Surf Forecasts:
Islares surf forecast from 21 Jun 2026:
- Best quality surf: Saturday 27 Jun, 8PM (local time) - 2.5ft (0.7m), 10s period, NW swell with glassy winds.
- Most powerful swell: Saturday 27 Jun, 8PM (local time) - 2.5ft (0.7m), 10s period, NW swell with 96 kJ wave energy.
- Next surfable swell (1★+): Saturday 27 Jun, 8PM (local time) - 2.5ft (0.7m), 10s period with NW swell.
Best Forecast Surf Conditions for Islares this week:
The surf forecast for Islares over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 27) at 8PM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.2m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Islares in the next 16 days are 0.7m 10s and forecast to arrive on Saturday (Jun 27) at 8PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Thursday (Jun 25) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 27th Jun) | 2.5ft (0.7m) 10s |
| Best Surf | 8PM (Sat 27th Jun) | 2.5ft (0.7m) 10s |
| Most Powerful | 8PM (Sat 27th Jun) | 2.5ft (0.7m) 10s |
Table - best surf conditions forecast for Islares over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 37°C on Mon afternoon, min 22°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Fri night. Warm (max 37°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NNW 8 | NNW 8 | NW 8 | NW 8 | NNW 7 | NNW 4 | ENE 4 | NE 4 | NW 7 | NW 7 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 4 | NW 11 | NW 4 | NW 10 | NW 10 | NW 9 | NW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 6 | 10 | 9 | 5 | 2 | 5 | 3 | 2 | 2 | 0 | 22 | 12 | 5 | 4 | 41 | 1 | 0 | 76 | 85 | 64 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | cross-on | cross-on | glassy | on | cross-on | cross | cross-on | cross-on | glassy | cross-on |
High Tide | 10:50PM3.24m | 11:29AM2.91m | 11:52PM3.05m | 12:31PM2.85m | 00:55AM2.92m | 1:32PM2.86m | 1:57AM2.87m | 2:28PM2.92m | 2:52AM2.90m | 3:17PM3.02m | 3:41AM2.96m | 4:00PM3.13m | 4:24AM3.05m | ||||||||
Low Tide | 4:22PM0.80m | 5:06AM0.75m | 5:24PM0.95m | 6:05AM0.89m | 6:29PM1.03m | 7:04AM0.97m | 7:32PM1.05m | 7:59AM0.99m | 8:29PM1.00m | 8:50AM0.96m | 9:20PM0.90m | 9:36AM0.89m | 10:05PM0.79m | 10:19AM0.80m | |||||||
 |  | | |  | | | | | | | | | |  |  |  | |  | | | |
 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 |
 | — | 9:57 | — | — | 9:57 | — | — | 9:57 | — | — | 9:57 | — | — | 9:57 | — | — | 9:57 | — | — | 9:58 | 9:57 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 1 | — | — |
Temp °C | 36 | 34 | 32 | 37 | 29 | 32 | 34 | 33 | 35 | 37 | 27 | 24 | 25 | 21 | 20 | 20 | 18 | 18 | 19 | 19 | 20 |
Feels °C | 35 | 35 | 31 | 35 | 29 | 31 | 32 | 34 | 34 | 35 | 27 | 26 | 26 | 23 | 22 | 22 | 18 | 19 | 20 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NE 4 | NW 8 | NW 8 | NW 4 | NNW 4 | NW 7 | NW 7 | NE 4 | NE 4 | NW 5 | NW 5 | NW 5 | NW 5 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 |
| kJ | 6 | 2 | 10 | 9 | 3 | 1 | 2 | 2 | 3 | 3 | 11 | 22 | 12 | 5 | 31 | 41 | 25 | 47 | 76 | 85 | 64 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | NNW 8 | WNW 4 | — | NNW 7 | NW 7 | NW 10 | NW 9 | NW 7 | NW 7 | NE 4 | W 8 | NW 10 | NW 12 | NNW 4 | — | NNE 5 | NNE 6 | — | NNE 4 | NNE 4 |
| kJ | 6 | 6 | 1 | — | 5 | 2 | 4 | 3 | 2 | 2 | 1 | 1 | 4 | 5 | 4 | — | 2 | 10 | — | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 4 | W 9 | W 9 | W 9 | W 9 | W 10 | NW 10 | NW 9 | — | — | NW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 2 | 2 | 4 | 3 | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | W 7 | — | NE 4 | — | — | ENE 4 | NE 4 | — | — | — | — | — | — | — | N 4 | — | — | NNE 5 | — | — |
| kJ | 2 | 9 | — | 2 | — | — | 5 | 3 | — | — | — | — | — | — | — | 3 | — | — | 5 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 154 | 389 | 405 | 472 | 389 | 389 | 400 | 177 | 412 | 584 | 741 | 402 | 470 | 26 | 27 | 51 | 1 | 19 | 19 | 0 | 17 |
Best forecast wave conditions in Spain - Cantabria | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Islares 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 Islares Surf forecast
The above surf forecast table for Islares provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Islares can be found by selecting the local surf guide option on the grey menu. Our Islares 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 (Islares) 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 Islares 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.
Islares is 8 km (5 miles) from Castro-Urdiales. If you plan a holiday in Spain - Cantabria, look for hotels and other accommodation in Castro-Urdiales. Castro-Urdiales has rooms for a wide range of budgets as well as car hire and transport links.
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