Surf Forecasts:
Costa Banderas surf forecast from 28 Aug 2026:
- Best quality surf: Saturday 29 Aug, 12AM (local time) - 3ft (0.9m), 16s period, SSW swell with glassy winds.
- Most powerful swell: Friday 4 Sep, 6AM (local time) - 3ft (0.9m), 16s period, SSW swell with 475 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 12AM (local time) - 3ft (0.9m), 16s period with SSW swell.
Best Forecast Surf Conditions for Costa Banderas this week:
The surf forecast for Costa Banderas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 12AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.3m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Costa Banderas in the next 16 days are 0.9m 16s and forecast to arrive on Friday (Sep 04) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Monday (Aug 31) at 3PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sat 29th Aug) | 3ft (0.9m) 16s |
| Best Surf | 12AM (Sat 29th Aug) | 3ft (0.9m) 16s |
| Most Powerful | 6AM (Fri 4th Sep) | 3ft (0.9m) 16s |
Table - best surf conditions forecast for Costa Banderas over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Costa Banderas.
First things first, the water is sitting at 89°, which is a solid 4° warmer than normal for this time of year – that’s notably warm, so you’re in for a bath.
The next 16 days are mostly about clean but small, long-period groundswell. Don’t expect any massive days, but there’s a decent run of surfable conditions, especially if you’ve got a longer board. The period is often over 15 seconds, which gives these waves some real push and shape, but it also means long lulls between sets. At a reef break like this one, that long-period stuff is a good thing.
The standout period is actually a stretch from Thursday, September 3rd through to the weekend of the 6th. Morning sessions look best, with glassy or light offshore winds and swell hanging around the 2 ft to 3 ft range from the SSW and SW. On the 5th (Saturday morning) you get glassy conditions with that 3 ft SSW swell and moderate energy (468). That’s the pick of the bunch – clean, consistent enough, and just a fun little reef wave. Another top call is the morning of the 4th of September: 3 ft from the SSW, light offshore NE wind, and strong energy readings of 585 – that’s the best combination of swell size, direction, and power you’ll see in the whole outlook.
Sunday the 6th morning is also a beauty with glassy conditions and a clean 2 ft SW swell (275 energy). From the 7th onwards, things get ordinary. There are gaps of a few days (like the 8th and 9th) where conditions are poor with cross-shore wind and chop. Then it tries to come back on the morning of Thursday the 10th of September with glassy conditions and 2 ft SW swell (445 energy), but the afternoon gets messy again. After that, it’s a mixed bag with only marginal or ordinary conditions through to the 12th.
So overall, the best bet is the window from the 3rd to the 6th of September, with the absolute standout being the morning of the 4th – that 3 ft SSW groundswell, light land breeze, and strong energy. You won’t find better on offer.
Keep it salty.
- Rusty
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat night. Warm (max 31°C on Sun afternoon, min 26°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Warm (max 30°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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 16 | SW 17 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SSW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 17 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 177 | 309 | 458 | 441 | 353 | 275 | 211 | 211 | 203 | 144 | 118 | 116 | 82 | 82 | 66 | 129 | 127 | 127 | 183 | 362 | 405 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross-on | cross-off | cross | cross-off | cross | cross-off | cross-off | glassy | glassy | cross-off | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off |
High Tide | 9:52AM1.36m | 9:32PM1.49m | 10:09AM1.40m | 10:04PM1.43m | 10:28AM1.43m | 10:38PM1.33m | 10:47AM1.45m | 11:15PM1.20m | 11:09AM1.44m | 11:58PM1.03m | 11:33AM1.40m | 1:07AM0.86m | 12:01PM1.33m | ||||||||
Low Tide | 3:33PM0.48m | 3:54AM0.23m | 4:03PM0.42m | 4:15AM0.32m | 4:36PM0.38m | 4:35AM0.43m | 5:12PM0.37m | 4:52AM0.54m | 5:55PM0.40m | 5:03AM0.66m | 6:52PM0.46m | 4:50AM0.77m | 8:46PM0.52m | ||||||||
 | |  |  | |  |  | | | | |  | |  | | | | | | |  | |
 | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | 7:21 | — | — | 7:20 | — | — | 7:19 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — |
mm | 2 | 4 | 2 | — | — | 9 | — | — | 7 | — | — | — | — | — | — | — | — | 8 | — | — | — |
Temp °C | 30 | 30 | 27 | 30 | 29 | 29 | 30 | 31 | 28 | 29 | 30 | 28 | 30 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 |
Feels °C | 35 | 33 | 29 | 34 | 31 | 35 | 34 | 34 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 32 | 33 | 32 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 17 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SW 10 | SW 13 | SW 13 | SSW 13 | WSW 10 | W 11 | W 10 | W 10 | SW 17 | SW 17 |
| kJ | 177 | 309 | 458 | 441 | 353 | 275 | 211 | 211 | 203 | 144 | 118 | 58 | 82 | 82 | 66 | 71 | 110 | 108 | 106 | 362 | 405 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | WNW 4 | SSW 10 | SSW 11 | SW 11 | SW 9 | SW 11 | SW 10 | SW 9 | SW 9 | SSW 13 | SW 9 | SW 8 | WSW 10 | SW 16 | SW 16 | SW 16 | SW 15 | W 10 | W 11 |
| kJ | 85 | 61 | 3 | 32 | 64 | 56 | 21 | 92 | 61 | 54 | 54 | 116 | 38 | 34 | 34 | 129 | 127 | 127 | 183 | 100 | 112 |
Swell 3 Height (m) Direction Period (s) | WSW 7 | WNW 13 | WSW 7 | NW 7 | NW 4 | WNW 6 | SW 12 | WNW 11 | WNW 4 | WNW 11 | SW 19 | NNW 3 | SW 18 | SW 18 | SW 8 | SSW 13 | SSW 12 | SSW 12 | SW 18 | SW 12 | SSW 7 |
| kJ | 18 | 17 | 4 | 7 | 2 | 4 | 21 | 12 | 3 | 11 | 14 | 1 | 49 | 49 | 18 | 63 | 58 | 57 | 161 | 35 | 5 |
Wind waves Height (m) Direction Period (s) | — | W 7 | — | — | — | — | — | WNW 4 | — | NNW 4 | NNW 2 | — | — | WNW 4 | — | — | — | — | — | — | — |
| kJ | — | 15 | — | — | — | — | — | 2 | — | 2 | 1 | — | — | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 258 | 0 | 2 | 27 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
Best forecast wave conditions in Nayarit | |||||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Costa Banderas Surf forecast
The above surf forecast table for Costa Banderas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Costa Banderas can be found by selecting the local surf guide option on the grey menu. Our Costa Banderas 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 (Costa Banderas) 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 Costa Banderas 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.
Costa Banderas is 27 km (17 miles) from Puerto Vallarta. If you plan a holiday in Nayarit, look for hotels and other accommodation in Puerto Vallarta. Puerto Vallarta has rooms for a wide range of budgets as well as car hire and transport links.
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