), 21s period, SW swell with 220 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 2AM (local time) - 1.5ft (0.5m), 15s 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 Saturday (Sep 12) at 2AM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.7m and 7s. 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 0.5m 21s and forecast to arrive on Tuesday (Sep 15) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Thursday (Sep 17) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 12th Sep) | 1.5ft (0.5m) 15s |
| Best Surf | 11AM (Sat 12th Sep) | 1.5ft (0.5m) 16s |
| Most Powerful | 5AM (Tue 15th Sep) | 1.5ft (0.5m) 21s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what the next couple of weeks are shaping up like for us.
Alright, straight up, the next week and a half looks pretty quiet. We're in for a long stretch of small, weak surf, but the back end of the forecast window finally shows some signs of life. The main event looks to be that last weekend of September, so keep that penciled in.
We kick things off on Saturday, September 12th, with a little spike at Polihale. A small 2ft groundswell is coming in from the southwest, with a very long 16-second period. The combined energy is moderate at 206, and with glassy morning conditions, the waves will be clean but small. This is the only real blip for a while.
From there, it goes pretty flat. We've got a solid 12-day gap with nothing worth shouting about – just dribbles of weak, short-period energy under 3ft and combined energy readings well under 150. If you're just learning, nothing here will hurt you, but there's nothing to ride either. The winds stay light, which is a bonus for the scenery, but the ocean is basically taking a nap. By the time we get to the 18th and 19th of September, it's total flatness.
Things finally start to look up on the morning of Friday, September 25th. That's when a new clean swell bumps up to 4ft from the NNW with a 10-second period and combined energy jumping to 288. The winds are glassy, so this will be a proper turn-up. The good news carries into Saturday the 26th with similar 4ft waves from the north, again with glassy morning conditions and energy around 252. This is the pick of the fortnight. With glassy conditions and waves big enough to get you into a decent wave face, this is what we've been waiting for. It's not a huge swell, so it's fine for most skill levels, but that size with full glass is a true standout.
Be aware that the wind turns a bit cross in the afternoon, but the mornings will be worth the wait.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Fri night, min 24°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Wed afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | SW 15 | SW 16 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 7 | NNE 8 | SSW 17 | ENE 8 | WNW 9 | NW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 109 | 118 | 138 | 112 | 129 | 112 | 129 | 120 | 115 | 112 | 67 | 86 | 57 | 37 | 51 | 0 | 0 | 7 | 34 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross | cross-off | glassy | cross | cross-off | glassy | cross | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:16AM0.51m | 3:55PM0.48m | 4:58AM0.54m | 4:12PM0.42m | 5:42AM0.55m | 4:21PM0.37m | 6:31AM0.55m | 4:06PM0.33m | 7:32AM0.53m | 8:53AM0.52m | |||||||||
Low Tide | 9:57PM0.11m | 10:11AM0.20m | 10:15PM0.10m | 11:04AM0.24m | 10:33PM0.09m | 12:04PM0.28m | 10:52PM0.10m | 1:33PM0.31m | 11:13PM0.11m | 11:36PM0.12m | 00:08AM0.14m | ||||||||
 |  | | |  | |  | | | | | | | | | | | | | |
 | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:45 | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 27 | 29 | 28 | 27 | 29 | 27 | 27 | 29 | 29 | 29 | 30 | 31 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | SSW 18 | SW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 18 |
| kJ | 156 | 88 | 138 | 112 | 129 | 112 | 129 | 120 | 115 | 112 | 67 | 86 | 57 | 273 | 316 | 190 | 169 | 232 | 404 |
Swell 2 Height (m) Direction Period (s) | NE 7 | E 10 | E 10 | E 10 | ENE 9 | ENE 5 | SW 14 | SW 14 | SW 22 | SW 21 | SSW 20 | SSW 19 | SSW 19 | NNE 7 | NNE 8 | E 10 | SSW 20 | SSW 20 | NW 12 |
| kJ | 50 | 98 | 68 | 65 | 27 | 8 | 51 | 49 | 119 | 117 | 256 | 251 | 246 | 37 | 51 | 31 | 149 | 77 | 34 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 16 | SSW 16 | SSW 13 | SW 15 | ENE 9 | WNW 12 | SSW 23 | SW 14 | SSW 13 | E 5 | SSW 12 | E 6 | E 11 | E 10 | SSW 21 | E 10 | WNW 9 | WSW 10 |
| kJ | 109 | 118 | 98 | 68 | 54 | 16 | 14 | 54 | 48 | 34 | 14 | 29 | 25 | 37 | 32 | 86 | 33 | 7 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 5 | E 5 | E 4 | E 5 | E 5 | — | E 5 | — | ENE 6 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 9 |
| kJ | — | — | — | — | — | 16 | 4 | 6 | 25 | 19 | — | 19 | — | 48 | 66 | 196 | 226 | 339 | 417 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 8 | 0 | 0 | 8 | 0 | 0 | 8 | 0 | 0 | 0 | 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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