
Surf Forecasts:
Ekas-Outside surf forecast from 11 Aug 2026:
- Best quality surf: Thursday 13 Aug, 5AM (local time) - 5ft (1.6m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 11 Aug, 5PM (local time) - 10ft (3.0m), 19s period, SSW swell with 6,290 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 5AM (local time) - 5ft (1.6m), 17s 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 Thursday (Aug 13) at 5AM. The primary swell is predicted to be 1.6m and 17s period with a secondary swell of 1.6m and 13s. Another secondary swell of 0.9m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ekas-Outside in the next 16 days are 3.0m 19s and forecast to arrive on Tuesday (Aug 11) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Aug 12) at 5PM.
| Wave Type | Time (WITA) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 13th Aug) | 5ft (1.6m) 17s |
| Best Surf | 5AM (Thu 13th Aug) | 5ft (1.6m) 17s |
| Most Powerful | 5PM (Tue 11th Aug) | 10ft (3.0m) 19s |
Table - best surf conditions forecast for Ekas-Outside over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s get into it. We’re looking at a run of solid, persistent SSW groundswell hitting Ekas-Outside all through the next couple of weeks. The water’s sitting at 79°F which is pretty average for this time of year, nothing weird going on there. The big story is size and consistency – we’ve got wave energy that’s strong to very strong all the way through, with values like 5075 and 7849 in the mix. That’s a lot of power in the water.
Tuesday the 11th kicks off with a solid 10ft SSW swell, period a super long 17 seconds, so these are proper groundswell lines. The wind’s a moderate cross-off from the SE, keeping things clean. That’s a big, powerful wave. Beginners – this is over 8ft, so it’s expert territory. That long period at a reef setup like Ekas-Outside actually works a treat, shaping up nicely. Crowds are sometimes here, so you might have company, but it’s worth it. Wednesday the 12th drops a little to 7ft, still clean, still a good pulse, but the energy eases off. Thursday the 13th bounces back to 8ft, Friday 7ft, Saturday 8ft – it’s a sustained run of quality, mid-sized swell.
Now, the standout window for me is Monday the 17th. It’s a bit smaller, around 5ft, but the morning has a gentle breeze and the forecast is calling for “expect very good surf conditions.” That’s a rare phrase in this data. The swell direction swings a touch to SW and the period drops to 14 seconds, but that combined energy is still a solid 1099. It’s more manageable for a wider range of surfers while still offering clean, well-shaped waves.
Another highlight to keep an eye on is Friday the 21st morning. We get a genuine offshore wind from the ESE at 12 mph, and an 8ft SW swell at 16 seconds. The report says “excellent surf conditions for experienced surfers.” That’s a call for the crew who can handle some size and power, with clean, lined-up faces.
Late in the run, Tuesday the 25th morning offers another big spike: 7ft SSW swell with an 18-second period and energy of 3720. That’s very long period, very powerful. It’s a reef-break special – perfect for those long, clean rides, but again, only for the experienced.
Overall, it’s a fortnight of almost non-stop surf. There’s no big gap of flatness here. If you’re after the best balance of size, wind, and quality, Monday the 17th morning and Friday the 21st morning are your tickets. For the big-wave hunters, Tuesday the 11th and the 25th are the heavy hitters. Longer-range stuff like the 25th is promising but we’ll see how it firms up.
Signing off,
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 23°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sun afternoon, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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 17 | SSW 19 | SSW 16 | SSW 14 | SSW 16 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 |
Wave Graph | |||||||||||||||||||||
5075 | 6290 | 3142 | 1526 | 1933 | 1178 | 3377 | 3823 | 2940 | 2214 | 1644 | 1413 | 2790 | 2993 | 2445 | 2271 | 1933 | 1337 | 1057 | 921 | 599 | |
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 | cross-off | cross-off |
High Tide | 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 | 12:19PM2.21m | 00:45AM2.29m | 12:53PM2.02m | 1:14AM2.28m | |||||||
Low Tide | 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 | 6:25AM0.37m | 6:36PM0.24m | 7:03AM0.38m | 7:00PM0.38m | ||||||||
6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | |
— | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 24 | 26 | 26 | 24 | 26 | 26 | 24 | 26 | 26 | 24 | 26 | 26 | 25 | 26 | 27 | 25 | 26 | 27 | 25 |
Feels °C | 25 | 25 | 24 | 25 | 24 | 25 | 25 | 24 | 24 | 26 | 25 | 25 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 19 | SSW 16 | SSW 14 | SSW 16 | S 14 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 |
5075 | 6290 | 3142 | 1526 | 1933 | 1145 | 3377 | 3823 | 2940 | 2214 | 1644 | 1413 | 2790 | 2993 | 2445 | 2271 | 1933 | 1337 | 1057 | 921 | 599 | |
Swell 2 Height (m) Direction Period (s) | — | SSW 19 | S 24 | SSW 17 | — | SSW 18 | SSE 6 | — | SSE 9 | SSW 21 | SSW 21 | SSW 19 | SSE 7 | — | — | — | SSE 5 | — | SE 6 | SSW 20 | SSW 18 |
— | 1559 | 11 | 975 | — | 1178 | 53 | — | 48 | 180 | 302 | 894 | 26 | — | — | — | 17 | — | 19 | 75 | 559 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 21 | — | — | — | — | SSW 24 | SSW 21 | — | — | — | — | — | — | — | — | SW 24 | SW 24 | — |
— | — | — | 44 | — | — | — | — | 54 | 180 | — | — | — | — | — | — | — | — | 23 | 87 | — | |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | SE 4 | SE 5 | SE 5 | ESE 5 | SE 5 | — | SE 9 | SSE 8 | SSE 5 | SE 6 | SE 5 | SSE 5 | SSE 5 | — | — | SE 5 | ESE 6 | SE 6 | SE 6 |
— | 32 | 23 | 56 | 79 | 42 | 51 | — | 97 | 98 | 46 | 38 | 22 | 27 | 25 | — | — | 16 | 59 | 54 | 30 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 32 | 115 | 32 | 32 | 31 | 2 | 32 | 32 | 20 | 32 | 32 | 31 | 32 | 32 | 0 | 32 | 32 | 0 | 0 | 31 | 2 |
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.











