Surf Forecasts:
Waikiki surf forecast from 7 Aug 2026:
- Best quality surf: Monday 10 Aug, 12PM (local time) - 4.5ft (1.4m), 13s period, SE swell with offshore winds.
- Most powerful swell: Monday 10 Aug, 12PM (local time) - 4.5ft (1.4m), 13s period, SE swell with 613 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 6AM (local time) - 4ft (1.2m), 11s period with SE 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 Monday (Aug 10) at 6AM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.1m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Waikiki in the next 16 days are 1.4m 13s and forecast to arrive on Monday (Aug 10) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 12s period and expected on Monday (Aug 10) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 10th Aug) | 4ft (1.2m) 11s |
| Best Surf | 12PM (Mon 10th Aug) | 4.5ft (1.4m) 13s |
| Most Powerful | 12PM (Mon 10th Aug) | 4.5ft (1.4m) 13s |
Table - best surf conditions forecast for Waikiki over the next 16 days.
The Lowdown
Alright, let’s get into it. This is Rusty, and I’m lookin’ at the Waikiki stretch for the next 16 days. Straight up, the first week and a half is a tough one. We’ve got a real dry spell on our hands, with hardly any surf worth paddling out for from Friday the 7th right through until the tail end of the 19th. That’s a solid 12-day gap with no real recommendations, so don’t be in a rush. The forecasts can change, but right now, it’s a waiting game.
The only real standout comes right at the end of the forecast period. We’re talkin’ about Thursday the 20th and Friday the 21st. That’s when a new ESE swell shows up with some decent energy. The swell height is around 4 ft in the morning on Thursday, with an 11-second period. That’s a proper groundswell, giving the waves some shape and power. The combined swell energy is a solid 433 (moderate wave energy) on Thursday, climbing to 446 (moderate wave energy) in the afternoon. The wind is the real story here – light and variable, swinging offshore on Friday morning from the SW. That’s gonna be glassy and clean. For a spot like Waikiki, that’s about as good as it gets for this window. The water temp is 51°F, which is 4°F warmer than normal for this time of year, so you’ll want a decent spring suit, but it’s not freezing.
Waikiki is a beginner-friendly beach and reef setup, and with this swell staying under 8 ft, it’s manageable for most. The crowd factor is listed as “sometimes,” so expect a few heads out there, especially on a good day, but it’s not a circus. The optimum swell direction is from the NE, and this is coming from the ESE, so it’s not the absolute best angle, but the quality of the swell and the clean wind make it the pick of the litter.
The surf on the 22nd loses the wind and gets chopped up, so that window is short. If you’re keen, make the call for Thursday the 20th and Friday the 21st. It’s a promising run, but we’re talkin’ a week and a half out, so keep an eye on it.
Rusty.
Short Range ForecastMostly dry. Very mild (max 11°C on Fri afternoon, min 6°C on Sat night). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the SSW by Mon morning). | Days 5-7 Weather SummaryMostly dry. Mild temperatures (max 8°C on Mon afternoon, min 5°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||
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) | SE 9 | SE 8 | SE 10 | SE 10 | SE 10 | SE 12 | SE 12 | SE 11 | SSW 10 | SSE 12 | SE 12 | S 11 | SSE 11 | SSE 11 | E 10 | E 10 | E 9 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 23 | 86 | 124 | 67 | 36 | 51 | 108 | 147 | 0 | 0 | 72 | 0 | 0 | 0 | 4 | 2 | 2 | 1 | 1 | 3 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | on | glassy | cross-on | on | on | on | cross-on |
High Tide | 2:12AM1.15m | 2:30PM1.47m | 3:25AM1.06m | 3:33PM1.56m | 4:37AM1.01m | 4:36PM1.66m | 5:42AM0.98m | 5:36PM1.74m | 6:40AM0.98m | 6:35PM1.81m | 7:33AM1.00m | 7:31PM1.84m | ||||||||
Low Tide | 8:49PM0.50m | 8:09AM0.67m | 10:10PM0.43m | 8:36AM0.71m | 11:31PM0.35m | 9:15AM0.73m | 00:43AM0.26m | 10:20AM0.73m | 1:44AM0.19m | 12:14PM0.70m | 2:39AM0.14m | 1:31PM0.65m | ||||||||
 |  |  |  |  | | | | | | | | | | | |  | | | | |
 | — | — | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — | 7:39 | — | — | 7:39 | — | — | 7:37 | — | — |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 8 | 8 | 9 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 6 | 6 | 7 | 6 | 7 | 7 | 7 |
Feels °C | 4 | 2 | -2 | -1 | -2 | -1 | -1 | -1 | 3 | 3 | 4 | 3 | 5 | 3 | 5 | 3 | 2 | 4 | 3 | 4 |
Swell 1 Height (m) Direction Period (s) | S 6 | SE 8 | SE 10 | SE 10 | SE 10 | SE 12 | SE 12 | SE 11 | S 10 | SSE 12 | SSE 12 | S 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 14 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 52 | 86 | 124 | 67 | 36 | 51 | 108 | 147 | 460 | 1543 | 1280 | 545 | 582 | 408 | 370 | 265 | 693 | 343 | 254 | 150 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SSW 6 | — | — | — | — | — | — | SE 12 | SE 13 | SE 12 | SSE 12 | SE 11 | SE 11 | E 10 | SSE 15 | E 9 | E 8 | E 8 | E 8 |
| kJ | 59 | 13 | — | — | — | — | — | — | 578 | 689 | 72 | 260 | 273 | 31 | 2 | 381 | 2 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 9 | — | S 7 | — | — | — | — | — | — | — | — | — | — | — | NE 10 | E 10 | SSW 9 | — | — | NE 8 |
| kJ | 23 | — | 4 | — | — | — | — | — | — | — | — | — | — | — | 4 | 2 | 8 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | WNW 3 | NW 3 | WSW 7 | SW 9 | SSW 10 | SSW 10 | S 9 | S 8 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 5 | 57 | 466 | 539 | 688 | 775 | 432 | 878 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 7 | 105 | 187 | 494 | 187 | 121 | 576 | 187 | 8 | 8 | 0 | 1 | 114 | 3 | 1 | 3 | 3 | 3 | 3 | 1 |
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.
Are you planning a holiday in Provincia de Buenos Aires? If you are looking for accommodation near Waikiki, camping, hotels and holiday cottages in Provincia de Buenos Aires, consider staying in Mar del Plata which is 10 km (6 miles) away.
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