Surf Forecasts:
Islares surf forecast from 5 Nov 2026:
- Best quality surf: Friday 20 Nov, 7PM (local time) - 5ft (1.6m), 16s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 21 Nov, 1AM (local time) - 6ft (1.9m), 16s period, NW swell with 1,764 kJ wave energy.
- Next surfable swell (1★+): Thursday 5 Nov, 1PM (local time) - 1.5ft (0.5m), 14s 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 Thursday (Nov 05) at 1PM. The primary swell is predicted to be 0.5m and 14s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Islares in the next 16 days are 1.9m 16s and forecast to arrive on Saturday (Nov 21) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 10s period and expected on Monday (Nov 16) at 7PM.
| Wave Type | Time (CET) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 5th Nov) | 1.5ft (0.5m) 14s |
| Best Surf | 7PM (Fri 20th Nov) | 5ft (1.6m) 16s |
| Most Powerful | 1AM (Sat 21st Nov) | 6ft (1.9m) 16s |
Table - best surf conditions forecast for Islares over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Fri afternoon, min 10°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Mon afternoon, min 14°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | |||||||||||||||
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 14 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NNW 10 | NW 10 | NW 9 | NW 10 | N 14 | N 13 | WNW 14 | NW 12 | WNW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 91 | 108 | 96 | 68 | 43 | 40 | 36 | 16 | 30 | 19 | 18 | 10 | 4 | 3 | 4 | 4 | 3 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | on | cross-off | off | cross | cross-off | off | glassy | off | off | cross-off | off | off | off | off | off | cross-off | off | off | off | cross-off |
High Tide | 1:44PM3.37m | 2:15AM3.29m | 2:31PM3.48m | 2:55AM3.45m | 3:11PM3.55m | 3:32AM3.56m | 3:48PM3.57m | 4:05AM3.62m | 4:23PM3.55m | 4:37AM3.62m | 4:56PM3.48m | 5:09AM3.57m | 5:30PM3.37m | ||||||||
Low Tide | 7:53PM0.50m | 8:10AM0.57m | 8:35PM0.39m | 8:52AM0.42m | 9:12PM0.32m | 9:30AM0.32m | 9:47PM0.30m | 10:06AM0.27m | 10:21PM0.33m | 10:42AM0.28m | 10:55PM0.40m | 11:17AM0.36m | 11:29PM0.52m | ||||||||
 | |  | |  |  | | | |  | |  | | | | | | | | | | |
 | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — |
 | — | 6:00 | — | — | 5:58 | — | — | 5:57 | — | — | 5:55 | — | — | 5:54 | — | — | 5:53 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 11 | 15 | 16 | 12 | 15 | 16 | 15 | 18 | 20 | 16 | 20 | 23 | 19 | 20 | 23 | 19 | 22 | 22 | 19 |
Feels °C | 12 | 12 | 9 | 12 | 13 | 9 | 13 | 14 | 13 | 15 | 17 | 12 | 16 | 20 | 15 | 17 | 20 | 16 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NNW 10 | NW 10 | NW 9 | NW 10 | N 14 | — | WNW 14 | NW 12 | WNW 12 | NW 12 |
| kJ | 91 | 108 | 96 | 68 | 43 | 40 | 36 | 16 | 30 | 19 | 18 | 10 | 4 | 3 | 4 | 4 | — | 18 | 40 | 56 | 77 |
Swell 2 Height (m) Direction Period (s) | NNE 5 | NW 6 | N 6 | — | — | — | — | NNW 12 | NW 10 | — | — | — | — | — | — | — | N 13 | W 9 | — | — | — |
| kJ | 2 | 1 | 2 | — | — | — | — | 14 | 14 | — | — | — | — | — | — | — | 3 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 5 | — | — | NE 4 | — | — | — | — | — | — | SSE 3 | SSE 3 | SE 4 | SE 3 | SSE 4 | SW 3 | S 3 | SSW 3 | SW 4 | S 3 |
| kJ | — | 2 | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 3 | 3 | 2 | 1 | 1 | 3 | 6 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 27 | 0 | 0 | 26 | 1 | 17 | 17 | 1 | 27 | 27 | 357 | 355 | 355 | 363 | 298 | 208 | 27 | 14 | 1 | 1 |
Best forecast wave conditions in Spain - Cantabria | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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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