Cabo Blanco Surf Break

Lat Long: 8.36° N 83.15° W

Cabo Blanco Surf Forecast and Surf Report

Issued: 12 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cabo Blanco sea temperature is
30.2°C
2.0° 

Cabo Blanco surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cabo Blanco surf forecast from 31 Aug 2026:

  • Best quality surf: Thursday 3 Sep, 10AM (local time) - 3ft (0.9m), 12s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 5 Sep, 1PM (local time) - 4.5ft (1.4m), 16s period, SW swell with 906 kJ wave energy.
  • Next surfable swell (1★+): Monday 31 Aug, 7AM (local time) - 3.5ft (1.0m), 13s period with SW 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 (Aug 31) at 7AM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 0.5m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cabo Blanco in the next 16 days are 1.4m 16s and forecast to arrive on Saturday (Sep 05) at 1PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 31st Aug)3.5ft (1.0m) 13s
Best Surf10AM (Thu 3rd Sep)3ft (0.9m) 12s
Most Powerful 1PM (Sat 5th Sep)4.5ft (1.4m) 16s

Table - best surf conditions forecast for Cabo Blanco over the next 16 days.


The Lowdown

Alright, this is Rusty comin' at ya from the coast. We've got a solid run of surf on the horizon, something to get excited about. Let's break it down.

We're lookin' at Cabo Blanco, and it's a classic setup. The water temp is hangin' right around average for this time of year, so no surprises there. The period kicks off right at the end of August, and we've got a nice little window of opportunity.

Monday, August 31st is a cracker of a morning. Glassy as, with a light 3 mph breeze from the NW. The swell is a clean 3 ft out of the SW, with a nice 13-second period. The energy is moderate (371), so there's enough push to have some fun. The afternoons get a bit dicey with the wind turnin' onshore, so be an early bird.

Tuesday, September 1st morning is a bit of a mixed bag. It's a cross-shore wind, but the swell drops a touch to 3 ft. Still, it's not the best session. The afternoon is a write-off with that onshore breeze.

Wednesday, September 2nd morning is another glassy gem, this time dead calm. The swell is 3 ft from the SSW at 13 seconds. The energy is moderate (399). The afternoon, however, sees a weird one: a 17-second period swell rolls in (2 ft), but it's blown out by an onshore wind. That long period stuff is better for the points and reefs, but not in this wind.

Now, this is where it gets good. Thursday, September 3rd morning, glassy again, 3 mph NW wind, and a 3 ft swell from the SSW with a 12-second period. The energy is buildin' nicely at 561 (moderate). This is a solid session.

Friday, September 4th morning is the real standout. Glassy, light breeze, and the swell bumps up to 4 ft from the SW with a 17-second period. The energy is now strong at 962. This is a proper groundswell. The sets will be longer and more powerful, and the paddle out will be easier. This is a morning for the experienced crew, as that long period will make the waves feel a bit bigger. The afternoon gets a bit messy with the onshore wind, but that morning is pure gold.

Saturday, September 5th morning is dead calm, glassy. The swell holds at 4 ft from the SW, 16-second period. The energy is still strong (872). Another top-tier morning session.

Sunday, September 6th morning, glassy again with a 4 ft SW swell at 15 seconds. The energy is still strong (709). This run of glassy mornings is a blessing.

Monday, September 7th morning holds the pattern: glassy, 3 ft SW swell, 14-second period. Energy is moderate (560).

Tuesday, September 8th morning, glassy and calm. The swell drops to 2 ft, but that period is 18 seconds! The energy is moderate (594). That's a very long period, so the waves will be super clean and powerful, but with that smaller size, it'll be a rippable, fun size.

Wednesday, September 9th morning, glassy and calm. 3 ft from the SW at 16 seconds. Solid energy (492).

Thursday, September 10th morning, the wind is a light cross-on, so it's not as perfect. The swell is 3 ft at 17 seconds, so the energy is still strong (689). It's a good option, but not the best.

Friday, September 11th morning, dead calm and glassy. 3 ft from the SW at 16 seconds. Energy is moderate (576). Another great session.

After that, the swell starts to wind down. Saturday, September 12th and Sunday, September 13th have smaller surf, around 2-3 ft, but the mornings are still glassy. The final clear winner is Monday, September 14th morning, with a glassy 2 ft swell from the SSW.

For the pick of the window, it's gotta be Friday, September 4th morning. That 4 ft SW swell with a 17-second period, glassy conditions, and strong energy (962) is a recipe for some of the best waves you'll see in this forecast. The Saturday morning is a close second. Get on it.

Rusty.

Short Range Forecast

Heavy rain (total 56mm), heaviest during Tue night. Warm (max 29°C on Tue morning, min 24°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 40mm), heaviest during Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Wed 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
Rating
(10 max)
2
0
1
1
0
1
2
0
1
3
1
2
3
3
3
3
1
3
3
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SW
13
0.9
SSW
13
0.9
SSW
13
0.9
SW
12
0.9
SW
12
0.8
SSW
12
0.8
SSW
13
0.8
SSW
13
0.6
SW
17
0.9
SSW
12
0.7
SW
19
0.9
SW
18
1.1
SW
17
1.2
SW
17
1.2
SW
16
1.3
SW
16
1.3
SW
16
1.2
SW
15
1.2
SW
15
1.2
SW
14
1.1
SW
14
Wave Graph
Metric surfscale
Energy kJ
347
304
295
220
216
180
215
227
222
222
350
528
772
841
728
803
793
657
623
614
463
Wind (km/h)
5
NW
10
WSW
5
SSW
5
NW
15
WSW
10
WNW
0
ESE
10
SW
5
NW
5
NW
15
WSW
10
NW
5
ESE
10
SW
5
NNW
0
WNW
10
SW
10
NW
5
NW
15
WSW
5
E
Wind State
glassy
cross-on
cross-on
cross
cross-on
cross-on
glassy
on
cross
glassy
cross-on
cross
glassy
on
cross-off
glassy
on
cross-off
glassy
cross-on
cross-off
High Tide
5:29AM3.06m
5:48PM2.86m
6:05AM3.06m
6:27PM2.80m
6:44AM3.00m
7:09PM2.69m
7:28AM2.90m
7:58PM2.56m
8:19AM2.76m
8:56PM2.42m
9:21AM2.62m
10:08PM2.34m
10:36AM2.54m
11:31PM2.36m
Low Tide
11:42AM0.28m
11:51PM0.30m
12:20PM0.28m
00:29AM0.37m
1:02PM0.34m
1:11AM0.47m
1:49PM0.43m
2:00AM0.60m
2:45PM0.55m
3:00AM0.74m
3:53PM0.65m
4:14AM0.84m
5:10PM0.68m
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
6:24
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:39
6:39
6:38
6:38
6:37
6:37
 mm
3
3
8
1
8
26
3
1
1
9
3
2
10
7
7
4
10
9
Temp °C
28
28
26
29
28
25
28
28
26
29
28
27
29
28
25
29
28
25
29
28
25
Feels °C
33
31
31
33
31
30
32
31
30
32
31
32
33
32
29
32
31
28
33
31
29
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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