Surf Forecasts:
Mundaka surf forecast from 6 Aug 2026:
- Best quality surf: Friday 7 Aug, 2AM (local time) - 2.5ft (0.8m), 7s period, NNW swell with glassy winds.
- Most powerful swell: Thursday 6 Aug, 8AM (local time) - 3ft (0.9m), 8s period, NW swell with 118 kJ wave energy.
- Next surfable swell (1★+): Friday 7 Aug, 2AM (local time) - 2.5ft (0.8m), 7s period with NNW 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 Friday (Aug 07) at 2AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.2m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mundaka in the next 16 days are 0.9m 8s and forecast to arrive on Thursday (Aug 06) 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+) | 2AM (Fri 7th Aug) | 2.5ft (0.8m) 7s |
| Best Surf | 2AM (Fri 7th Aug) | 2.5ft (0.8m) 7s |
| Most Powerful | 8AM (Thu 6th Aug) | 3ft (0.9m) 8s |
Table - best surf conditions forecast for Mundaka over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cookin’ for the Mundaka stretch.
Right off the bat, I gotta be straight with you – the next week and a half is gonna be a tough watch. We’ve got a long, dry spell of flat, weak energy. For the first five days, the combined energy of all swells directed here sits at a measly 99 (Thursday 6th August) and drops even lower, with tiny waves maxing out around 3 ft. The wind is mostly cross-onshore, chopping things up, so it’s a hard pass. Even the glassy mornings on Friday 7th and Saturday 8th only have 2 ft and 1 ft of swell – not enough grunt for the river mouth to work its magic.
Things stay quiet through the 12th, 13th, and 14th. There’s a glimmer on Tuesday 11th August morning with some glassy conditions and a whisper of 2 ft swell, but it’s still very ordinary. This is a long, quiet gap with no real surf to get excited about.
Then, around Monday 17th August, we start to see a pulse. The glassy morning brings a 5 ft swell from the WNW, with a combined energy of 263 – that’s moderate energy, but the period is a short 7 seconds, so it’ll be a bit crumbly. Still, it’s the first time we’ve had anything rideable. The standout, however, is the following day. Tuesday 18th August morning sees a solid 8 ft swell from the WNW, with a short period of 8 seconds. The combined energy jumps to 787 (strong wave energy). But here’s the rub: the wind is cross-onshore, chopping it up, and with that size, it’s only for the experts. The tide and conditions are described as marginal, so it’s a gamble. The afternoon is similar, with a 7 ft swell from the NW, but still cross-onshore.
If you’re an expert and you’re desperate, the window of Monday 17th August morning through Tuesday 18th has the most size. The water temperature is about average for the time of year at Mundaka, which is a comfort. But honestly, for a spot like this that fires on a proper NW groundswell, this is a frustrating run of short-period, onshore junk. The consistent nature of Mundaka means it tends not to stay poor for long, but this forecast is a tough one. The setup looks more interesting for the kite surfers than paddle surfers on the bigger days with the cross-onshore wind.
So, keep your expectations low, and if you’re planning a trip, maybe wait for the next forecast update.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 17°C on Fri morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun night. Warm (max 24°C on Sun afternoon, min 18°C on Tue morning). Wind will be generally light. | ||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 5 | NNW 5 | NW 11 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 97 | 95 | 70 | 33 | 29 | 27 | 10 | 9 | 20 | 50 | 77 | 67 | 67 | 85 | 95 | 72 | 75 | 58 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | glassy | on | cross-off | glassy | cross-on | cross-off | cross | on | cross | cross | on | glassy | glassy | cross-on | glassy |
High Tide | 9:52PM3.17m | 10:24AM3.00m | 10:56PM2.99m | 11:35AM2.91m | 00:19AM2.88m | 1:02PM2.94m | 1:50AM2.94m | 2:24PM3.13m | 3:05AM3.14m | 3:30PM3.42m | 4:05AM3.38m | 4:24PM3.72m | 4:55AM3.58m | ||||||
Low Tide | 4:09AM0.78m | 4:37PM0.90m | 5:14AM0.95m | 5:53PM0.99m | 6:34AM1.02m | 7:20PM0.93m | 7:56AM0.93m | 8:38PM0.71m | 9:04AM0.72m | 9:41PM0.42m | 10:01AM0.46m | 10:35PM0.15m | |||||||
 |  | |  |  | | | | |  | | |  | | | | | | | |
 | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — |
 | 9:28 | — | — | 9:27 | — | — | 9:25 | — | — | 9:23 | — | — | 9:22 | — | — | 9:22 | — | — | 9:20 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 21 | 20 | 21 | 20 | 19 | 22 | 22 | 21 | 24 | 23 | 22 | 24 | 21 | 20 | 22 | 22 | 20 | 23 | 22 |
Feels °C | 21 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 24 | 22 | 23 | 24 | 21 | 20 | 23 | 23 | 22 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 9 | NW 8 |
| kJ | 86 | 97 | 95 | 70 | 33 | 29 | 27 | 10 | 9 | 8 | 50 | 77 | 67 | 67 | 85 | 95 | 72 | 75 | 58 |
Swell 2 Height (m) Direction Period (s) | — | — | W 10 | WNW 10 | NNE 5 | NW 9 | NW 9 | NW 9 | W 9 | NW 11 | NNW 5 | W 8 | W 8 | — | N 14 | NNW 11 | NW 10 | N 6 | N 4 |
| kJ | — | — | 2 | 10 | 5 | 3 | 3 | 3 | 2 | 20 | 9 | 1 | 1 | — | 4 | 12 | 27 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 9 | — | — | W 9 | NW 10 | NNW 6 | — | — | W 8 | — | — | — | — | W 10 | W 12 |
| kJ | — | — | — | — | 3 | — | — | 2 | 4 | 4 | — | — | 1 | — | — | — | — | 2 | 3 |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NE 3 | — | — | NNE 5 | — | — | — | — | — | NW 3 | NW 3 | NW 3 | NW 3 | — | — | — | — |
| kJ | — | 2 | 3 | — | — | 5 | — | — | — | — | — | 5 | 4 | 3 | 3 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 0 | 3 | 454 | 60 | 627 | 526 | 75 | 71 | 2 | 4 | 4 | 2 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Pais Vasco | |||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||
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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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