Surf Forecasts:
Keaulanas surf forecast from 26 Jul 2026:
- Best quality surf: Sunday 26 Jul, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 26 Jul, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with 540 kJ wave energy.
- Next surfable swell (1★+): Sunday 26 Jul, 5AM (local time) - 3ft (0.9m), 18s period with SSW 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 Sunday (Jul 26) at 5AM. The primary swell is predicted to be 0.9m and 18s period. 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 18s and forecast to arrive on Sunday (Jul 26) at 5AM. 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 11s period and expected on Wednesday (Jul 29) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 26th Jul) | 3ft (0.9m) 18s |
| Best Surf | 5AM (Sun 26th Jul) | 3ft (0.9m) 18s |
| Most Powerful | 5AM (Sun 26th Jul) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Keaulanas over the next 16 days.
The Lowdown
Alright, Rusty here, checkin' the Keaulanas forecast. We've got a few weeks ahead, and while it ain't gonna be epic, there are some tidy little windows if you're patient.
Water temperature is runnin' about normal for the season, so spring suits are fine.
We kick off Sunday, July 26th, with some waves. It's small, about 3ft, with a long 16-second period groundswell from the SSW. The combined wave energy is moderate at 506. Wind is a moderate breeze from the ENE, offshore, so it'll be clean. The catch is that conditions are a bit touch-and-go with the tide or something. Score is low because of that.
Monday the 27th and Tuesday the 28th keep the small SSW swell comin', droppin' from 3ft to 2ft. Wind stays offshore, light to moderate from the NE. The energy drops from 288 down to 197. These are "ordinary" but surfable days. Good for a longboard or a fun shape.
Wednesday the 29th is a stand-out early. Swell holds at 3ft from the S, period 14 seconds, and the energy jumps to 380 in the afternoon. But the real win is the wind – a light breeze from the NNW, almost glassy. That's clean. The S swell isn't the best angle, but the conditions will make it the best of the first week. Expect crowds (it says "sometimes").
Now, from Thursday the 30th through to Friday, August 7th, the surf dries up. We're talkin' 1ft to 2ft waves, with energy readings between 46 and 228. Winds are often cross-off with a moderate or fresh breeze. The surf descriptions are repeatedly "poor." No real recommendations in here. That's a rough seven-day gap.
Then, lookin' at Sunday, August 9th, the swell builds back to 3ft from the SSW, period 16 seconds, energy at 451 in the arvo (moderate-strong). Wind is a light breeze from the E, and the surf is described as "expect good surf conditions." This one's a looker, but it's eight days away, so keep it on the radar.
Monday the 10th of August holds similar 3ft SSW swell, 387 energy, with clean conditions. A potential follow-up if Sunday delivers.
The Best of It: Wednesday, July 29th. The waves are small, around 3ft, but the near-glassy offshore wind from the NNW and the solid energy reading of 380 in the afternoon mean this is your session for the cleanest little waves of the whole stretch. Don't expect a monster, but expect quality.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Tue afternoon, min 24°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the ENE by Fri afternoon). | ||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||
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 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 14 | S 14 | SSW 14 | S 13 | S 13 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 469 | 452 | 416 | 288 | 284 | 213 | 189 | 187 | 135 | 203 | 261 | 250 | 229 | 280 | 211 | 206 | 236 | 220 | 127 | 123 | 131 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | cross-off | glassy | cross | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 2:47PM0.69m | 2:10AM0.23m | 3:19PM0.71m | 2:49AM0.25m | 3:50PM0.72m | 3:28AM0.27m | 4:18PM0.72m | 4:07AM0.30m | 4:45PM0.70m | 4:50AM0.33m | 5:11PM0.66m | 5:36AM0.37m | 5:35PM0.61m | ||||||||
Low Tide | 10:23PM0.17m | 7:35AM0.05m | 10:44PM0.15m | 8:15AM0.04m | 11:05PM0.15m | 8:53AM0.04m | 11:26PM0.14m | 9:30AM0.07m | 11:47PM0.13m | 10:08AM0.10m | 00:07AM0.12m | 10:50AM0.16m | 00:28AM0.11m | ||||||||
 | |  | | | |  | | | | |  | | | | | | | | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 7:14 | — | — | 7:14 | — | — | 7:13 | — | — | 7:13 | — | — | 7:12 | — | — | 7:12 | — | — | 7:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 28 | 26 | 26 | 26 | 26 | 27 | 28 | 26 | 28 | 28 | 25 | 27 | 27 | 25 |
Feels °C | 25 | 24 | 24 | 26 | 26 | 25 | 29 | 29 | 27 | 28 | 29 | 30 | 30 | 32 | 25 | 26 | 25 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | NE 8 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | ENE 12 | NE 11 | N 7 | SSW 14 | S 13 | S 13 | S 13 | S 12 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 469 | 452 | 129 | 288 | 284 | 213 | 189 | 187 | 244 | 677 | 135 | 250 | 229 | 280 | 163 | 151 | 236 | 220 | 127 | 123 | 131 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | SSW 16 | E 14 | E 13 | E 13 | E 13 | E 13 | SSW 13 | S 14 | ENE 10 | N 7 | E 8 | NE 7 | SW 16 | SW 16 | S 12 | S 12 | ESE 8 | SE 8 | SE 8 |
| kJ | 37 | 34 | 416 | 62 | 56 | 55 | 85 | 125 | 135 | 203 | 175 | 64 | 58 | 57 | 211 | 206 | 106 | 71 | 43 | 34 | 35 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 14 | E 15 | SSE 6 | SSE 11 | SSE 10 | S 10 | SE 10 | SSW 15 | SW 21 | S 14 | ENE 8 | SW 18 | SSW 18 | N 9 | N 8 | N 8 | N 8 | S 12 | S 11 | S 11 |
| kJ | 17 | 37 | 38 | 3 | 22 | 9 | 8 | 4 | 75 | 17 | 261 | 41 | 154 | 207 | 25 | 12 | 12 | 11 | 42 | 39 | 21 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | E 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NNE 6 | NNE 6 | N 6 | — | SE 3 | — | E 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 151 | 181 | 117 | 122 | 156 | 139 | 124 | 115 | 85 | 73 | — | 2 | — | 177 | 75 | 81 | 139 | 129 | 114 | 155 | 156 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 27 | 6 | 5 | 9 | 9 | 160 | 160 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.
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