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Surf Forecasts:
Mundaka surf forecast from 28 Aug 2026:
- Best quality surf: Saturday 29 Aug, 2AM (local time) - 7ft (2.2m), 10s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 29 Aug, 2AM (local time) - 7ft (2.2m), 10s period, NW swell with 910 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 11PM (local time) - 5ft (1.6m), 10s 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 Friday (Aug 28) at 11PM. The primary swell is predicted to be 1.6m and 10s period. 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 2.2m 10s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 28th Aug) | 5ft (1.6m) 10s |
| Best Surf | 2AM (Sat 29th Aug) | 7ft (2.2m) 10s |
| Most Powerful | 2AM (Sat 29th Aug) | 7ft (2.2m) 10s |
Table - best surf conditions forecast for Mundaka over the next 16 days.
The Lowdown
Alright, Rusty here, looking at the Basque surf forecast for Mundaka. Over the next 16 days, it’s a tale of two worlds: a couple of unreal mornings, then a whole lot of quiet. Water temp is 75°F, which is about 5°F warmer than usual for late August – you’ll be fine in a spring suit or just trunks.
The real deal is Saturday, August 29th, first light. We’ve got 5ft of NW swell with a 9-second interval, and the wind is glassy out of the south. Dead calm. That’s your session. The wave energy is moderate at 397, but the conditions will make it look like a point break postcard. It’s an expert wave, and the crowd factor is real, so bring your patience. This is the one to circle.
Sunday the 30th, morning again, is your backup. Still 5ft from the NW, but the period bumps up to 10 seconds, giving the swell a bit more grunt – combined energy at 442. Glassy wind from the west-northwest. Almost as good as Saturday, but Saturday just edges it for that pure glass.
After that, things get sketchy. Monday the 31st and Tuesday the 1st still have 4 to 5ft of swell, but the wind switches onshore or cross-onshore, making it lumpy and marginal. From Wednesday the 2nd through the 10th, the swell drops to 2ft to 3ft, with poor wind. There’s a big gap of flat, messy days. Not worth the drive.
On Thursday, September 10th, the afternoon throws up a 7ft pulse from the west-northwest, but with a short, steep 6-second period and onshore wind. That’s a washing machine – only for the gnarliest locals on a big board.
The second week is gutless. Swell sits below 3ft, wind is messy, and the combined energy is in the low double-digits. That’s flat spell territory.
So, keep your eyes on that Saturday morning, August 29th. That’s your best shot. The rest of the month is a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 17°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Tue morning. Warm (max 21°C on Mon afternoon, min 16°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 10 | NW 9 | NW 9 | WNW 9 | NW 10 | NW 9 | NW 8 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 289 | 910 | 397 | 275 | 247 | 442 | 325 | 250 | 432 | 509 | 425 | 296 | 309 | 176 | 115 | 78 | 40 | 61 | 39 | 84 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | on | off | glassy | cross-on | glassy | cross-on | on | on | on | on | on | on | on | glassy | glassy | cross-on | cross-off |
High Tide | 5:41PM3.75m | 5:59AM3.57m | 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 | |||||||
Low Tide | 11:50PM0.16m | 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 | |||||||
 |  |  | |  | | | |  | | |  | | | | | | | | | |
 | — | — | 7:30 | — | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — |
 | 8:53 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 21 | 24 | 22 | 21 | 22 | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 20 | 18 | 21 | 21 |
Feels °C | 21 | 20 | 21 | 23 | 21 | 23 | 21 | 22 | 20 | 22 | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 10 | NW 9 | NW 9 | WNW 9 | NW 10 | NW 9 | NW 8 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 8 | NW 8 |
| kJ | 289 | 910 | 397 | 275 | 247 | 442 | 325 | 250 | 432 | 509 | 425 | 296 | 309 | 176 | 115 | 78 | 40 | 61 | 39 | 84 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 10 | — | — | NE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 2 | 0 | 0 | 60 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 269 | 0 |
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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