
Surf Forecasts:
Irmas/Leftpoint surf forecast from 5 Oct 2026:
- Best quality surf: Friday 9 Oct, 11PM (local time) - 3.5ft (1.0m), 16s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 11 Oct, 2AM (local time) - 3.5ft (1.0m), 18s period, S swell with 620 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 5AM (local time) - 3ft (0.9m), 15s period with SSW swell.
Best Forecast Surf Conditions for Irmas/Leftpoint this week:
The surf forecast for Irmas/Leftpoint over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 5AM. The primary swell is predicted to be 0.9m and 15s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Irmas/Leftpoint in the next 16 days are 1.0m 18s and forecast to arrive on Sunday (Oct 11) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 12s period and expected on Saturday (Oct 10) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 7th Oct) | 3ft (0.9m) 15s |
| Best Surf | 11PM (Fri 9th Oct) | 3.5ft (1.0m) 16s |
| Most Powerful | 2AM (Sun 11th Oct) | 3.5ft (1.0m) 18s |
Table - best surf conditions forecast for Irmas/Leftpoint over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 26°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (strong winds from the ENE on Sun afternoon, calm by Tue night). | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Thu night. Warm (max 27°C on Thu afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | ||||||||||||||
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 6 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 18 | SSW 17 | S 16 | SSW 16 | S 20 | S 19 | S 18 |
Wave Graph | ||||||||||||||||||||
303 | 333 | 399 | 367 | 341 | 324 | 318 | 376 | 366 | 331 | 232 | 137 | 181 | 390 | 487 | 422 | 329 | 485 | 472 | 620 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross |
High Tide | 11:25PM0.27m | 11:29AM0.65m | 00:16AM0.34m | 12:15PM0.64m | 1:00AM0.42m | 12:55PM0.60m | 1:39AM0.50m | 1:31PM0.55m | 2:16AM0.57m | 2:03PM0.50m | 2:52AM0.62m | 2:34PM0.43m | 3:28AM0.65m | |||||||
Low Tide | 6:24PM0.09m | 4:28AM0.12m | 6:54PM0.06m | 5:43AM0.11m | 7:20PM0.05m | 6:46AM0.11m | 7:44PM0.03m | 7:42AM0.11m | 8:06PM0.02m | 8:34AM0.12m | 8:28PM0.02m | 9:24AM0.13m | 8:49PM0.02m | |||||||
— | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | |
6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:13 | — | — | 6:12 | — | — | 6:10 | — | — | 6:09 | — | |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 10 | — | 2 | 3 | — | — | 1 |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 23 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 28 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | NNW 15 | NNW 14 | NNW 13 | NW 12 | NNW 12 | NNW 11 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 12 | NNW 11 |
184 | 333 | 399 | 367 | 341 | 324 | 318 | 376 | 372 | 390 | 299 | 209 | 180 | 207 | 212 | 216 | 346 | 444 | 603 | 366 | |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | NW 12 | NW 12 | NNW 11 | E 6 | E 6 | NNW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | S 18 | SSW 17 | S 16 | SSW 16 | S 15 | SSW 15 | S 18 |
71 | 60 | 73 | 140 | 81 | 39 | 27 | 330 | 366 | 331 | 232 | 137 | 181 | 390 | 487 | 422 | 329 | 343 | 355 | 620 | |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 10 | S 11 | E 13 | E 12 | NNW 11 | NNW 11 | E 6 | E 5 | ESE 5 | ENE 6 | W 15 | W 15 | W 14 | W 13 | W 13 | S 12 | S 20 | S 19 | S 14 |
25 | 40 | 36 | 85 | 46 | 76 | 75 | 24 | 25 | 16 | 30 | 159 | 153 | 140 | 125 | 85 | 100 | 485 | 472 | 184 | |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | SE 4 | SSE 4 | — | S 4 | SSE 4 | — | S 5 | S 5 | — | — | ENE 7 | ENE 7 |
303 | 203 | 137 | 146 | 85 | 30 | — | — | 9 | 3 | — | 8 | 6 | — | 12 | 13 | — | — | 36 | 50 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 110 | 49 | 49 | 49 | 18 | 41 | 17 | 2 | 2 | 7 | 2 | 4 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 6 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Live Wave Height (m)
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Information about the Irmas/Leftpoint Surf forecast
The above surf forecast table for Irmas/Leftpoint provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Irmas/Leftpoint can be found by selecting the local surf guide option on the grey menu. Our Irmas/Leftpoint 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 (Irmas/Leftpoint) 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 Irmas/Leftpoint 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.
Irmas/Leftpoint is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.










