Surf Forecasts:
E-Bay surf forecast from 9 Jul 2026:
- Best quality surf: Thursday 16 Jul, 1AM (local time) - 3.5ft (1.1m), 15s period, S swell with glassy winds.
- Most powerful swell: Wednesday 15 Jul, 1AM (local time) - 4.5ft (1.4m), 16s period, S swell with 989 kJ wave energy.
- Next surfable swell (1★+): Saturday 11 Jul, 10PM (local time) - 2ft (0.6m), 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 Saturday (Jul 11) at 10PM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.6m and 13s. 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 1.4m 16s and forecast to arrive on Wednesday (Jul 15) at 1AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Friday (Jul 10) at 1AM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 11th Jul) | 2ft (0.6m) 13s |
| Best Surf | 1AM (Thu 16th Jul) | 3.5ft (1.1m) 15s |
| Most Powerful | 1AM (Wed 15th Jul) | 4.5ft (1.4m) 16s |
Table - best surf conditions forecast for E-Bay over the next 16 days.
Alright, I’ve been staring at the charts for E-Bay and I gotta tell ya, it’s a bit of a slow burn this time around. The first week is pretty quiet, but if you’re patient, there’s a nice run of clean, fun waves waiting for you in the second week.
Alright, so here’s the deal. Right now, we’ve got some long-period south swells rolling in, but the wind is just ruining it. Thursday and Friday are a write-off—cross-on and onshore winds, poor conditions. Saturday is the same story. You’re looking at small waves with a side of chop.
Then Sunday the 12th morning, things finally start to turn. The wind goes glassy, and the swell is small at 3ft from the south, with a 12-second period. The combined wave energy is weak (236), so it’s not going to be pumping, but for a little longboard or a fish, it’ll be clean. The water temp is 86°, which is about 1° warmer than average for this time of year, so it’s pretty normal—just nice and warm.
That little window of glassy conditions pops up again on Thursday the 16th afternoon. We get another light south-southwest swell, 3ft, 15-second period, and the wind goes totally glassy. Combined energy is still low (257), but the clean conditions make it worthwhile for a quiet session.
Here’s the real standout though. The period from Saturday the 18th right through to Tuesday the 21st is the best on offer. We’ve got a string of glassy or near-glassy mornings and afternoons. The swell ticks up a notch, sitting around 3ft to 4ft from the south and south-southwest, with a nice 13 to 15-second period. The combined energy climbs into the moderate range, hitting 665 on the morning of Sunday the 19th. That’s solid, clean, long-period groundswell. It’s a reef break here so that long period will wrap in nicely. The winds are either calm or just a light breeze, so you’re looking at smooth, clean faces. This is the time to get wet. Crowds are a possibility here, so don’t expect to have it all to yourself if it’s looking good.
After that little run, things get a bit messy again. The swell drops off and the cross-on wind comes back for a couple of days, but then Thursday the 23rd afternoon and Friday the 24th clean right up again with glassy wind and small, fun waves to close out the forecast.
Bottom line: the first week is a dud. Get your gear ready for the 18th through the 21st—that’s your window for the best waves.
Stay stoked,
Rusty
Short Range ForecastLight rain (total 3mm), mostly falling on Thu morning. Warm (max 28°C on Thu afternoon, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
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 15 | S 14 | S 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 21 | S 19 | S 18 | S 17 | S 16 | S 15 | S 15 | S 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 723 | 593 | 734 | 612 | 684 | 536 | 204 | 295 | 167 | 190 | 187 | 184 | 220 | 323 | 470 | 632 | 725 | 989 | 791 | 657 | 510 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | glassy | glassy | cross-on | glassy | cross-on | on | on | cross-on | on | on | cross-on | cross-on | glassy |
High Tide | 1:42AM1.00m | 1:44PM0.64m | 2:51AM1.07m | 3:15PM0.62m | 3:57AM1.15m | 4:30PM0.64m | 4:56AM1.23m | 5:32PM0.69m | 5:51AM1.30m | 6:25PM0.76m | 6:41AM1.34m | 7:15PM0.83m | |||||||||
Low Tide | 6:29PM0.18m | 8:07AM0.33m | 7:30PM0.18m | 9:33AM0.27m | 8:37PM0.17m | 10:47AM0.18m | 9:46PM0.14m | 11:45AM0.10m | 10:50PM0.10m | 12:35PM0.04m | 11:48PM0.06m | 1:19PM0.00m | 00:42AM0.05m | ||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 6:28 | — | — | 6:28 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — |
mm | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 29 | 30 | 29 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 29 | 31 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 12 | S 11 | S 17 | S 16 | S 15 | S 15 | S 15 |
| kJ | 723 | 593 | 734 | 612 | 684 | 536 | 204 | 295 | 167 | 190 | 187 | 184 | 220 | 206 | 342 | 311 | 725 | 989 | 791 | 657 | 510 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | WNW 10 | WNW 10 | WNW 11 | SSW 18 | SSE 7 | SSE 7 | SSW 13 | SSE 8 | SSE 8 | SSE 7 | SSW 20 | S 21 | S 19 | S 18 | S 11 | SSE 6 | SSW 12 | SSE 6 | SE 7 |
| kJ | 119 | 130 | 32 | 35 | 24 | 31 | 37 | 28 | 67 | 38 | 35 | 21 | 139 | 323 | 470 | 632 | 198 | 6 | 145 | 33 | 8 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | WSW 18 | WSW 18 | — | — | WNW 11 | S 14 | WNW 11 | SSE 7 | WNW 12 | S 22 | SSW 15 | SSE 7 | SSE 7 | SE 7 | SSW 13 | SSW 13 | SSE 7 | SSE 6 | WNW 10 | — |
| kJ | 37 | 31 | 31 | — | — | 24 | 148 | 23 | 16 | 46 | 9 | 21 | 16 | 9 | 8 | 65 | 59 | 5 | 12 | 33 | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 8 | SSE 8 | SSE 8 | SSE 7 | — | — | — | — | — | — | — | — | — | SE 6 | — | — | — | — | — |
| kJ | — | — | 147 | 98 | 74 | 46 | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 0 | 2 | 6 | 331 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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.
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