Surf Forecasts:
Zepotonengo surf forecast from 20 Aug 2026:
- Best quality surf: Saturday 22 Aug, 12AM (local time) - 2.5ft (0.8m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 3PM (local time) - 3ft (0.9m), 16s period, SSW swell with 475 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 9PM (local time) - 2.5ft (0.8m), 13s period with SSW swell.
Best Forecast Surf Conditions for Zepotonengo this week:
The surf forecast for Zepotonengo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 9PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.7m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Zepotonengo in the next 16 days are 0.9m 16s and forecast to arrive on Monday (Aug 24) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 20th Aug) | 2.5ft (0.8m) 13s |
| Best Surf | 12AM (Sat 22nd Aug) | 2.5ft (0.8m) 16s |
| Most Powerful | 3PM (Mon 24th Aug) | 3ft (0.9m) 16s |
Table - best surf conditions forecast for Zepotonengo over the next 16 days.
The Lowdown
Alright, Rusty here. We’ve got a single spot in the mix for the next 16 days, and it’s Zepotonengo. This is a beginner-friendly, fairly consistent break that’s wide open to swell from the south-southwest. Water temp is sitting at 88°, which is a touch warmer than usual for this time of year, so you’ll notice that extra warmth in the water.
The run starts Thursday morning August 20th with a clean 3ft SSW swell, a 14-second period, and light cross-offshore breeze. The combined energy is moderate, around 364. It’s a nice little morning wave, but the afternoon gets sloppy with onshore wind. Friday morning the 21st is similar – clean 3ft S swell, but a shorter 10-second period, and then Saturday morning August 22nd is a beauty: glassy, 4ft S swell, energy at 445. That’s the best of the early week.
The real standout of the first week is Saturday morning August 22nd – glassy, 4ft S swell, clean lines. From Sunday to Monday mornings, a long-period SW groundswell (18 seconds) rolls in, but the waves are smaller at 2ft to 3ft. The long period means better shape, but on a beach break it might be a bit too straight. Still, glassy winds on Monday morning the 24th make it worthwhile.
The second week gets bigger. Friday morning August 28th brings a glassy 4ft SW swell with energy climbing to 968. Then Saturday morning August 29th is the big one: 6ft SW swell, glassy, and a combined energy of 1626 – that’s strong wave energy. This is excellent for experienced surfers; beginners should stay on the sand. Sunday morning the 30th stays clean with 5ft SW and offshore winds, and Monday morning the 31st is glassy again with 4ft SSW.
Into September, the mornings stay glassy but the swell drops. Tuesday September 1st has 3ft SSW, glassy and clean. The last real call is Thursday morning September 3rd – glassy, 3ft SW with a 15-second period, and moderate energy. After that, afternoons get blown out and mornings become more marginal.
Top pick? Saturday morning August 29th. That 6ft SW swell, glassy, and strong energy – that’s the session for the experienced crew. Also circle Friday morning August 28th and Sunday morning August 30th.
Rusty out.
Short Range ForecastModerate rain (total 12mm), heaviest on Sat night. Warm (max 31°C on Thu morning, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Warm (max 31°C on Mon morning, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 14 | SSW 13 | SW 13 | S 10 | S 11 | SSW 16 | S 10 | SSW 14 | SSW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 232 | 219 | 175 | 121 | 184 | 347 | 288 | 321 | 299 | 334 | 323 | 465 | 316 | 475 | 475 | 211 | 258 | 255 | 196 | 181 | 171 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | glassy | cross-on | cross-off | cross | cross-on | cross-off | glassy | cross-on | off | glassy | cross-on | off | glassy | cross-on | off |
High Tide | 8:16PM0.80m | 8:58AM1.04m | 8:58PM0.75m | 9:44AM1.00m | 9:43PM0.71m | 10:33AM0.97m | 10:35PM0.68m | 11:25AM0.95m | 11:33PM0.67m | 12:18PM0.95m | 00:35AM0.70m | 1:12PM0.94m | 1:36AM0.75m | ||||||||
Low Tide | 2:36PM0.24m | 2:15AM0.13m | 3:23PM0.28m | 2:54AM0.16m | 4:12PM0.31m | 3:37AM0.20m | 5:06PM0.33m | 4:26AM0.23m | 6:03PM0.34m | 5:22AM0.26m | 6:58PM0.33m | 6:26AM0.28m | 7:47PM0.31m | ||||||||
 | |  | | | | |  |  |  | | | |  | | | | | | | | |
 | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:44 | — |
mm | — | — | — | — | — | — | — | 1 | 11 | — | — | 3 | — | 1 | 1 | — | — | 3 | — | — | 5 |
Temp °C | 31 | 31 | 29 | 31 | 31 | 29 | 30 | 31 | 28 | 30 | 30 | 29 | 31 | 30 | 29 | 31 | 31 | 28 | 30 | 31 | 28 |
Feels °C | 33 | 33 | 34 | 33 | 33 | 33 | 32 | 34 | 33 | 34 | 32 | 34 | 33 | 33 | 34 | 33 | 34 | 33 | 32 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | S 10 | S 10 | S 10 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 13 | SW 18 | SW 18 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 132 | 116 | 118 | 121 | 184 | 239 | 288 | 264 | 204 | 165 | 282 | 465 | 316 | 475 | 475 | 211 | 258 | 255 | 196 | 181 | 171 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SW 13 | SE 8 | SSW 14 | SSW 16 | SSW 13 | SSW 14 | SSW 14 | SSW 13 | S 10 | SSW 13 | SSW 13 | S 9 | SSW 12 | SSW 12 | SSE 9 | SSE 9 | SSE 9 | ESE 9 | ESE 8 |
| kJ | 232 | 219 | 175 | 57 | 140 | 347 | 120 | 321 | 299 | 282 | 156 | 212 | 183 | 81 | 127 | 96 | 66 | 47 | 46 | 54 | 41 |
Swell 3 Height (m) Direction Period (s) | E 4 | SE 9 | SE 8 | SSW 12 | SE 7 | ESE 8 | ESE 8 | SE 7 | ESE 8 | SW 18 | SW 18 | S 10 | SSE 10 | SSW 12 | SSE 9 | SSE 9 | SSW 12 | ESE 8 | ESE 8 | SSE 9 | SSE 9 |
| kJ | 1 | 76 | 48 | 103 | 25 | 55 | 37 | 13 | 44 | 334 | 323 | 92 | 72 | 133 | 68 | 69 | 79 | 26 | 23 | 45 | 25 |
Wind waves Height (m) Direction Period (s) | — | S 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | — |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1081 | 0 | 0 | 151 | 0 | 0 | 151 | 0 | 13 | 151 | 0 | 0 | 151 | 0 | 0 | 166 | 0 | 0 | 166 | 0 |
Best forecast wave conditions in Oaxaca | |||||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||||
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Information about the Zepotonengo Surf forecast
The above surf forecast table for Zepotonengo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Zepotonengo can be found by selecting the local surf guide option on the grey menu. Our Zepotonengo 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 (Zepotonengo) 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 Zepotonengo 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 Oaxaca? If you are looking for accommodation near Zepotonengo, camping, hotels and holiday cottages in Oaxaca, consider staying in Puerto Escondido which is 34 km (21 miles) away. Other places in and around Oaxaca where you can find information about places to rent, and car hire include Nopala which is 60 km (37 miles) away and Miahuatlan de Porfirio Diaz, 71 km (44 miles) away.
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