Surf Forecasts:
Chacahua surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 3AM (local time) - 3.5ft (1.1m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 9PM (local time) - 4ft (1.2m), 16s period, SSW swell with 657 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 3AM (local time) - 3.5ft (1.1m), 14s period with SW swell.
Best Forecast Surf Conditions for Chacahua this week:
The surf forecast for Chacahua over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 3AM. The primary swell is predicted to be 1.1m and 14s period with a secondary swell of 0.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Chacahua in the next 16 days are 1.2m 16s and forecast to arrive on Tuesday (Aug 18) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Aug 23) at 3AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 18th Aug) | 3.5ft (1.1m) 14s |
| Best Surf | 3AM (Tue 18th Aug) | 3.5ft (1.1m) 14s |
| Most Powerful | 9PM (Tue 18th Aug) | 4ft (1.2m) 16s |
Table - best surf conditions forecast for Chacahua over the next 16 days.
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Warm (max 31°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Sat night. Warm (max 30°C on Thu afternoon, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
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) | SW 15 | SW 17 | SW 14 | SW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 14 | S 11 | SSW 17 | S 10 | S 10 | SSW 16 | SSW 14 | SSW 14 | SW 18 |
Wave Graph  | ||||||||||||||||||||
 kJ | 657 | 419 | 482 | 509 | 657 | 443 | 362 | 347 | 229 | 219 | 170 | 211 | 186 | 351 | 326 | 321 | 382 | 330 | 286 | 465 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | on | cross-off | cross-off | on | cross-off | glassy | on | off | glassy | cross-on | cross-off | cross-off | cross-on | cross-off |
High Tide | 6:10PM0.86m | 6:51AM1.03m | 6:53PM0.81m | 7:35AM1.02m | 7:34PM0.76m | 8:18AM0.99m | 8:13PM0.71m | 9:00AM0.96m | 8:52PM0.67m | 9:43AM0.92m | 9:32PM0.63m | 10:29AM0.89m | 10:17PM0.60m | |||||||
Low Tide | 00:18AM0.03m | 1:08PM0.17m | 00:58AM0.04m | 1:54PM0.19m | 1:36AM0.06m | 2:38PM0.22m | 2:12AM0.09m | 3:22PM0.26m | 2:49AM0.11m | 4:08PM0.29m | 3:28AM0.14m | 4:58PM0.32m | ||||||||
 |  | | |  | |  | | | |  | | | | |  | | | | | |
 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:51 | — | — | 6:50 | — |
mm | — | — | — | — | 5 | — | 2 | 6 | — | — | — | — | — | — | — | — | 18 | 2 | — | 1 |
Temp °C | 31 | 30 | 30 | 30 | 29 | 31 | 30 | 29 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 28 |
Feels °C | 32 | 35 | 31 | 31 | 33 | 33 | 32 | 34 | 32 | 31 | 33 | 31 | 32 | 33 | 32 | 31 | 33 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 13 | SW 14 | SW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 9 | S 9 | S 10 | S 10 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 |
| kJ | 657 | 253 | 482 | 509 | 657 | 443 | 362 | 347 | 106 | 142 | 153 | 156 | 178 | 245 | 326 | 320 | 255 | 210 | 194 | 157 |
Swell 2 Height (m) Direction Period (s) | S 11 | SW 17 | ESE 8 | SSW 10 | S 10 | S 10 | SSE 9 | SSE 8 | SSW 13 | SSW 13 | SW 13 | SE 9 | SE 8 | SSW 17 | SSW 14 | SSW 14 | SSW 16 | SSW 14 | SSW 14 | SW 18 |
| kJ | 85 | 419 | 41 | 78 | 46 | 65 | 106 | 120 | 229 | 219 | 170 | 91 | 102 | 351 | 232 | 321 | 382 | 286 | 286 | 465 |
Swell 3 Height (m) Direction Period (s) | SE 10 | S 11 | S 11 | SE 8 | SE 8 | SE 8 | W 4 | SW 21 | SE 9 | SE 8 | ESE 9 | SW 14 | SSW 14 | SE 8 | ESE 7 | SE 7 | SW 20 | SW 18 | SW 18 | SSW 13 |
| kJ | 26 | 82 | 55 | 31 | 23 | 17 | 3 | 69 | 12 | 11 | 54 | 211 | 186 | 64 | 21 | 12 | 186 | 330 | 258 | 209 |
Wind waves Height (m) Direction Period (s) | SSE 5 | — | — | — | W 4 | — | SW 4 | — | WNW 4 | W 4 | — | — | — | — | — | WSW 3 | W 4 | — | — | — |
| kJ | 4 | — | — | — | 4 | — | 5 | — | 3 | 3 | — | — | — | — | — | 3 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 951 | 26 | 0 | 254 | 0 | 0 | 254 | 26 | 0 | 254 | 0 | 0 | 977 | 0 | 0 | 254 | 0 | 0 | 276 | 0 |
Best forecast wave conditions in Oaxaca | ||||||||||||||||||||
Best forecast wave conditions in Mexico | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chacahua surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Chacahua Surf forecast
The above surf forecast table for Chacahua provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chacahua can be found by selecting the local surf guide option on the grey menu. Our Chacahua 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 (Chacahua) 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 Chacahua 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 Chacahua, camping, hotels and holiday cottages in Oaxaca, consider staying in Santiago Pinotepa Nacional which is 47 km (29 miles) away. Other places in and around Oaxaca where you can find information about places to rent, and car hire include San Juan Colbrado which is 61 km (38 miles) away, Nopala and Puerto Escondido.
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