Surf Forecasts:
Polihale surf forecast from 3 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 8AM (local time) - 6ft (1.9m), 9s period, NW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 5PM (local time) - 15ft (4.5m), 9s period, SW swell with 3,566 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 8AM (local time) - 6ft (1.9m), 9s period with NW 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 Wednesday (Sep 09) at 8AM. The primary swell is predicted to be 1.9m and 9s 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 4.5m 9s and forecast to arrive on Tuesday (Sep 08) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 7.5m 13s period and expected on Tuesday (Sep 08) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 9th Sep) | 6ft (1.9m) 9s |
| Best Surf | 8AM (Wed 9th Sep) | 6ft (1.9m) 9s |
| Most Powerful | 5PM (Tue 8th Sep) | 15ft (4.5m) 9s |
Table - best surf conditions forecast for Polihale over the next 16 days.
The Lowdown
Howdy folks, Rusty here again. Let’s talk about Polihale in feet and miles per hour.
Gotta level with you: it’s gonna be a long, dry spell before we see anything real. Over a week of close to nothing except some tiny scraps.
From now until Tuesday the 8th of September, the ocean’s asleep. Water’s typical for the season, no temp anomaly to speak of. Sunday the 6th teases with a 2ft NNE windswell at 6 seconds (combined energy just 44) – cross-shore wind, not worth the walk.
Then Tuesday the 8th blows up: a massive 13ft SW swell with a 9-second period, combined energy hitting 3581. Problem is, it’s blowing 35 km/h onshore. That’s a washing machine. Too big and ugly for just about anyone on a paddleboard – would be a kite-surfer’s playground, but for us? Hard pass.
The only true standout is Wednesday the 9th. Swell drops to a solid 6ft from the NW, period 8 seconds (energy 450). Wind goes light and cross-offshore from the S at 10 km/h. Morning looks clear with good surf conditions. That’s the day. Polihale, with its exposure to that NW direction, should actually link up and give some clean, rideable waves for the experienced crew.
That good window is short. Thursday the 10th and Friday the 11th fall back to ordinary knee-high dribble. Gotta mention Friday morning the 11th – glassy dawn, tiny 2ft swell but with a 16-second period from the SW. That long period groundswell will make those little waves fat and straight at a sandbar – weird but maybe a longboarder finds a fun one.
From Saturday the 13th onward, it’s flat, tiny, or just sloppy. Monday the 14th shows a 3ft NE bump, but nothing inspiring. The rest of the second week is a snooze.
So to sum it up: Wednesday the 9th is your best bet, and it’s not a close call. The rest of the 16 days is mostly a bust.
Keep your eyes peeled for changes.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 27°C on Wed afternoon, min 24°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 67mm), heaviest during Mon night. Warm (max 27°C on Sat afternoon, min 24°C on Mon morning). Winds increasing (light winds from the E on Sat afternoon, stormy winds from the ESE by Mon night). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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) | S 16 | S 15 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | NNE 6 | E 14 | NNE 9 | N 11 | NNE 6 | N 10 | NNE 6 | E 13 | NNW 13 | NW 12 | NW 11 | SW 9 | WNW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 0 | 16 | 2 | 36 | 8 | 55 | 0 | 64 | 69 | 30 | 3566 | 1195 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 9:28AM0.57m | 10:54AM0.60m | 11:59AM0.64m | 10:52PM0.20m | 12:49PM0.67m | 00:26AM0.24m | 1:31PM0.68m | 1:22AM0.29m | 2:07PM0.68m | 2:09AM0.35m | ||||||||||
Low Tide | 00:29AM0.08m | 1:24AM0.09m | 2:52AM0.10m | 8:55PM0.19m | 8:38PM0.18m | 5:45AM0.08m | 8:48PM0.16m | 6:48AM0.08m | 9:04PM0.15m | |||||||||||
 |  |  | | | | | | | | | |  |  |  |  |  | |  |  | |
 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 4 | 49 | 7 | 5 | 7 |
Temp °C | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 24 | 24 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 28 | 28 | 27 | 26 | 28 | 27 | 25 | 28 | 28 | 27 | 29 | 29 | 27 | 24 | 24 | 18 | 14 | 22 | 26 |
Swell 1 Height (m) Direction Period (s) | S 16 | ENE 8 | S 14 | S 14 | SSE 12 | E 14 | E 13 | E 14 | E 14 | S 12 | ENE 14 | S 12 | ENE 13 | SSW 13 | ENE 13 | SSW 14 | SSW 15 | E 10 | ENE 10 | WNW 9 |
| kJ | 326 | 243 | 206 | 192 | 104 | 199 | 225 | 325 | 472 | 344 | 1333 | 657 | 1157 | 1192 | 1430 | 2345 | 7087 | 3669 | 689 | 1195 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 15 | E 13 | SE 12 | S 13 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSW 18 | S 12 | NNE 6 | SSW 13 | NNE 6 | SSW 14 | NNW 13 | NW 12 | NW 11 | E 14 | ENE 10 |
| kJ | 32 | 279 | 85 | 73 | 130 | 117 | 111 | 202 | 299 | 61 | 566 | 36 | 1011 | 55 | 947 | 64 | 69 | 30 | 100 | 248 |
Swell 3 Height (m) Direction Period (s) | E 14 | S 11 | S 11 | E 13 | E 12 | SSW 13 | SSW 13 | NNE 6 | SSW 18 | NNE 9 | N 11 | N 10 | N 10 | S 18 | SSW 12 | NW 13 | SSE 9 | NW 13 | SW 20 | SSW 14 |
| kJ | 16 | 37 | 20 | 83 | 74 | 59 | 58 | 48 | 61 | 16 | 2 | 8 | 8 | 246 | 569 | 42 | 8 | 27 | 15 | 210 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | — | E 13 | — | E 12 | E 13 | ENE 13 | ENE 8 | S 13 | SW 9 | S 9 |
| kJ | 334 | — | 306 | 285 | 249 | 286 | 286 | 228 | 272 | 1526 | — | 986 | — | 855 | 1834 | 1713 | 1025 | 21100 | 3566 | 241 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 170 | 162 | 21 | 342 | 369 | 24 | 24 |
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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