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Surf Forecasts:
Mundaka surf forecast from 16 Aug 2026:
- Best quality surf: Thursday 20 Aug, 8AM (local time) - 2.5ft (0.8m), 11s period, NW swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 8AM (local time) - 5ft (1.5m), 11s period, NNW swell with 511 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 8AM (local time) - 2.5ft (0.8m), 11s 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 Thursday (Aug 20) at 8AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.4m and 6s. 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 1.5m 11s and forecast to arrive on Friday (Aug 21) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 20th Aug) | 2.5ft (0.8m) 11s |
| Best Surf | 8AM (Thu 20th Aug) | 2.5ft (0.8m) 11s |
| Most Powerful | 8AM (Fri 21st Aug) | 5ft (1.5m) 11s |
Table - best surf conditions forecast for Mundaka over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what the next couple of weeks are serving up.
Honestly, it’s a bit of a slow burn to start. The first week or so is pretty flat and messy, with a lot of small, weak, onshore slop. We’re looking at a real dry spell from now until around the 23rd of August, with barely a wave worth paddling for. The water’s running at 76°F, which is about 5°F warmer than usual for this time of year – that’s noticeably warm, you’ll feel it.
The only real standout in the whole run hits on Monday the 24th of August. Mundaka finally wakes up. Early morning we’ve got a solid 7ft swell from the WNW, with a period of 8 seconds. The combined energy is moderate at 559, but the wind is a light cross-offshore from the WSW, keeping things clean. This is the pick of the forecast – proper, rideable waves at a world-class river mouth. It’s an expert spot, so don’t be a kook if you’re not up to it. The wave direction lines up nicely with the optimum from the NW, and it’s a consistent break, but expect crowds – it’s Mundaka after all.
Later that same afternoon (Monday 24th), the swell jumps up to 12ft from the WNW, but the wind cranks to a 22 mph cross-off from the SW. That’s a lot of raw power (combined energy of 1409) but the wind will make it tricky. That size is for experts only – too big for anyone else. Tuesday the 25th has another 7ft pulse early with a moderate cross-off, but conditions are marginal.
After that, it drops away again into small, weak, and choppy conditions right through to the end of the month. There’s a little bump on the 29th with 2ft from the NW and clean cross-off wind, but it’s ordinary at best.
So, bottom line: if you’re keen, pencil in Monday the 24th of August for dawn patrol at Mundaka. Before that, you’re better off waxing your board and waiting.
- Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 18°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Warm (max 23°C on Wed afternoon, min 18°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 6 | NW 7 | NNW 6 | NNW 8 | NW 8 | N 5 | NNW 4 | N 5 | NW 12 | NW 11 | NW 10 | NNW 11 | NNW 10 | NNW 10 | NW 9 | NW 9 | NW 8 | NNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 78 | 73 | 46 | 31 | 53 | 34 | 45 | 31 | 15 | 7 | 8 | 73 | 140 | 163 | 466 | 386 | 320 | 211 | 132 | 86 | 58 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-off | cross-on | on | glassy | glassy | cross-on | glassy | glassy | on | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on |
High Tide | 7:56PM3.78m | 8:16AM3.45m | 8:33PM3.49m | 8:53AM3.24m | 9:13PM3.17m | 9:33AM3.00m | 9:57PM2.85m | 10:21AM2.77m | 10:55PM2.59m | 11:31AM2.59m | 00:25AM2.45m | 1:08PM2.56m | 2:01AM2.50m | ||||||||
Low Tide | 1:36PM0.16m | 2:03AM0.23m | 2:16PM0.37m | 2:40AM0.51m | 2:57PM0.64m | 3:20AM0.81m | 3:43PM0.93m | 4:07AM1.10m | 4:39PM1.19m | 5:07AM1.33m | 5:56PM1.36m | 6:31AM1.44m | 7:27PM1.36m | ||||||||
 |  |  | | | | | | | | |  | | |  |  | |  |  | | | |
 | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | — | 9:13 | — | — | 9:10 | — | — | 9:09 | — | — | 9:07 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 1 | 2 | — | 1 |
Temp °C | 22 | 23 | 22 | 21 | 23 | 22 | 21 | 23 | 22 | 20 | 23 | 22 | 21 | 23 | 21 | 19 | 21 | 21 | 19 | 20 | 20 |
Feels °C | 24 | 25 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 25 | 24 | 22 | 23 | 21 | 19 | 21 | 21 | 17 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NW 6 | NW 7 | NNW 6 | NNW 8 | NW 8 | N 5 | NNW 4 | WNW 8 | NW 12 | NW 11 | NW 10 | NNW 11 | NNW 10 | NNW 10 | NW 9 | NW 9 | NW 8 | NNW 8 |
| kJ | 78 | 73 | 46 | 31 | 53 | 34 | 45 | 31 | 15 | 7 | 6 | 73 | 140 | 163 | 466 | 386 | 320 | 211 | 132 | 86 | 58 |
Swell 2 Height (m) Direction Period (s) | — | — | NNW 7 | NW 8 | — | NW 8 | — | N 6 | NW 7 | WNW 8 | NW 7 | NNW 5 | NNW 6 | NNE 4 | — | NE 4 | — | — | W 11 | WNW 8 | WNW 10 |
| kJ | — | — | 30 | 21 | — | 15 | — | 19 | 7 | 6 | 2 | 5 | 12 | 2 | — | 7 | — | — | 2 | 7 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 10 | — | — | WNW 8 | NW 7 | NW 11 | NNW 7 | — | — | — | — | — | — | — | W 11 | WNW 10 |
| kJ | — | — | — | — | — | 4 | — | — | 6 | 2 | 5 | 4 | — | — | — | — | — | — | — | 2 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 5 | — | — | — | — | — | — | — | — | NE 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 23 | 2 | 4 | 24 | 109 | 3 | 3 | 109 | 506 | 501 | 404 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 22 | 2 | 2 |
Best forecast wave conditions in Pais Vasco | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mundaka surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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