Mundaka Surf Break

Lat Long: 43.42° N 2.70° W

Mundaka Surf Forecast and Surf Report

Issued: 7 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mundaka sea temperature is
24.3°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 24 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 8AM (local time) - 5.5ft (1.7m), 9s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Friday 28 Aug, 8PM (local time) - 8ft (2.5m), 10s period, NW swell with 1,151 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 26 Aug, 8AM (local time) - 2.5ft (0.7m), 7s period with WNW 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 Wednesday (Aug 26) at 8AM. The primary swell is predicted to be 0.7m and 7s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mundaka in the next 16 days are 2.5m 10s and forecast to arrive on Friday (Aug 28) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Friday (Aug 28) at 5AM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 26th Aug)2.5ft (0.7m) 7s
Best Surf 8AM (Sat 29th Aug)5.5ft (1.7m) 9s
Most Powerful 8PM (Fri 28th Aug)8ft (2.5m) 10s

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


The Lowdown

Right then. Rusty here, with the look ahead for Mundaka. It’s a bit of a slow start, but there’s a couple of windows that are gonna have you checking your calendar. Let’s get into it.

First up, the early part of this week is a write-off. We’ve got tiny, weak swell with poor conditions through Monday and Tuesday. The energy is non-existent, barely registering on the scale (combined energy of all swells directed here is just 14). It’s not worth paddling out for.

Wednesday the 27th morning sees a slight lift. A clean 4ft swell from the NW with a cross-off SW wind at 15 mph. The energy is still weak (187), but the surface is clean. Still, it’s not exactly setting the world on fire. Thursday afternoon the 28th picks up a bit more, with a 4ft NW swell and clean cross-off winds, but the energy is only moderate (267). It’s surfable, but you’re not missing much.

Friday the 29th morning is where it gets a little interesting. A clean 5ft NW swell, with light WSW cross-off winds at 6 mph. The energy is moderate (357). It’s the best of the first week, but only just.

Then we hit the real standout. Monday the 31st of August morning. The forecast shows a clean 5ft NW swell with glassy conditions – that’s a major positive. The wind is virtually nothing, just a slight air from the WNW. The energy is moderate (288) and the waves will be clean. This is the one to aim for in the near term.

After that, the window closes again. Tuesday 1st September is a write-off with onshore winds. Wednesday 2nd September morning is glassy but the swell drops to 3ft (energy 138) – surfable but very ordinary. The rest of the first week of September is a mess of strong cross-shore winds and lumpy conditions.

The second week brings a promising but less certain call. Look at Monday 7th September morning. A clean 5ft NW swell coming in from the NW with a light ESE cross-off breeze at 9 mph. The energy is strong (531). That’s a solid, clean option.

But the real jewel in the crown is Tuesday 8th September morning. This is the one. A glassy 4ft NW swell, with a period of 18 seconds. That’s very long-period groundswell. The energy is exceptional (1801). It’s an excellent forecast for experienced surfers. The long period will mean it handles the river mouth perfectly, with long, clean lines. The key caveat is that this is over a week away, so keep an eye on the charts, but this has the potential to be the session of the month.

The rest of the second week fades out with smaller, choppier conditions.

So, to sum it up: the first week is a write-off until Monday 31st. The second week has a promising clean day on the 7th, and a potential world-class glassy morning on the 8th. The 8th is the standout. Get your schedule ready for that one.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 29°C on Mon afternoon, min 20°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the WNW by Wed afternoon).

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Warm (max 27°C on Thu afternoon, min 18°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SW by Thu night).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
NNE
5
0.4
NNE
5
0.4
NNE
5
0.3
N
5
0.1
NW
13
0.2
NNW
12
0.4
NW
11
0.7
WNW
7
0.4
NW
9
0.8
NW
5
1.2
NW
8
1.3
WNW
9
0.8
WNW
9
1.4
WNW
8
2
WNW
11
2
WNW
8
1.5
NW
9
1.5
NW
9
1.4
NW
9
Wave Graph
Metric surfscale
Energy kJ
21
10
9
4
7
14
30
44
22
26
187
267
99
273
920
581
357
351
287
Wind (km/h)
20
ESE
15
SSW
15
NNW
15
SSW
5
WSW
15
N
10
ESE
10
ESE
35
WNW
5
SE
20
SSW
30
SW
30
SW
20
W
25
NW
20
W
10
WSW
15
NNE
10
SE
Wind State
cross-off
cross-off
cross-on
off
cross-off
on
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-off
cross-off
cross-on
cross-off
High Tide
3:06AM2.67m
3:23PM2.93m
3:50AM2.89m
4:04PM3.17m
4:25AM3.10m
4:38PM3.40m
4:58AM3.29m
5:10PM3.60m
5:29AM3.45m
5:41PM3.75m
5:59AM3.57m
6:12PM3.83m
Low Tide
8:39PM1.20m
8:57AM1.17m
9:31PM0.97m
9:42AM0.93m
10:11PM0.72m
10:20AM0.69m
10:45PM0.49m
10:54AM0.48m
11:18PM0.30m
11:26AM0.31m
11:50PM0.16m
11:58AM0.20m
00:21AM0.09m
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
rain showers
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:26
7:26
7:28
7:28
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:01
9:00
8:59
8:57
8:54
8:53
8:52
 mm
1
1
Temp °C
24
26
29
25
23
24
22
23
28
20
24
27
24
22
22
22
20
22
21
Feels °C
26
25
29
25
23
23
23
22
27
20
19
23
19
19
17
20
19
21
20
  • 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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