Surf Forecasts:
Cabo Blanco surf forecast from 20 Jul 2026:
- Best quality surf: Saturday 25 Jul, 1AM (local time) - 3ft (0.9m), 21s period, SSW swell with glassy winds.
- Most powerful swell: Monday 27 Jul, 1AM (local time) - 4ft (1.2m), 17s period, SW swell with 885 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 10PM (local time) - 2.5ft (0.8m), 12s period with SSW swell.
Best Forecast Surf Conditions for Cabo Blanco this week:
The surf forecast for Cabo Blanco over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 20) at 10PM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.8m and 7s. Another secondary swell of 0.8m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Cabo Blanco in the next 16 days are 1.2m 17s and forecast to arrive on Monday (Jul 27) at 1AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Jul 22) at 10AM.
| Wave Type | Time (EST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 20th Jul) | 2.5ft (0.8m) 12s |
| Best Surf | 1AM (Sat 25th Jul) | 3ft (0.9m) 21s |
| Most Powerful | 1AM (Mon 27th Jul) | 4ft (1.2m) 17s |
Table - best surf conditions forecast for Cabo Blanco over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s look at the surf for the next couple of weeks.
We’ve got a run of small, clean waves starting Monday morning, July 20, at Cabo Blanco. The water is sitting at 87° – that’s much warmer than usual for this time of year, so you won’t need a thick wetsuit. The first session is a beauty: glassy conditions, a 3ft SSW swell with a 12-second period, and the combined wave energy is moderate (406). It’s not big, but it’ll be clean and fun. That afternoon turns a bit cross-on, so it’s best to get out early.
Tuesday and Wednesday mornings (July 21 and 22) keep things tidy with 2ft to 2ft SW swells, 14 to 13-second periods, light cross-off winds, and clean surfaces. The energy drops a bit (395 and 237), but for a small wave you’ll be smiling.
Thursday morning, July 23, is a standout: glassy again, 4ft SW swell, but the period is short at 7 seconds – so it’ll be a bit crumbly, but still fun for a grovel.
The next real highlight comes Saturday morning, July 25. Dead calm, glassy water, 2ft SW swell with a 21-second period – that’s proper groundswell energy (640). The wave quality will be excellent; just be aware that a long period like that can make beach breaks a bit straight, but Cabo Blanco handles SW swells well. The best of the bunch is Tuesday morning, July 28 – 5ft SW swell, 18-second period, glassy, and combined wave energy is strong at 1213. This is for experienced surfers; it’s not beginner territory. The wave quality is excellent.
Sunday morning, July 26, and Monday morning, July 27, are also worth a paddle with glassy starts and 3ft to 3ft SW swell, long periods (19 seconds), and good energy (611 and 848). Crowds are possible at Cabo Blanco – it’s a spot that can get busy sometimes.
The run of good morning glass keeps going through to the end of the first week and into August. Thursday, July 30, is a bit marginal with cross-shore wind, but Friday morning, July 31, is glassy again with a 4ft SSW swell, 14-second period, and moderate energy (614). Tuesday morning, August 4, looks promising – glassy, 4ft SSW swell, 14-second period, energy at 687. The afternoon of the 4th jumps to 5ft SSW swell, 14-second period, with strong energy (1113), but the wind is cross-shore, so it won’t be perfect.
Overall, the best bets are the glassy mornings. The standout is Tuesday morning, July 28 – that’s the one to circle on the calendar. For the rest of the run, keep an eye on the morning glass; it’s consistently delivering clean, small-to-medium waves.
Rusty.
Short Range ForecastHeavy rain (total 45mm), heaviest during Tue night. Warm (max 29°C on Tue morning, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 65mm), heaviest during Fri morning. Warm (max 28°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 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 12 | SSW 12 | SSW 12 | SW 14 | SSW 11 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 7 | SW 26 | SSW 7 | SSW 24 | SW 24 | SSW 21 | SW 21 | SSW 20 | SW 19 | SW 19 | SW 18 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 248 | 248 | 186 | 206 | 213 | 421 | 172 | 133 | 123 | 143 | 171 | 68 | 487 | 271 | 799 | 467 | 490 | 863 | 513 | 614 | 885 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | glassy | cross-on | cross | cross-on | cross | glassy | glassy | cross | off | cross | cross-on | glassy |
High Tide | 8:22PM2.60m | 8:47AM2.77m | 9:14PM2.41m | 9:37AM2.60m | 10:10PM2.26m | 10:30AM2.46m | 11:13PM2.16m | 11:30AM2.38m | 00:19AM2.13m | 12:31PM2.36m | 1:21AM2.17m | 1:29PM2.41m | 2:14AM2.27m | ||||||||
Low Tide | 2:18PM0.50m | 2:28AM0.56m | 3:09PM0.63m | 3:17AM0.75m | 4:04PM0.75m | 4:11AM0.91m | 5:03PM0.83m | 5:11AM1.00m | 6:05PM0.84m | 6:15AM1.03m | 7:05PM0.80m | 7:15AM0.99m | 7:58PM0.71m | ||||||||
 | |  | | |  | | |  | | | | |  |  |  | | | | | | |
 | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — |
mm | 6 | 2 | 4 | 2 | 7 | 11 | 2 | 1 | 10 | 1 | 11 | 14 | 34 | 2 | — | — | — | 3 | 4 | 4 | 4 |
Temp °C | 27 | 26 | 25 | 29 | 28 | 26 | 26 | 27 | 25 | 28 | 27 | 25 | 24 | 25 | 25 | 28 | 28 | 26 | 27 | 27 | 26 |
Feels °C | 31 | 30 | 30 | 32 | 32 | 30 | 29 | 31 | 29 | 32 | 31 | 29 | 26 | 28 | 29 | 31 | 30 | 28 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 7 | SSW 12 | SSW 11 | SSW 11 | SSW 13 | SW 13 | SSW 6 | SSW 6 | SW 7 | SW 7 | SSW 7 | SW 7 | WSW 6 | SSW 21 | SSW 11 | SSW 20 | SW 19 | SW 19 | SW 18 | SW 17 |
| kJ | 248 | 73 | 186 | 170 | 213 | 421 | 172 | 41 | 113 | 143 | 121 | 68 | 102 | 57 | 799 | 158 | 490 | 863 | 513 | 614 | 885 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | SSW 12 | SSW 6 | SW 14 | SW 14 | WSW 6 | S 6 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SSW 11 | SSW 24 | SSW 12 | SW 7 | SW 21 | SSW 8 | SSW 10 | S 8 | SSW 10 | SSW 10 |
| kJ | 64 | 248 | 54 | 206 | 167 | 6 | 29 | 133 | 123 | 59 | 68 | 46 | 487 | 189 | 79 | 467 | 71 | 187 | 46 | 131 | 100 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 14 | S 6 | WSW 6 | W 11 | S 11 | SW 12 | S 14 | SW 12 | SW 26 | WSW 8 | SSW 12 | SW 24 | SW 16 | WSW 6 | SSW 11 | SW 14 | S 10 | SW 21 | WNW 12 |
| kJ | 94 | 127 | 99 | 19 | 7 | 9 | 36 | 36 | 16 | 22 | 171 | 20 | 48 | 271 | 124 | 15 | 40 | 53 | 52 | 117 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 0 | 0 | 149 | 0 | 0 | 33 | 0 | 0 | 7 | 15 | 111 | 15 | 0 | 0 | 7 | 0 | 7 | 17 | 0 |
Best forecast wave conditions in Golfo Dulce | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
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Information about the Cabo Blanco Surf forecast
The above surf forecast table for Cabo Blanco provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cabo Blanco can be found by selecting the local surf guide option on the grey menu. Our Cabo Blanco 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 (Cabo Blanco) 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 Cabo Blanco 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 Golfo Dulce? If you are looking for accommodation near Cabo Blanco, camping, hotels and holiday cottages in Golfo Dulce, consider staying in Golfito which is 31 km (19 miles) away. Other places in and around Golfo Dulce where you can find information about places to rent, and car hire include Puerto Armuelles which is 32 km (20 miles) away, La Concepcion, Pedregal and David.
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