Guarda do Embau Surf Break

Lat Long: 27.91° S 48.58° W

Guarda do Embau Surf Forecast and Surf Report

Issued: 2 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Guarda do Embau sea temperature is
18.7° C
0.1° 

Guarda do Embau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Guarda do Embau surf forecast from 18 Aug 2026:

  • Best quality surf: Friday 21 Aug, 9PM (local time) - 10ft (3.0m), 9s period, S swell with cross-offshore winds.
  • Most powerful swell: Monday 24 Aug, 9AM (local time) - 8ft (2.5m), 14s period, SSE swell with 2,402 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 9AM (local time) - 5ft (1.5m), 8s period with ENE swell.

Best Forecast Surf Conditions for Guarda do Embau this week:

The surf forecast for Guarda do Embau over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 9AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.2m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Guarda do Embau in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Aug 24) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Aug 18) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 18th Aug)5ft (1.5m) 8s
Best Surf 9PM (Fri 21st Aug)10ft (3.0m) 9s
Most Powerful 9AM (Mon 24th Aug)8ft (2.5m) 14s

Table - best surf conditions forecast for Guarda do Embau over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s cooking at Guarda do Embau over the next couple of weeks.

We’re starting off with a bit of a slow burner. The first couple of days offer some small, clean waves, but nothing to write home about. The real story builds up towards the end of the first week and into the second, with a couple of windows that could be really special.

Tuesday morning the 18th gives us a little 5ft wave from the ENE with a short 8-second period. The wind is a clean cross-off, so it’ll be a fun size for a beginner-friendly spot like this river mouth. The water is sitting at 66°F, which is bang on average for this time of year. The combined energy is weak (298), so don’t expect any punch, but the conditions are right.

The rest of the week into the weekend is pretty ordinary. Wednesday and Thursday are small and messy. Friday morning the 21st has a tiny 3ft wave with a light cross-off and glassy morning conditions, but it’s just not got enough juice. Then we hit a bit of a dry spell until the swell picks up again.

Now, the first standout. Saturday the 22nd sees a jump in swell, but the morning is a bit of a write-off with a 7ft S swell and a cross wind kicking up some chop. The energy is moderate (1206). However, Sunday the 23rd morning is the better call. We’ve got a 6ft swell from the S with a longer 11-second period, giving it a bit more shape. The wind is light and variable, almost glassy, so it’ll be clean. The energy is moderate (674). This is a solid window for a longboard or a fun mid-length board.

The next standout comes on Monday the 24th. This is a big one. The swell jumps to 8ft from the SSE, with a very long 14-second period. The combined energy is strong (2408). This is serious groundswell. The morning wind is light and cross, keeping it manageable. For a river mouth setup, that long period means the wave will be lined up and powerful, but it could also be a bit too straight for the bank. This is definitely for experienced surfers only. The size is pushing into expert territory.

After that, the swell drops back down through the rest of the week. Tuesday the 25th has a drop in size with a strengthening wind, so it’s a pass. The following week has some clean, glassy mornings, like Friday the 28th morning with a small 4ft NE swell and glassy conditions. Then Saturday the 29th is a real gem for beginners or small-wave enthusiasts. The morning is dead flat calm and glassy, with a 5ft SSW swell. The energy is moderate (482). It’s a perfect window for a long, clean session on the inside.

Towards the end of the run, Monday the 1st of September sees a bit more size, but the conditions are marginal with light rain and onshore wind. The 7ft SSW swell on the 31st of August morning is a powerful one (1085 energy), but the onshore wind makes it a tricky call.

So, to wrap it up: the best bets are Sunday the 23rd morning for a clean, fun 6ft groundswell, and Monday the 24th morning for the serious, powerful 8ft SSE groundswell for the experts. The Saturday the 29th morning is your best bet for a small, glassy longboard session.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 33°C on Tue afternoon, min 18°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Fri morning, min 10°C on Sat night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
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
2
2
0
0
1
1
0
1
1
0
!
2
0
3
2
1
4
3
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
ENE
8
1.4
ENE
8
1.2
ENE
8
1
ENE
8
0.9
ENE
8
0.8
ENE
8
0.8
ENE
8
1
ENE
7
0.9
ENE
7
0.9
ENE
7
1
ENE
8
3
S
9
2.1
S
9
1.8
S
8
1.9
S
9
1.7
S
11
1.7
S
11
2
S
12
2.5
SSE
14
2.4
SSE
14
2
SSE
13
Wave Graph
Metric surfscale
Energy kJ
287
277
207
125
105
75
75
114
79
82
123
1406
699
465
549
657
682
1155
2402
2119
1336
Wind (km/h)
15
N
15
N
5
SW
15
S
10
SSE
5
N
10
NNE
20
NNE
10
N
5
W
25
S
20
SW
15
SSW
20
S
10
SW
5
S
10
SSE
10
SW
5
SSW
10
E
15
N
Wind State
cross-off
cross-off
glassy
cross
cross-on
glassy
cross-off
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-off
cross
cross-on
cross-off
cross
cross-on
cross-off
High Tide
4:18PM0.58m
5:03AM0.59m
4:39PM0.55m
6:01AM0.51m
12:32PM0.51m
11:59PM0.31m
12:33PM0.57m
11:21PM0.37m
12:43PM0.63m
11:30PM0.44m
12:57PM0.68m
11:53PM0.52m
1:15PM0.72m
00:17AM0.60m
Low Tide
9:51AM0.35m
9:35PM0.25m
9:21AM0.40m
10:01PM0.27m
9:02AM0.45m
2:44PM0.49m
10:27PM0.31m
10:38PM0.37m
4:12AM0.25m
6:30PM0.40m
5:20AM0.18m
6:39PM0.35m
6:07AM0.11m
7:01PM0.31m
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:41
6:39
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:53
5:53
5:54
5:54
5:55
5:55
 mm
Temp °C
31
33
23
21
20
18
22
23
20
21
19
14
15
13
12
14
14
11
14
15
12
Feels °C
31
33
25
21
20
20
20
21
20
19
15
10
11
8
8
12
11
8
12
12
10
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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 Guarda do Embau Surf forecast

The above surf forecast table for Guarda do Embau provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Guarda do Embau can be found by selecting the local surf guide option on the grey menu. Our Guarda do Embau 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 (Guarda do Embau) 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 Guarda do Embau 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.

Guarda do Embau is 30 km (19 miles) from Palhoca. If you plan a holiday in Santa Catarina - Sul, look for hotels and other accommodation in Palhoca. Palhoca has rooms for a wide range of budgets as well as car hire and transport links.

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