Surf Forecasts:
E-Bay surf forecast from 23 Aug 2026:
- Best quality surf: Thursday 27 Aug, 1PM (local time) - 3.5ft (1.0m), 19s period, SSW swell with glassy winds.
- Most powerful swell: Monday 24 Aug, 4AM (local time) - 5.5ft (1.7m), 18s period, S swell with 1,735 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 4AM (local time) - 3.5ft (1.0m), 13s period with S swell.
Best Forecast Surf Conditions for E-Bay this week:
The surf forecast for E-Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 4AM. The primary swell is predicted to be 1.0m and 13s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at E-Bay in the next 16 days are 1.7m 18s and forecast to arrive on Monday (Aug 24) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Thursday (Aug 27) at 4PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Wed 26th Aug) | 3.5ft (1.0m) 13s |
| Best Surf | 1PM (Thu 27th Aug) | 3.5ft (1.0m) 19s |
| Most Powerful | 4AM (Mon 24th Aug) | 5.5ft (1.7m) 18s |
Table - best surf conditions forecast for E-Bay over the next 16 days.
The Lowdown
Alright, let’s have a look at what’s on the table at E-Bay.
Right off the bat, the first week or so is a bit of a write-off for decent waves. We’ve got swell running, but the wind is almost constantly on it or cross-onshore, and the conditions are labelled as poor or marginal right through from Sunday the 23rd to Tuesday the 25th. That S/SSW swell is hanging around, coming in between 3ft and 5ft, but with a moderate breeze from the SSE pushing onto the break and periods in the 14-19 second range, it’s not doing us any favours. The wave energy is strong, hitting 1325 on Sunday morning, but it’s messy.
The first real glimmer of hope comes on Wednesday morning, August 26th. The wind goes glassy calm, and although the swell is only 3ft from the S with a 13-second period, it’s clean. The combined energy is still at 393, so it’s not weak, but it's not pumping either – just a small, clean option for a quiet session.
Things get seriously more interesting on Thursday, August 27th. Thursday morning is glassy again, with 3ft of SSW swell and a very long 19-second period. That’s proper groundswell energy, with a combined energy of 969. It’s going to be clean as a whistle. But the standout is Thursday afternoon: still glassy, 5ft of SSW swell, 18-second period, and the combined energy jumps to 1583. That’s strong, clean, lined-up swell for experienced surfers. The water temp is sitting at 85°, which is about average for this time of year, so no need for extra rubber. This is easily the best session on the cards – good size, perfect wind, and quality long-period swell. Just keep in mind, with a period over 15 seconds, the waves might be a bit straight on a beach setup, but at a reef break like E-Bay, it should hold nicely.
After that high point, the end of August and start of September fades back into marginal conditions. The wind shifts back onshore or cross-onshore, and while there’s still waist-to-chest high swell around (3ft to 4ft), the quality drops off. The periods stay long (15-18 seconds) but the wind and onshore direction ruin it.
Around Friday morning, September 4th, we get another brief window – glassy wind, 3ft of SSW swell, 14-second period. It’s clean, but small. The combined energy is only 267, so it’s a weak one. Not worth getting too excited about.
The rest of the outlook into the second week stays pretty quiet. There’s a bit of S swell on September 5th with 4ft, 14-second period and cross-onshore wind – again, just small and not super clean. The final few days trail off into tiny, poor conditions.
So to wrap it up: if you’re keen for a paddle, Thursday afternoon, August 27th is the clear standout – glassy, 5ft SSW swell with heaps of energy and very long period. That’s the one. Wednesday morning the 26th is a bonus clean session if you’re after something smaller. Don’t bother with the rest of the window unless you’re desperate to get wet.
Stay salty.
- Rusty
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Warm (max 28°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 29mm), heaviest during Wed morning. Warm (max 27°C on Wed morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | S 14 | S 19 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | SSW 13 | SSW 16 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 13 |
Wave Graph | |||||||||||||||||||||
956 | 605 | 613 | 513 | 868 | 636 | 653 | 508 | 383 | 361 | 290 | 215 | 664 | 1188 | 1216 | 906 | 693 | 449 | 423 | 308 | 236 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | cross-on | on | glassy | cross-on | glassy | glassy | glassy | on | cross-on | on | on | cross-on | on | on |
High Tide | 3:35PM0.50m | 3:50AM0.89m | 4:38PM0.57m | 4:41AM0.96m | 5:20PM0.66m | 5:22AM1.04m | 5:55PM0.75m | 5:56AM1.10m | 6:25PM0.85m | 6:27AM1.13m | 6:54PM0.94m | 6:56AM1.14m | 7:22PM1.02m | ||||||||
Low Tide | 7:37PM0.37m | 11:22AM0.31m | 9:14PM0.35m | 11:36AM0.25m | 10:20PM0.29m | 11:54AM0.19m | 11:09PM0.23m | 12:15PM0.13m | 11:50PM0.17m | 12:39PM0.08m | 00:29AM0.13m | 1:04PM0.04m | 1:07AM0.09m | ||||||||
6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | |
— | 6:27 | — | — | 6:27 | — | — | 6:27 | — | — | 6:25 | — | — | 6:25 | — | — | 6:25 | — | — | 6:25 | — | |
mm | — | — | 3 | 6 | 2 | 7 | 1 | 2 | 4 | 3 | 2 | 5 | 1 | 3 | 2 | 2 | 4 | 7 | 2 | 2 | 7 |
Temp °C | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 30 | 29 | 30 | 29 | 30 | 31 | 30 | 32 | 30 | 31 | 32 | 31 | 29 | 29 | 29 | 30 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | SSW 13 | SSE 8 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 13 |
956 | 529 | 480 | 513 | 868 | 636 | 653 | 508 | 383 | 361 | 290 | 64 | 664 | 1188 | 1216 | 906 | 693 | 449 | 423 | 308 | 236 | |
Swell 2 Height (m) Direction Period (s) | S 19 | S 19 | S 18 | S 13 | WNW 10 | WNW 10 | WNW 9 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSW 16 | SSW 15 | SW 14 | SSE 8 | WNW 11 | SSE 7 | SSE 7 | SSE 8 | S 8 | S 8 |
362 | 605 | 613 | 280 | 10 | 9 | 8 | 101 | 81 | 64 | 66 | 215 | 305 | 395 | 123 | 11 | 86 | 74 | 79 | 58 | 60 | |
Swell 3 Height (m) Direction Period (s) | WNW 8 | S 16 | — | SSE 8 | — | — | — | — | SE 8 | SSW 18 | S 24 | SSW 12 | SSE 8 | — | — | — | S 20 | S 18 | S 21 | S 22 | SSW 23 |
7 | 45 | — | 14 | — | — | — | — | 39 | 32 | 11 | 115 | 81 | — | — | — | 30 | 57 | 9 | 9 | 53 | |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 7 | SSE 5 | SSE 6 | SSE 7 | SSE 7 | — | — | — | — | SE 8 | — | SSE 8 | — | SSE 7 | — | — | — | — | — |
82 | 83 | 77 | 50 | 64 | 94 | 97 | — | — | — | — | 35 | — | 181 | — | 104 | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 478 | 6 | 6 | 113 | 0 | 0 | 6 | 0 | 0 | 6 | 0 | 0 | 0 | 6 | 6 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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Information about the E-Bay Surf forecast
The above surf forecast table for E-Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at E-Bay can be found by selecting the local surf guide option on the grey menu. Our E-Bay 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 (E-Bay) 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 E-Bay 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 Mentawi Islands? If you are looking for accommodation near E-Bay, camping, hotels and holiday cottages in Mentawi Islands, consider staying in Padang which is 168 km (104 miles) away.











