Surf Forecasts:
Ekas-Outside surf forecast from 9 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 2AM (local time) - 11ft (3.5m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 11 Aug, 2AM (local time) - 11ft (3.5m), 17s period, SSW swell with 6,273 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 5AM (local time) - 6.5ft (2.0m), 15s period with SSW swell.
Best Forecast Surf Conditions for Ekas-Outside this week:
The surf forecast for Ekas-Outside over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 5AM. The primary swell is predicted to be 2.0m and 15s period with a secondary swell of 0.9m and 20s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ekas-Outside in the next 16 days are 3.5m 17s and forecast to arrive on Tuesday (Aug 11) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Wednesday (Aug 12) at 5PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 10th Aug) | 6.5ft (2.0m) 15s |
| Best Surf | 2AM (Tue 11th Aug) | 11ft (3.5m) 17s |
| Most Powerful | 2AM (Tue 11th Aug) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Ekas-Outside over the next 16 days.
The Lowdown
Alright mates, Rusty here. Let’s break down the next couple of weeks at Ekas-Outside.
The water’s sitting at a comfortable 80°, right where it should be for this time of year, so an average wetsuit call—shorts or a light top.
There’s a long stretch of surf coming, but it’s not a standout period of perfection. It’s more about consistent, solid groundswell that’s a bit held back by the wind. The swell is coming out of the SSW, which is exactly what this reef is built to handle, so the wave shape will be decent.
The real highlight is coming up on Monday, August 11th, during the afternoon. You’ve got a solid 10ft groundswell from the SSW with a super-long 19-second period. The wave energy is roaring at 7849, which is strong stuff. Wind is cross-off from the SSE at 15 mph, so it’s not glassy, but it’s clean enough. That’s the best window—powerful, fast lines. With waves over 8ft, this is expert-only territory.
The following morning, Tuesday the 12th, still has 10ft at 17 seconds (5075 energy) but same wind profile. A close second.
After that punch, the swell drops to a consistent 5ft to 8ft range for the rest of the outlook, with cross-off winds keeping things rideable but never perfect. The periods stay long (14-17 seconds), so that reef will create some nice peeling walls. Crowds are possible here. It won’t be empty.
For a reef that can handle these long-period groundswells, you’ll get some proper down-the-line waves. The 11th afternoon is your best shot for a serious session.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 23°C on Sun night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Thu morning, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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 15 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 19 | SSW 16 | SSW 14 | SSW 16 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1797 | 2089 | 5340 | 6273 | 5075 | 5918 | 3309 | 1206 | 1933 | 1178 | 3161 | 3634 | 3173 | 2295 | 1644 | 1319 | 2564 | 2790 | 2475 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:10PM1.23m | 7:11AM2.05m | 9:49PM1.41m | 8:30AM2.19m | 10:19PM1.61m | 9:29AM2.32m | 10:48PM1.80m | 10:19AM2.40m | 11:18PM1.99m | 11:02AM2.41m | 11:47PM2.14m | 11:42AM2.34m | 00:16AM2.25m | ||||||
Low Tide | 11:55PM1.20m | 3:10PM0.35m | 2:21AM1.10m | 3:56PM0.18m | 3:28AM0.90m | 4:34PM0.07m | 4:20AM0.70m | 5:08PM0.03m | 5:04AM0.54m | 5:40PM0.05m | 5:46AM0.42m | 6:09PM0.12m | |||||||
 |  | |  |  | | | | | | | | | | | | | | | |
 | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — |
 | 6:13 | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 26 | 25 | 24 | 26 | 26 | 24 | 26 | 26 | 24 | 26 | 26 | 24 | 26 | 25 | 24 | 26 | 26 | 24 |
Feels °C | 24 | 25 | 24 | 24 | 25 | 25 | 24 | 26 | 24 | 23 | 25 | 25 | 24 | 26 | 24 | 25 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 18 | SSW 17 | SSW 17 | SSW 19 | SSW 16 | SSW 14 | SSW 16 | SSW 14 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 1797 | 1600 | 5340 | 6273 | 5075 | 5918 | 3309 | 1206 | 1933 | 1155 | 3161 | 3634 | 3173 | 2295 | 1644 | 1319 | 2564 | 2790 | 2475 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 19 | — | — | — | SSW 19 | S 24 | SSW 17 | — | SSW 18 | — | — | SSW 24 | SSW 21 | SSW 21 | SSW 19 | — | — | SSE 6 |
| kJ | 158 | 2089 | — | — | — | 1559 | 11 | 975 | — | 1178 | — | — | 54 | 180 | 389 | 1044 | — | — | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 21 | — | — | — | — | — | SSW 21 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 44 | — | — | — | — | — | 180 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | — | — | — | — | SSE 4 | SE 4 | SE 4 | SE 5 | — | — | ESE 5 | SE 9 | SSE 8 | SSE 4 | SSE 6 | SE 4 | SSE 5 | SE 5 |
| kJ | 30 | — | — | — | — | 29 | 21 | 16 | 43 | — | — | 39 | 51 | 71 | 32 | 26 | 20 | 39 | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 64 | 0 | 32 | 32 | 0 | 32 | 149 | 31 | 32 | 32 | 20 | 31 | 32 | 0 | 32 | 32 | 0 | 32 | 32 |
Best forecast wave conditions in South Coast of Lombok | |||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||
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Information about the Ekas-Outside Surf forecast
The above surf forecast table for Ekas-Outside provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ekas-Outside can be found by selecting the local surf guide option on the grey menu. Our Ekas-Outside 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 (Ekas-Outside) 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 Ekas-Outside 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.
Ekas-Outside is 29 km (18 miles) from the city of Praya. If you plan a holiday in South Coast of Lombok, look for hotels and other accommodation in Praya. Praya has rooms for a wide range of budgets as well as car hire and transport links.
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