Surf Forecasts:
Kailua Beach surf forecast from 28 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 11AM (local time) - 8ft (2.4m), 10s period, NE swell with glassy winds.
- Most powerful swell: Tuesday 28 Jul, 11PM (local time) - 8ft (2.5m), 12s period, ENE swell with 1,697 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 11AM (local time) - 8ft (2.4m), 10s period with NE swell.
Best Forecast Surf Conditions for Kailua Beach this week:
The surf forecast for Kailua Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 11AM. The primary swell is predicted to be 2.4m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kailua Beach in the next 16 days are 2.5m 12s and forecast to arrive on Tuesday (Jul 28) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 15s period and expected on Wednesday (Jul 29) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Wed 29th Jul) | 8ft (2.4m) 10s |
| Best Surf | 11AM (Wed 29th Jul) | 8ft (2.4m) 10s |
| Most Powerful | 11PM (Tue 28th Jul) | 8ft (2.5m) 12s |
Table - best surf conditions forecast for Kailua Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the table for this stretch. We're talkin' about Kailua Beach, a point break that's exposed to the NE. It's a fairly consistent spot, but the crowds can be a factor sometimes. Water temps are sittin' about average for this time of year, so nothin' wild there.
The forecast starts slow, real slow. The first couple of days, Tuesday the 28th and Wednesday the 29th morning, we've got some swell but the wind is just wrong. Tuesday morning it's a NNE breeze at 16 mph, and the surf is a messy 7 ft from the east with a 13-second period. The energy is strong though, at 1699. But it's no good for us, just poor conditions.
Then, a glimmer. Wednesday the 29th morning is the standout. The wind drops right off, goes glassy, and we get a clean 8 ft NE swell with a 10-second period. The energy is moderate at 1049. This is what we're after. It's excellent surf, but that size over 8 ft for the morning? It's gonna be a big one, so this is really for the experienced crew. The swell direction (NE) is spot on for what this break wants. The afternoon holds up with a 7 ft NE swell, clean enough with a light cross-offshore breeze, but you'll want to watch for those afternoon storms.
After that Wednesday, it's a long, painful gap. From Thursday the 30th all the way through to the end of the forecast on August 12th, the conditions go pretty ordinary. The wind locks in from the ENE and east, blowing 12 to 25 mph, mostly cross-onshore. The swell hangs around, but it's all onshore chop. The energy levels drop from moderate into the 200-900 range, and the period gets short. It's a real shame, because there's plenty of water moving, but it's just not gonna be surfable for a paddle board. For a couple of weeks there, it's a write-off.
So, the call is simple. The best, and really the only, window is Wednesday the 29th morning. Get out there early, it's gonna be clean and solid. Otherwise, it's a long wait for the next change.
Rusty
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Warm (max 27°C on Wed morning, min 24°C on Tue night). Winds decreasing (fresh winds from the NNE on Mon night, calm by Wed morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Thu night, min 24°C on Sat night). Mainly strong winds. | ||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | ||||||||||||||
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) | E 13 | E 13 | E 13 | ENE 12 | NE 10 | NE 9 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1275 | 1510 | 1609 | 1649 | 1049 | 640 | 460 | 324 | 233 | 320 | 358 | 423 | 670 | 678 | 727 | 807 | 666 | 606 | 560 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 1:04AM0.45m | 2:58PM0.86m | 1:44AM0.47m | 3:22PM0.87m | 2:24AM0.50m | 3:45PM0.86m | 3:04AM0.52m | 4:06PM0.83m | 3:48AM0.54m | 4:25PM0.79m | 4:37AM0.55m | 4:43PM0.75m | |||||||
Low Tide | 9:23PM0.37m | 7:26AM0.06m | 9:40PM0.35m | 7:59AM0.05m | 9:59PM0.33m | 8:31AM0.08m | 10:19PM0.31m | 9:03AM0.12m | 10:40PM0.28m | 9:35AM0.18m | 11:03PM0.25m | 10:10AM0.26m | 11:29PM0.22m | ||||||
 |  |  |  |  | | | | |  | | |  | | | | | | | |
 | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | 7:12 | — | 7:12 | — | — | 7:10 | — | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — |
mm | 4 | 1 | — | 1 | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 25 | 25 | 25 | 30 | 29 | 29 | 27 | 25 | 26 | 24 | 24 | 23 | 21 | 22 | 22 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | ENE 12 | NE 10 | NE 9 | ENE 8 | SSW 13 | S 13 | E 16 | E 15 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 13 |
| kJ | 1275 | 1510 | 1609 | 1649 | 1049 | 640 | 338 | 60 | 55 | 81 | 157 | 231 | 205 | 205 | 196 | 196 | 195 | 198 | 128 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | S 14 | S 14 | S 13 | S 15 | S 14 | N 7 | SW 18 | NNE 7 | S 13 | N 9 | N 8 | N 8 | N 8 | SSW 14 | N 10 | N 9 | N 8 | N 8 |
| kJ | 60 | 32 | 33 | 30 | 67 | 65 | 33 | 12 | 9 | 30 | 13 | 12 | 11 | 5 | 18 | 17 | 14 | 13 | 11 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 10 | — | S 15 | — | S 13 | S 14 | E 19 | N 9 | N 9 | S 12 | S 12 | S 12 | SSW 14 | S 11 | SSW 14 | SSW 14 | SW 13 | S 13 |
| kJ | 37 | 7 | — | 18 | — | 4 | 62 | 29 | 15 | 14 | 27 | 26 | 11 | 19 | 9 | 20 | 19 | 7 | 13 |
Wind waves Height (m) Direction Period (s) | NNE 7 | NE 7 | NNE 7 | NNE 8 | — | — | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 204 | 189 | 142 | 163 | — | — | 460 | 324 | 233 | 320 | 358 | 423 | 670 | 678 | 727 | 807 | 666 | 606 | 560 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 18 | 20 | 16 | 0 | 0 | 8 | 18 | 17 | 41 | 46 | 123 | 122 | 144 | 122 | 48 | 125 | 46 | 42 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kailua Beach Surf forecast
The above surf forecast table for Kailua Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kailua Beach can be found by selecting the local surf guide option on the grey menu. Our Kailua Beach 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 (Kailua Beach) 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 Kailua Beach 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.
Kailua Beach is 0 km (0 miles) from 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.
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