Surf Forecasts:
Costa Banderas surf forecast from 31 Aug 2026:
- Best quality surf: Thursday 3 Sep, 9PM (local time) - 3ft (0.9m), 17s period, SW swell with glassy winds.
- Most powerful swell: Friday 4 Sep, 6AM (local time) - 3.5ft (1.0m), 16s period, SW swell with 534 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 3AM (local time) - 2ft (0.6m), 13s 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 Tuesday (Sep 01) at 3AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.5m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Costa Banderas in the next 16 days are 1.0m 16s and forecast to arrive on Friday (Sep 04) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 1st Sep) | 2ft (0.6m) 13s |
| Best Surf | 9PM (Thu 3rd Sep) | 3ft (0.9m) 17s |
| Most Powerful | 6AM (Fri 4th Sep) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for Costa Banderas over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's coming our way for the next couple of weeks.
We've got a slow start, no lie. The first few days are pretty ordinary, with small, weak surf. But hold onto your board, because things start to shape up towards the end of the first week and into the second.
For the first couple of days, Monday the 31st and Tuesday the 1st of September, the swell is tiny, around 2ft to 2ft from the SW. The wave energy is weak (around 159 to 207), and while the mornings are clean enough with light cross-off winds, it's just not got any push. Afternoons get pretty messy with a cross-shore wind.
Then Wednesday the 2nd sees a bump in size, with SSW swell hitting 4ft to 5ft and energy jumping into the moderate range (473 to 559), but it’s paired with a cross-onshore wind, making for a bumpy surface.
Now, here’s where it gets interesting. The real standout of this whole forecast is Friday the 4th of September. We’ve got a nice 3ft SSW groundswell with a very long 16-second period pushing in. The wave energy is strong (778). That’s proper juice. But the magic is the conditions: glassy conditions in the morning with an offshore breeze from the NE. This is going to be clean, lined-up, and very user-friendly. The afternoon stays clean with a cross-off wind, too. This is your session to mark on the calendar at Costa Banderas.
Saturday the 5th also looks very good, with a 4ft WSW swell and strong energy (837), and clean conditions all day. The morning has a nice light cross-off breeze. This is a close second.
We get a mix of options through the first half of the second week. Sunday the 6th has a solid 4ft W swell and offshore winds in the afternoon, and Monday the 7th looks good with a 4ft W swell and glassy morning conditions. The energy stays moderate to strong.
The second week, from the 9th onwards, the swell settles back down into small SW pulses around 2ft to 2ft, with the energy dropping to weak levels. The winds stay mostly light, so there will be clean windows, but the waves will be small and weak. Not much to get excited about.
One thing to note: the water is much warmer than usual for this time of year, with a temperature anomaly of 2°C.
So, to wrap it up: Thursday the 3rd is a good warm-up, but the absolute standout is Friday the 4th of September with glassy conditions and a long-period groundswell. Saturday the 5th is another cracker.
Rusty out.
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 30°C on Mon morning, min 25°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Sat night. Warm (max 30°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | SW 13 | SSW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SW 10 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SW 16 | WSW 12 | W 12 | W 11 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 142 | 118 | 87 | 83 | 95 | 104 | 330 | 518 | 268 | 181 | 362 | 405 | 464 | 441 | 430 | 461 | 425 | 418 | 364 | 363 | 354 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-on | cross | cross-on | cross | cross-on | glassy | cross-on | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 10:47AM1.45m | 11:15PM1.20m | 11:09AM1.44m | 11:58PM1.03m | 11:33AM1.40m | 1:07AM0.86m | 12:01PM1.33m | 12:41PM1.24m | 9:58AM1.12m | 4:11PM1.18m | 8:35AM1.16m | 6:04PM1.28m | |||||||||
Low Tide | 5:12PM0.37m | 4:52AM0.54m | 5:55PM0.40m | 5:03AM0.66m | 6:52PM0.46m | 4:50AM0.77m | 8:46PM0.52m | 11:51PM0.43m | 12:04PM1.11m | 00:53AM0.28m | 1:02PM0.97m | 1:33AM0.16m | |||||||||
 | |  |  | | | | | | | |  | | | | | | |  |  | | |
 | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:46 | — | — | 6:46 | — | — |
 | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — | — | 7:13 | — |
mm | — | — | 4 | — | — | 3 | — | — | 8 | — | — | — | — | — | — | — | — | 6 | 3 | — | — |
Temp °C | 30 | 30 | 29 | 30 | 30 | 27 | 30 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 29 | 26 | 27 | 27 |
Feels °C | 34 | 32 | 33 | 33 | 32 | 29 | 32 | 32 | 33 | 32 | 32 | 34 | 34 | 33 | 34 | 33 | 31 | 33 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 10 | SW 10 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SW 10 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | W 11 | W 11 |
| kJ | 142 | 59 | 58 | 83 | 95 | 104 | 330 | 518 | 268 | 181 | 249 | 367 | 314 | 179 | 374 | 461 | 425 | 418 | 364 | 363 | 354 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SSW 13 | SW 13 | SW 9 | SW 8 | SW 13 | SW 16 | WSW 11 | SW 16 | SW 15 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SSW 15 | SW 14 | SW 14 | SSW 14 |
| kJ | 54 | 118 | 87 | 27 | 18 | 45 | 127 | 39 | 125 | 112 | 362 | 405 | 464 | 441 | 430 | 358 | 344 | 272 | 214 | 214 | 180 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | SW 19 | SW 18 | SW 18 | SW 18 | WSW 10 | WSW 9 | W 11 | W 11 | SW 18 | W 10 | — | — | WSW 11 | — | SW 21 | — | NW 4 | NW 4 | NW 4 | SW 19 |
| kJ | 11 | 14 | 13 | 49 | 49 | 30 | 16 | 2 | 20 | 161 | 2 | — | — | 102 | — | 18 | — | 4 | 4 | 3 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 4 | 2 | 0 | 4 | 2 | 2 | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 8 | 0 | 0 |
Best forecast wave conditions in Nayarit | |||||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||||
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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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