Surf Forecasts:
Waikiki surf forecast from 28 Aug 2026:
- Best quality surf: Saturday 29 Aug, 9AM (local time) - 2ft (0.6m), 10s period, E swell with cross-offshore winds.
- Most powerful swell: Thursday 3 Sep, 6AM (local time) - 2.5ft (0.8m), 9s period, E swell with 104 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 9AM (local time) - 2ft (0.6m), 10s period with E swell.
Best Forecast Surf Conditions for Waikiki this week:
The surf forecast for Waikiki over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 9AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.3m and 9s. Another secondary swell of 0.2m and 2s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Waikiki in the next 16 days are 0.8m 9s and forecast to arrive on Thursday (Sep 03) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 8s period and expected on Wednesday (Sep 02) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 29th Aug) | 2ft (0.6m) 10s |
| Best Surf | 9AM (Sat 29th Aug) | 2ft (0.6m) 10s |
| Most Powerful | 6AM (Thu 3rd Sep) | 2.5ft (0.8m) 9s |
Table - best surf conditions forecast for Waikiki over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s cookin’ for us over the next couple of weeks.
Right off the bat, I gotta be straight with ya – it’s a pretty flat, quiet stretch ahead. The first solid recommendation doesn’t pop up until the very end of the period, so we’re lookin’ at a long gap of small, uninspiring waves for most of the run. The first week, from the 28th of August all the way through to the 9th of September, is mostly a write-off. Tiny swell, poor conditions, and nothin’ worth paddlin’ out for. There are a few moments where the wind lays off or goes offshore, like on the 2nd of September morning, but the swell is just too small to get excited about. You’d be bobbin’ around on ankle-biters.
The only real standout, and the one worth markin’ your calendar for, hits on the 10th of September. Thursday morning and afternoon sees a pulse of swell comin’ out of the SE at 8ft, with a solid 11-second period. That’s a proper groundswell with some grunt behind it – the combined energy is a hefty 2165 on Thursday morning and 2351 in the afternoon. That’s strong, powerful water movin’ around. Now, Waikiki (Oahu) is a beach and reef setup, and a long-period swell like this can make it break a bit straight, but the size and energy will be there. The wind is a cross-on from the N and NNE, which is a bit of a drag, but it’s a light to gentle breeze, so it won’t be too messy. This swell is over 8ft, so this is strictly for the experienced crew – beginners, sit this one out, it’ll be a handful.
The 11th of September keeps the energy up, with 5ft to 6ft from the ESE and E, still with a solid 11-second period, but the cross-on wind sticks around. It’s still gonna be a fun, punchy wave for the lads who know what they’re doin’. The 12th of September is a step down, droppin’ to 5ft to 5ft and the period shortens up, lookin’ a bit more disorganised.
Water temp at the start of the period is a touch warmer than normal at 50°, so no need for a thick suit.
So, bottom line: the best bet is the 10th of September for the big dogs. The rest of the time, you’re better off checkin’ the forecast again later, or takin’ the board for a walk.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 10°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Wed night. Very mild (max 18°C on Mon afternoon, min 6°C on Wed afternoon). Mainly fresh winds. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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) | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | ENE 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | E 8 | E 9 | E 10 | E 9 | E 4 | E 9 | E 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 78 | 56 | 76 | 48 | 41 | 24 | 42 | 38 | 38 | 25 | 25 | 23 | 22 | 37 | 62 | 67 | 41 | 35 | 28 | 58 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-off | cross-off | off | off | off | cross-on | on | cross-on | cross-off | cross-on |
High Tide | 7:30PM1.54m | 8:02AM0.98m | 8:08PM1.56m | 8:33AM1.05m | 8:47PM1.55m | 9:09AM1.13m | 9:28PM1.51m | 9:47AM1.21m | 10:12PM1.44m | 10:29AM1.30m | 11:00PM1.34m | 11:14AM1.38m | 11:54PM1.23m | |||||||
Low Tide | 3:11AM0.38m | 2:15PM0.58m | 3:46AM0.38m | 3:03PM0.53m | 4:21AM0.40m | 3:52PM0.49m | 4:55AM0.44m | 4:42PM0.46m | 5:28AM0.49m | 5:36PM0.43m | 5:59AM0.56m | 6:34PM0.40m | ||||||||
 |  |  | |  | | | | | | | | |  |  |  |  |  | | | |
 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — |
 | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 15 | 1 | — | — |
Temp °C | 15 | 14 | 16 | 18 | 16 | 15 | 18 | 15 | 15 | 18 | 11 | 13 | 13 | 10 | 9 | 7 | 8 | 8 | 8 | 7 |
Feels °C | 12 | 11 | 14 | 15 | 12 | 11 | 15 | 12 | 11 | 15 | 7 | 8 | 7 | 6 | 7 | 4 | 2 | 2 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | ENE 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | E 8 | E 9 | E 10 | E 9 | S 10 | S 9 | S 8 |
| kJ | 78 | 56 | 76 | 48 | 41 | 24 | 42 | 38 | 38 | 25 | 25 | 23 | 22 | 37 | 62 | 67 | 41 | 17 | 55 | 48 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 10 | SW 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | S 7 | SSW 5 | S 6 | S 8 | SSW 8 | SSW 7 | SSW 7 | S 6 | E 9 | E 11 |
| kJ | 35 | 15 | 13 | 4 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 3 | 1 | 1 | 19 | 17 | 15 | 2 | 28 | 58 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SW 5 | SSW 8 | SSW 7 | SE 9 | SE 10 | SE 10 | S 10 | E 10 | — | — | S 6 | — | S 8 | S 7 | — | — | SSW 6 | ESE 12 | ENE 5 |
| kJ | 4 | 1 | 6 | 5 | 3 | 4 | 4 | 2 | 2 | — | — | 1 | — | 1 | 1 | — | — | 4 | 15 | 12 |
Wind waves Height (m) Direction Period (s) | — | NNE 2 | NNW 2 | — | NNE 3 | NNE 3 | NNE 4 | — | NE 4 | — | SSW 3 | — | SSW 3 | SSW 7 | — | — | — | E 4 | ENE 5 | E 4 |
| kJ | — | 1 | 1 | — | 3 | 3 | 3 | — | 3 | — | 4 | — | 3 | 15 | — | — | — | 35 | 23 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 3 | 1 | 0 | 1 | 3 | 3 | 1 | 1 | 3 | 1 | 488 | 1360 | 1369 | 8 | 0 | 3 | 575 | 115 | 0 | 3 |
Best forecast wave conditions in Provincia de Buenos Aires | ||||||||||||||||||||
Best forecast wave conditions in Argentina | ||||||||||||||||||||
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Information about the Waikiki Surf forecast
The above surf forecast table for Waikiki provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waikiki can be found by selecting the local surf guide option on the grey menu. Our Waikiki 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 (Waikiki) 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 Waikiki 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.
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