Surf Forecasts:
Costa Sol surf forecast from 15 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 12AM (local time) - 3.5ft (1.1m), 18s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 21 Sep, 3AM (local time) - 4.5ft (1.3m), 17s period, SW swell with 974 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 12AM (local time) - 3.5ft (1.1m), 18s period with SW swell.
Best Forecast Surf Conditions for Costa Sol this week:
The surf forecast for Costa Sol over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 12AM. The primary swell is predicted to be 1.1m and 18s period with a secondary swell of 0.7m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Costa Sol in the next 16 days are 1.3m 17s and forecast to arrive on Monday (Sep 21) at 3AM. 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+) | 12AM (Tue 15th Sep) | 3.5ft (1.1m) 18s |
| Best Surf | 12AM (Tue 15th Sep) | 3.5ft (1.1m) 18s |
| Most Powerful | 3AM (Mon 21st Sep) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for Costa Sol over the next 16 days.
The Lowdown
Yo, Rusty here. We got a good run cookin' for the Costa Sol. This ain't about huge, chaotic swell; it's about clean, fun waves that just keep comin'. Water temp is a toasty 88°, which is a bit warmer than you'd expect for this time of year – a real nice treat.
The show starts slow on Monday the 14th with cloudy, onshore wind messin' up the small 3ft waves. Let that one pass. Tuesday morning the 15th is when you need to be in the water. The wind drops to glass, and that SW groundswell has built to a nice 4ft. The energy is solid (923 combined). It's gonna be dead clean, and with a 17-second period, those waves are gonna be smooth and lined up. This is your best bet early on, but the spot can get a bit crowded.
Wednesday the 16th and Thursday the 17th both have glassy mornings with 4ft swell (967 and 1016 combined). Thursday morning is the standout for the experienced surfer – perfect conditions and solid power.
The later part of the month (21st, 22nd) gets a little wind-affected with bigger swell. But then we get a fantastic run of clean mornings from the 23rd all the way through. Sunday morning the 27th is the big finale – a glassy session with the biggest swell of the whole outlook at 5ft (957 combined). A little too much for total beginners, but for the rest of us, that's the dream wave to end the run.
Mornings are the key. Don't sleep in, and you'll be laughing.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 31°C on Mon afternoon, min 25°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 29mm), heaviest during Thu night. Warm (max 31°C on Thu afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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 18 | SW 18 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 20 | SW 20 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 19 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||||
 kJ | 375 | 752 | 663 | 771 | 853 | 768 | 584 | 561 | 691 | 413 | 400 | 455 | 450 | 507 | 528 | 522 | 726 | 930 | 754 | 763 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | glassy | off | cross-on | glassy | glassy | on | glassy | glassy | cross-on | cross |
High Tide | 5:38PM0.46m | 6:26AM0.75m | 6:19PM0.48m | 7:03AM0.79m | 6:51PM0.50m | 7:35AM0.80m | 7:18PM0.50m | 8:06AM0.80m | 7:40PM0.51m | 8:33AM0.78m | 7:59PM0.51m | 8:59AM0.76m | 8:14PM0.51m | |||||||
Low Tide | 11:22PM0.20m | 1:08PM0.25m | 00:02AM0.15m | 1:38PM0.23m | 00:36AM0.11m | 2:04PM0.22m | 1:06AM0.08m | 2:28PM0.23m | 1:32AM0.06m | 2:48PM0.25m | 1:56AM0.06m | 3:07PM0.28m | 2:18AM0.08m | |||||||
 |  | | |  | |  | |  |  | | | | | | | | | | | |
 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — |
mm | — | 2 | — | — | 1 | — | 1 | 2 | — | 2 | 10 | — | 2 | 2 | — | 1 | 12 | — | 1 | 2 |
Temp °C | 31 | 29 | 30 | 31 | 28 | 31 | 31 | 28 | 31 | 31 | 28 | 30 | 31 | 28 | 30 | 30 | 27 | 30 | 30 | 27 |
Feels °C | 34 | 34 | 33 | 34 | 32 | 35 | 34 | 32 | 34 | 35 | 33 | 33 | 34 | 32 | 33 | 33 | 32 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 | SW 19 | SW 18 | SW 18 | SW 18 | SW 19 | SW 17 | SW 17 |
| kJ | 375 | 752 | 663 | 771 | 853 | 768 | 584 | 561 | 691 | 413 | 362 | 394 | 299 | 507 | 528 | 522 | 726 | 930 | 754 | 763 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SW 14 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SW 20 | SW 20 | SW 19 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 8 | S 11 |
| kJ | 82 | 208 | 82 | 79 | 119 | 103 | 126 | 80 | 101 | 72 | 400 | 455 | 450 | 212 | 196 | 169 | 127 | 125 | 69 | 345 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSE 9 | SW 13 | SW 13 | SSW 12 | SSW 12 | SW 11 | SW 22 | SW 21 | SW 21 | S 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSW 12 | SSW 11 |
| kJ | 146 | 61 | 178 | 178 | 96 | 96 | 30 | 233 | 224 | 365 | 66 | 54 | 39 | 27 | 35 | 28 | 39 | 50 | 119 | 105 |
Wind waves Height (m) Direction Period (s) | ESE 8 | — | — | — | — | — | W 3 | W 4 | — | W 4 | — | — | — | W 5 | — | SW 6 | WSW 6 | — | — | — |
| kJ | 14 | — | — | — | — | — | 5 | 7 | — | 4 | — | — | — | 4 | — | 10 | 8 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 109 | 0 | 0 | 361 | 0 | 0 | 546 | 0 | 0 | 642 | 0 | 0 | 214 | 0 | 0 | 623 | 0 | 0 | 647 | 16 |
Best forecast wave conditions in Guerrero | ||||||||||||||||||||
Best forecast wave conditions in Mexico | ||||||||||||||||||||
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Information about the Costa Sol Surf forecast
The above surf forecast table for Costa Sol provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Costa Sol can be found by selecting the local surf guide option on the grey menu. Our Costa Sol 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 Sol) 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 Sol 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 Sol is 27 km (17 miles) from Atoyac de Alvarez. If you plan a holiday in Guerrero, look for hotels and other accommodation in Atoyac de Alvarez. Atoyac de Alvarez has rooms for a wide range of budgets as well as car hire and transport links.
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