Cabo Blanco Surf Break

Lat Long: 8.36° N 83.15° W

Cabo Blanco Surf Forecast and Surf Report

Issued: 6 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cabo Blanco sea temperature is
30.1°C
1.9° 

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 27 Aug 2026:

  • Best quality surf: Friday 28 Aug, 10PM (local time) - 3ft (0.9m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 29 Aug, 4PM (local time) - 4.5ft (1.3m), 16s period, SW swell with 823 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 1AM (local time) - 1.5ft (0.5m), 17s 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 Friday (Aug 28) at 1AM. The primary swell is predicted to be 0.5m and 17s period with a secondary swell of 0.8m and 6s. 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 1.3m 16s and forecast to arrive on Saturday (Aug 29) at 4PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 28th Aug)1.5ft (0.5m) 17s
Best Surf10PM (Fri 28th Aug)3ft (0.9m) 18s
Most Powerful 4PM (Sat 29th Aug)4.5ft (1.3m) 16s

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


The Lowdown

G'day, Rusty here. We've got a pretty solid run of surf coming up at Cabo Blanco. The forecast shows a nice building trend through the first week, with some real standouts for clean, lined-up waves.

We'll kick off Thursday morning the 27th with small but clean 1ft swell from the SW, with a very long 18-second period. The water is sitting at 86°, which is a touch warmer than normal for this time of year. Thursday morning is glassy, making the most of that tiny groundswell. The combined swell energy is moderate (173). Thursday afternoon gets messy with a cross-on wind, so don't bother.

Friday the 28th morning is the real gem. Completely glassy again, swell ticks up ever so slightly to 2ft from the SW, but the period stretches out to a massive 20 seconds. The energy jumps to moderate-to-strong (359). That's some serious long-period groundswell for a tiny wave; it'll be super clean and glassy, perfect for a longboard. Expect it to be best on the points and reefs here, as a period that long can make beach breaks a bit straight. Afternoon sees the same cross-on wind, so it's a morning-only window.

Saturday the 29th morning is another cracker. Swell jumps to 4ft from the SW, still a good 16-second period, with glassy conditions. The energy is strong (694). This is a proper fun wave. By afternoon it gets onshore and messy, so get out early.

Sunday the 30th is more of the same goodness. A clean 4ft SW swell with a 14-second period and glassy conditions in the morning. The energy is still strong (717). This is the kind of stuff that has you grinning ear to ear. Afternoon again goes onshore. Monday the 31st morning holds with a clean 3ft SW swell, 13-second period, and glassy conditions. Energy remains strong (547). We're into a really consistent run of clean mornings here.

From Tuesday the 1st of September through Wednesday the 2nd, the size drops back but the quality holds. 3ft to 3ft from the SSW/SW, with glassy conditions on the Tuesday afternoon and Wednesday morning. Energy is moderate (301-458). Still very surfable.

Then, keep your eye on Saturday the 5th of September. The morning delivers 5ft of SW swell with a 16-second period and glassy conditions. The combined energy here hits strong (1049). This is the standout of the whole outlook. It’s excellent conditions for experienced surfers. The swell direction from the SW matches perfectly with what this break wants. The crowds here can be a thing sometimes, but on a morning like that with such quality, it'll be worth it. After that, we see a slow taper through the second week, with more clean mornings on Sunday the 6th (4ft, glassy), and Monday the 7th (3ft, glassy). A couple of promising mornings on the 9th and the 11th of September as well, but a bit smaller. The second week is definitely a case of the glassy mornings being your ticket.

Overall, the run from Friday 28th morning all the way through to Saturday 5th morning is the main event, with that Saturday being the absolute top shelf. Get on it.

Rusty.

Short Range Forecast

Heavy rain (total 37mm), heaviest during Sat afternoon. Warm (max 29°C on Thu morning, min 26°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 86mm), heaviest during Mon night. Warm (max 28°C on Sun morning, min 24°C on Mon night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
2
2
0
3
3
1
3
3
1
3
3
0
2
1
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
18
0.4
SW
18
0.5
SW
17
0.5
SW
20
0.5
SW
20
1
SW
18
1.1
SW
16
1.3
SW
16
1.3
SW
15
1.3
SW
14
1.1
SW
14
1
SW
14
1
SW
13
0.9
SSW
13
0.9
SW
13
0.9
SW
12
0.8
SSW
12
0.8
SSW
12
0.8
SSW
13
0.8
SSW
13
0.6
SW
17
Wave Graph
Metric surfscale
Energy kJ
81
81
140
186
186
595
581
823
733
676
521
368
347
304
245
220
190
180
215
227
222
Wind (km/h)
5
NNW
10
WSW
5
NW
0
NNW
10
WSW
5
WNW
0
S
10
SW
5
NW
0
WSW
10
WSW
5
NW
5
NW
15
WSW
5
S
5
SSE
5
SSW
5
ESE
5
ESE
10
S
5
NNW
Wind State
glassy
cross-on
glassy
glassy
cross-on
glassy
glassy
on
glassy
glassy
on
glassy
glassy
on
glassy
cross-on
glassy
glassy
glassy
cross-on
cross-off
High Tide
3:21PM2.69m
3:48AM2.77m
3:58PM2.79m
4:22AM2.91m
4:34PM2.86m
4:55AM3.01m
5:11PM2.88m
5:29AM3.06m
5:48PM2.86m
6:05AM3.06m
6:27PM2.80m
6:44AM3.00m
7:09PM2.69m
Low Tide
9:34PM0.43m
9:53AM0.52m
10:08PM0.34m
10:30AM0.40m
10:42PM0.29m
11:05AM0.32m
11:16PM0.28m
11:42AM0.28m
11:51PM0.30m
12:20PM0.28m
00:29AM0.37m
1:02PM0.34m
1:11AM0.47m
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
6:24
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:42
6:42
6:40
6:40
6:39
6:39
 mm
4
8
2
9
3
9
2
1
6
9
3
18
32
7
3
7
1
1
Temp °C
29
29
27
29
28
27
29
28
27
28
28
26
28
27
25
26
26
25
27
27
26
Feels °C
34
33
31
32
31
32
33
31
32
33
31
30
31
30
30
31
30
29
31
30
31
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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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