Surf Forecasts:
Castelejo surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 10AM (local time) - 6ft (1.9m), 9s period, NW swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 10PM (local time) - 8ft (2.5m), 8s period, NNW swell with 1,003 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 10AM (local time) - 6ft (1.9m), 9s period with NW swell.
Best Forecast Surf Conditions for Castelejo this week:
The surf forecast for Castelejo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 10AM. The primary swell is predicted to be 1.9m and 9s period with a secondary swell of 0.1m and 15s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Castelejo in the next 16 days are 2.5m 8s and forecast to arrive on Saturday (Aug 15) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 18) at 4PM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Mon 17th Aug) | 6ft (1.9m) 9s |
| Best Surf | 10AM (Mon 17th Aug) | 6ft (1.9m) 9s |
| Most Powerful | 10PM (Sat 15th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Castelejo over the next 16 days.
Short Range ForecastMostly dry. Warm (max 25°C on Thu morning, min 19°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Mon afternoon, min 19°C on Fri night). Winds decreasing (strong winds from the NNW on Sat night, calm by Mon morning). | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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 6 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NNW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NNW 9 | NW 9 | NNW 9 | NW 9 | NW 8 | NNW 8 | NNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 46 | 125 | 153 | 163 | 132 | 186 | 136 | 141 | 316 | 515 | 617 | 924 | 823 | 673 | 905 | 586 | 440 | 309 | 288 | 217 | 147 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | glassy | cross | cross-on | glassy | cross | cross-on |
High Tide | 2:58PM3.11m | 3:26AM2.85m | 3:42PM3.20m | 4:08AM2.88m | 4:23PM3.20m | 4:47AM2.85m | 5:03PM3.09m | 5:26AM2.76m | 5:42PM2.90m | 6:04AM2.62m | 6:21PM2.65m | 6:42AM2.45m | 7:02PM2.39m | ||||||||
Low Tide | 8:42AM0.18m | 9:17PM-0.05m | 9:25AM0.08m | 9:59PM-0.10m | 10:06AM0.04m | 10:38PM-0.06m | 10:45AM0.09m | 11:15PM0.06m | 11:23AM0.21m | 11:51PM0.24m | 12:02PM0.38m | 00:27AM0.46m | 12:42PM0.58m | 1:05AM0.69m | |||||||
 | |  | | | | | | |  | |  | | | | | | | | | | |
 | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 8:30 | — | — | 8:30 | — | — | 8:29 | — | — | 8:28 | — | — | 8:27 | — | — | 8:24 | — | — | 8:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 22 | 25 | 22 | 21 | 22 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 22 | 22 | 25 | 25 | 23 |
Feels °C | 22 | 21 | 20 | 24 | 21 | 19 | 19 | 18 | 15 | 17 | 17 | 14 | 21 | 20 | 19 | 23 | 24 | 22 | 26 | 26 | 23 |
Swell 1 Height (m) Direction Period (s) | NW 6 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NW 8 | S 18 | S 18 | SW 16 | NW 9 | SW 16 | SW 15 | NW 9 | NNW 9 | NW 9 | NW 8 | NNW 8 | NNW 8 |
| kJ | 44 | 125 | 153 | 163 | 132 | 186 | 136 | 141 | 142 | 6 | 6 | 10 | 823 | 9 | 8 | 586 | 440 | 309 | 288 | 217 | 147 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | NW 10 | NNW 9 | NNW 9 | NW 12 | — | ESE 5 | — | — | — | — | — | SW 16 | S 15 | S 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | WNW 9 |
| kJ | 46 | 23 | 16 | 9 | 36 | — | 3 | — | — | — | — | — | 10 | 5 | 4 | 8 | 10 | 10 | 10 | 9 | 7 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | — | — | NW 9 | NNW 9 | — | — | — | — | — | — | — | — | — | — | S 18 | S 13 | SW 13 | — | S 9 | SW 14 |
| kJ | 40 | — | — | 3 | 8 | — | — | — | — | — | — | — | — | — | — | 6 | 4 | 7 | — | 2 | 8 |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NW 8 | NW 8 | NW 9 | — | NW 9 | NNW 9 | — | — | — | — | SE 3 | — |
| kJ | — | 29 | 66 | 41 | 44 | 136 | 91 | 87 | 316 | 515 | 617 | 924 | — | 673 | 905 | — | — | — | — | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 65 | 9 | 20 | 9 | 9 | 65 | 65 | 307 | 65 | 532 | 214 | 381 | 11 | 11 | 9 | 0 | 731 | 9 | 0 | 577 | 9 |
Best forecast wave conditions in The Algarve | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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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 Castelejo 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 Castelejo Surf forecast
The above surf forecast table for Castelejo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castelejo can be found by selecting the local surf guide option on the grey menu. Our Castelejo 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 (Castelejo) 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 Castelejo 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.
Castelejo is 25 km (16 miles) from Lagos. If you plan a holiday in The Algarve, look for hotels and other accommodation in Lagos. Lagos has rooms for a wide range of budgets as well as car hire and transport links.
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