Mundaka Surf Break

Lat Long: 43.42° N 2.70° W

Mundaka Surf Forecast and Surf Report

Issued: 1 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mundaka sea temperature is
23.9°C
2.8° 

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


Mundaka surf forecast from 29 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 11AM (local time) - 5ft (1.6m), 9s period, NW swell with offshore winds.
  • Most powerful swell: Monday 31 Aug, 8PM (local time) - 5ft (1.6m), 10s period, NW swell with 530 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 11AM (local time) - 5ft (1.6m), 9s period with NW swell.

Best Forecast Surf Conditions for Mundaka this week:

The surf forecast for Mundaka over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 11AM. The primary swell is predicted to be 1.6m and 9s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mundaka in the next 16 days are 1.6m 10s and forecast to arrive on Monday (Aug 31) at 8PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 29th Aug)5ft (1.6m) 9s
Best Surf11AM (Sat 29th Aug)5ft (1.6m) 9s
Most Powerful 8PM (Mon 31st Aug)5ft (1.6m) 10s

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


The Lowdown

Alright folks, it’s Rusty here. Let’s have a look at what’s on the cards for the Basque Country over the next couple of weeks. We’ve got one spot on the radar, and it’s a classic: Mundaka. The setup looks promising, but it’s a bit of a mixed bag with some absolute gems and some total duds in the mix.

We kick off right away, no waiting around. The first call is for the morning of Saturday, the 29th of August. The water is sitting at 75°, which is much warmer than normal for this time of year, a solid 5° above the average. A nice little bonus for your session.

Saturday morning is the main event to start. We’re seeing a clean 5ft swell from the northwest, with a solid 9-second period. The wind is a light offshore from the SSE at 3 mph, so it’s going to be clean. The combined energy is moderate at 397. This is a proper standout for the early part of the outlook. You’ll want to be on it, but remember, this is a crowd favourite, and it’s often busy, so expect company.

The afternoon on Saturday goes south fast. The wind swings onshore from the north, and the quality drops off completely. Forget about it.

Sunday the 30th is a different story. The morning is looking glassy with a 5ft northwest swell, a 10-second period, and absolutely zero wind from the WNW. That’s a glass-off situation. The water is clean, and the energy is still moderate at 373. This is another top-tier window. The afternoon, however, gets messy with a cross-onshore wind, so make the morning session count.

Monday the 31st gives us another morning to chase. The swell holds at 5ft from the northwest, 9-second period, and the wind is light offshore from the west at 3 mph, making it glassy. The energy is up to 449. This is a solid, clean morning. The afternoon is a write-off with onshore winds.

Tuesday the 1st of September and Wednesday the 2nd are poor. The swell drops, and the wind is either onshore or cross-shore. We’ve got a couple of glassy mornings, but the swell is tiny, with energy dropping into the double digits. It’s surfable but very ordinary, not worth a trip.

Thursday the 3rd and Friday the 4th are forgettable. The swell is tiny, and the wind is onshore. A real flat spell.

Now, here’s the long-range promise. Saturday the 5th of September. The morning brings a clean 3ft swell from the NNW, but check out the period: 14 seconds. That’s a long-period groundswell. The wind is glassy from the ENE at 3 mph. The combined energy is a strong 474. This is a standout, but it’s a week out, so keep an eye on it. The long period means it will be great for Mundaka’s point setup, but it might be a bit too straight for a beach break. The afternoon gets chopped.

Sunday the 6th of September has another promising morning: 4ft from the northwest, 11-second period, glassy wind from the east at 3 mph, and moderate energy at 346. Another clean window.

After that, from Monday the 7th through to the end of the forecast on the 13th, the conditions look poor. The wind turns onshore or cross-shore, and the swell stays small and weak. There are a few mornings with light winds, but the swell is just too small to get excited about, with energy figures dropping below 100. It’s a long, flat spell to finish the outlook.

So, to sum it up: the absolute best windows are the mornings of Saturday the 29th, Sunday the 30th, and Monday the 31st of August. The long-range tip is the morning of Saturday the 5th of September. Get on it while it’s good, because the flat spells are long.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat afternoon, min 17°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
2
0
1
2
1
1
0
0
0
1
0
0
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
NW
9
1.5
NW
9
1.3
WNW
9
1.4
NW
10
1.4
NW
9
1.4
NW
8
1.6
NW
9
1.6
NW
10
1.5
NW
10
1.2
NW
10
1.2
NW
9
1.1
NW
9
0.8
NW
8
0.6
NW
8
0.6
NW
8
0.4
NW
7
0.8
NW
9
0.9
NW
8
0.8
NW
8
0.8
NW
8
0.6
NW
10
Wave Graph
Metric surfscale
Energy kJ
397
342
258
373
314
273
449
520
425
262
251
172
82
53
40
19
97
109
78
78
63
Wind (km/h)
5
SSE
10
N
10
S
0
NW
20
NW
10
WNW
5
WNW
10
N
5
ENE
10
NE
10
N
5
ENE
5
ESE
15
NE
5
SSE
5
E
10
NE
5
SSE
10
E
15
NE
0
SSW
Wind State
off
on
off
glassy
cross-on
cross
glassy
on
cross-on
cross-on
on
cross
glassy
cross-on
off
glassy
cross-on
off
cross
cross-on
glassy
High Tide
6:12PM3.83m
6:31AM3.63m
6:44PM3.84m
7:03AM3.63m
7:18PM3.77m
7:38AM3.56m
7:55PM3.61m
8:16AM3.43m
8:38PM3.39m
9:01AM3.24m
9:30PM3.12m
9:59AM3.02m
10:41PM2.86m
Low Tide
11:58AM0.20m
00:21AM0.09m
12:31PM0.16m
00:54AM0.10m
1:05PM0.18m
1:28AM0.18m
1:42PM0.28m
2:05AM0.35m
2:24PM0.45m
2:48AM0.59m
3:13PM0.68m
3:41AM0.86m
4:17PM0.91m
4:53AM1.09m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:31
7:31
7:33
7:35
7:35
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:50
8:47
8:46
8:45
8:43
8:40
 mm
Temp °C
21
25
23
21
21
20
19
21
20
20
20
20
19
21
20
19
21
21
20
23
21
Feels °C
21
24
22
23
20
19
20
21
21
20
20
20
20
20
20
19
20
21
19
22
21
  • 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 Mundaka Surf forecast

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

Mundaka is 2 km (1 miles) from Bermeo. If you plan a holiday in Pais Vasco, look for hotels and other accommodation in Bermeo. Bermeo has rooms for a wide range of budgets as well as car hire and transport links.

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