Surf Forecasts:
E-Bay surf forecast from 13 Aug 2026:
- Best quality surf: Friday 14 Aug, 10PM (local time) - 6ft (1.8m), 15s period, S swell with glassy winds.
- Most powerful swell: Wednesday 19 Aug, 4PM (local time) - 7ft (2.1m), 18s period, SSW swell with 2,552 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 10PM (local time) - 6ft (1.8m), 15s 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 Friday (Aug 14) at 10PM. The primary swell is predicted to be 1.8m and 15s period with a secondary swell of 0.4m and 20s. 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 2.1m 18s and forecast to arrive on Wednesday (Aug 19) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 16s period and expected on Friday (Aug 14) at 1PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Fri 14th Aug) | 6ft (1.8m) 15s |
| Best Surf | 10PM (Fri 14th Aug) | 6ft (1.8m) 15s |
| Most Powerful | 4PM (Wed 19th Aug) | 7ft (2.1m) 18s |
Table - best surf conditions forecast for E-Bay over the next 16 days.
The Lowdown
Alright, let’s break down what’s on the cards for E-Bay. The start of the outlook is pretty grim for decent waves, but there are a couple of bright spots if you’re patient. The water temp is sitting at about 85°F, which is a touch warmer than what’s normal for this time of year.
The first real chance to score comes this weekend. Saturday the 15th is still a dud with onshore wind and weak energy, so skip it. Sunday morning, the 16th of August, is the standout. You’ve got a clean 4ft south groundswell with a very long 15 second period, and it’s glassy calm. That’s the kind of day E-Bay was made for. The energy is pumping at (963), and the swell direction is hitting the reef just right. Expect long, clean walls and easy paddling. The crowds can show sometimes, but for that quality, it’s a no-brainer.
Tuesday the 18th also has some potential. The morning has a light cross-onshore, but the afternoon cleans up a bit with a light onshore breeze and a 4ft SSW swell with a 19-second period. The energy is huge at (1619), but that onshore wind will put a little texture on the face.
Through the middle of the next week, the swell builds to 6ft or more, but the wind stays onshore at 12 mph or stronger. The 19th and 20th are particularly blown out and messy, with onshore wind and big, lumpy swell. That’s expert-only territory and might honestly be more fun for a kite.
Near the end of the outlook, Thursday afternoon, the 27th of August, offers a flicker of hope. A 3ft south swell with a 17-second period and lighter winds. The energy is decent at (1331), but it’s still onshore, so don’t expect glass.
Bottom line: Sunday morning the 16th is your best bet by a long shot. Everything else is a trade-off.
- Rusty
Short Range ForecastHeavy rain (total 22mm), heaviest during Thu night. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Sun night. Warm (max 28°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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 18 | S 18 | S 24 | SSW 22 | SSW 20 | S 15 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | SSW 20 | SSW 18 | SSW 16 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 649 | 1342 | 11 | 91 | 129 | 1246 | 486 | 432 | 1121 | 763 | 606 | 405 | 329 | 127 | 528 | 950 | 970 | 2223 | 2168 | 2552 | 2037 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | glassy | cross | on | on | glassy | on | on | on | on | on | cross-on | on | on | on | on | on |
High Tide | 7:01PM0.95m | 7:12AM1.28m | 7:41PM1.03m | 7:51AM1.22m | 8:20PM1.08m | 8:28AM1.13m | 8:58PM1.10m | 9:02AM1.01m | 9:36PM1.08m | 9:35AM0.89m | 10:15PM1.03m | 10:06AM0.76m | 10:58PM0.96m | ||||||||
Low Tide | 00:39AM0.06m | 1:30PM-0.01m | 1:25AM0.06m | 2:01PM-0.00m | 2:08AM0.08m | 2:30PM0.02m | 2:49AM0.13m | 2:58PM0.05m | 3:29AM0.20m | 3:26PM0.10m | 4:10AM0.27m | 3:55PM0.15m | |||||||||
 | |  |  | | | | | | | | |  | |  | | | | | |  | |
 | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — |
mm | — | — | 8 | 1 | 7 | 5 | — | — | 1 | 1 | 2 | 5 | — | — | — | — | — | 1 | — | — | 3 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 28 |
Feels °C | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 30 | 29 | 31 | 30 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | S 18 | S 17 | S 16 | SSE 16 | S 15 | SSE 14 | SSE 13 | S 16 | S 15 | S 15 | S 14 | S 14 | S 11 | S 13 | SSW 16 | SSW 16 | SSW 19 | SSW 18 | SSW 18 | SSW 17 |
| kJ | 628 | 1342 | 1555 | 1314 | 1776 | 1246 | 777 | 523 | 1121 | 763 | 606 | 405 | 329 | 94 | 284 | 950 | 628 | 2223 | 2168 | 2552 | 2037 |
Swell 2 Height (m) Direction Period (s) | S 18 | SSE 11 | S 24 | SSW 22 | SSW 20 | S 20 | S 18 | S 16 | S 16 | SW 15 | S 26 | S 26 | SSW 20 | SSW 14 | SSW 18 | SSW 21 | SSW 19 | W 10 | — | WNW 10 | WNW 10 |
| kJ | 649 | 422 | 11 | 91 | 129 | 121 | 486 | 432 | 329 | 183 | 13 | 13 | 37 | 110 | 528 | 180 | 970 | 8 | — | 10 | 21 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | S 25 | S 24 | WNW 11 | WNW 11 | SSW 20 | N 4 | NNE 4 | SW 15 | WNW 9 | SW 26 | SW 26 | SSW 24 | SSW 20 | SSW 22 | S 10 | W 8 | W 10 | — | — | — |
| kJ | 11 | 12 | 11 | 12 | 12 | 298 | 1 | 3 | 242 | 17 | 26 | 26 | 55 | 127 | 181 | 30 | 21 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 11 | SSE 11 | — | — | — | — | — | — | — | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 10 | SSE 9 | SSE 8 | SSE 4 | SSE 4 | SSE 5 |
| kJ | — | — | 337 | 353 | — | — | — | — | — | — | — | 1 | 5 | 11 | 16 | 81 | 64 | 57 | 14 | 16 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 154 | 113 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 378 | 6 |
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.
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