
Surf Forecasts:
Keaulanas surf forecast from 22 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 5AM (local time) - 1.5ft (0.5m), 17s period, SW swell with offshore winds.
- Most powerful swell: Friday 25 Sep, 2AM (local time) - 3ft (0.9m), 17s period, SSW swell with 510 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 5AM (local time) - 1.5ft (0.5m), 17s period with SW swell.
Best Forecast Surf Conditions for Keaulanas this week:
The surf forecast for Keaulanas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 23) at 5AM. The primary swell is predicted to be 0.5m and 17s period with a secondary swell of 0.7m and 10s. Another secondary swell of 0.6m and 12s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Keaulanas in the next 16 days are 0.9m 17s and forecast to arrive on Friday (Sep 25) at 2AM. Winds are predicted to be 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 Saturday (Sep 26) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 23rd Sep) | 1.5ft (0.5m) 17s |
| Best Surf | 5AM (Wed 23rd Sep) | 1.5ft (0.5m) 17s |
| Most Powerful | 2AM (Fri 25th Sep) | 3ft (0.9m) 17s |
Table - best surf conditions forecast for Keaulanas over the next 16 days.
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 25°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Fri morning, min 25°C on Sat night). Mainly strong winds. | ||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||||
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) | SSW 13 | NNW 11 | NNW 11 | SW 17 | SSW 16 | SW 16 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | S 13 | SW 17 |
Wave Graph | |||||||||||||||||||||
173 | 167 | 153 | 145 | 171 | 201 | 242 | 377 | 510 | 441 | 310 | 362 | 344 | 407 | 387 | 362 | 325 | 226 | 215 | 329 | 305 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:30PM0.62m | 1:55AM0.35m | 2:01PM0.61m | 2:28AM0.42m | 2:29PM0.59m | 3:01AM0.48m | 2:57PM0.56m | 3:36AM0.55m | 3:24PM0.51m | 4:14AM0.61m | 3:52PM0.45m | 4:54AM0.65m | 4:19PM0.39m | ||||||||
Low Tide | 8:31PM0.13m | 7:13AM0.14m | 8:45PM0.11m | 8:01AM0.13m | 9:00PM0.09m | 8:49AM0.14m | 9:18PM0.07m | 9:37AM0.15m | 9:37PM0.06m | 10:28AM0.17m | 9:58PM0.04m | 11:25AM0.20m | 10:23PM0.04m | ||||||||
6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | |
— | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 26 | 28 | 28 | 26 | 27 | 28 | 26 | 27 | 27 | 26 | 27 | 27 | 25 | 26 | 27 | 25 | 27 | 28 | 26 |
Feels °C | 29 | 29 | 26 | 28 | 27 | 25 | 26 | 27 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 22 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | S 13 | S 10 |
49 | 167 | 153 | 106 | 102 | 74 | 242 | 377 | 510 | 441 | 310 | 362 | 344 | 407 | 387 | 362 | 325 | 226 | 215 | 329 | 102 | |
Swell 2 Height (m) Direction Period (s) | NNW 12 | S 12 | S 12 | S 13 | S 12 | SW 16 | NNW 9 | NNW 10 | N 9 | ESE 8 | ESE 8 | SSE 10 | SW 14 | SSE 10 | SSE 10 | SSE 10 | NNW 18 | NNW 15 | NNW 13 | NNW 13 | SW 17 |
147 | 148 | 104 | 117 | 108 | 201 | 47 | 72 | 42 | 48 | 46 | 68 | 211 | 54 | 65 | 86 | 174 | 201 | 204 | 147 | 305 | |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SW 19 | SSW 17 | SW 17 | SSW 16 | S 12 | S 12 | ESE 8 | S 11 | N 9 | NNW 9 | SW 12 | SSE 9 | NW 16 | WNW 15 | NW 13 | NW 13 | SSW 18 | SW 15 | SSW 17 | NNW 12 |
173 | 92 | 117 | 145 | 171 | 75 | 69 | 35 | 40 | 41 | 26 | 71 | 58 | 125 | 142 | 45 | 85 | 127 | 104 | 202 | 125 | |
Wind waves Height (m) Direction Period (s) | E 8 | NE 6 | ENE 7 | ENE 10 | ENE 10 | NE 6 | NE 6 | NE 6 | ENE 6 | NE 6 | NE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | NE 7 | NE 7 |
234 | 49 | 70 | 151 | 148 | 43 | 75 | 65 | 140 | 136 | 140 | 228 | 310 | 310 | 394 | 404 | 336 | 207 | 138 | 125 | 88 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 5 | 2 | 0 | 13 | 0 | 11 | 9 | 161 | 164 | 167 | 161 | 167 | 162 | 162 | 189 | 189 | 16 | 5 | 5 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Keaulanas Surf forecast
The above surf forecast table for Keaulanas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Keaulanas can be found by selecting the local surf guide option on the grey menu. Our Keaulanas 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 (Keaulanas) 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 Keaulanas 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.
Keaulanas is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.










