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Surf Forecasts:
Castelejo surfForecast / Algarve / Portugal
16 Day Weather and Surf, issued 12 am Sunday 17 May 2026 WESTForecast update in hr min s Forecast update imminent
Castelejo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castelejo sea temperature is
17.0° C
(Which is slightly cooler than normal)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 Wednesday (May 20) at 7AM. The primary swell is predicted to be 1.5m and 14s period with a secondary swell of 1.5m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castelejo in the next 16 days are 2.2m 14s and forecast to arrive on Wednesday (May 20) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Thursday (May 21) at 10AM.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 20th May) | 5ft (1.5m) 14s |
| Best Surf | 7AM (Wed 20th May) | 5ft (1.5m) 14s |
| Most Powerful | 10AM (Wed 20th May) | 7ft (2.2m) 14s |
Table - best surf conditions forecast for Castelejo over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Tue morning, min 14°C on Sat night). Winds decreasing (strong winds from the NNW on Sat night, light winds from the N by Tue morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Wed afternoon, min 17°C on Tue night). Winds increasing (light winds from the ENE on Tue night, near gales from the ESE by Fri morning). | ||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NNW 9 | NNW 8 | NW 15 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | |
331 | 184 | 309 | 509 | 911 | 699 | 371 | 261 | 507 | 1941 | 1597 | 967 | 722 | 492 | 478 | 683 | 614 | 503 | 415 | 444 | 308 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | off | cross-off | cross-on | |
High Tide | 3:30PM3.05m | 3:57AM2.92m | 4:17PM3.04m | 4:48AM2.81m | 5:07PM2.97m | 5:41AM2.64m | 6:01PM2.84m | 6:39AM2.44m | 7:00PM2.69m | 7:44AM2.28m | 8:06PM2.55m | 8:54AM2.17m | 9:16PM2.45m | ||||||||
Low Tide | 9:15AM0.04m | 9:42PM-0.03m | 10:00AM0.10m | 10:32PM0.01m | 10:48AM0.21m | 11:25PM0.12m | 11:39AM0.37m | 00:23AM0.28m | 12:34PM0.54m | 1:27AM0.45m | 1:38PM0.70m | 2:39AM0.58m | 2:50PM0.81m | 3:52AM0.64m | |||||||
 | |  | | |  | | | | | | | | | | | | | | | | |
 | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:39 | — | — | 8:40 | — | — | 8:42 | — | — | 8:43 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 15 | 15 | 15 | 18 | 18 | 20 | 23 | 24 | 22 | 22 | 23 | 20 | 21 | 22 | 21 | 20 | 21 | 18 |
11 | 12 | 9 | 11 | 10 | 10 | 15 | 15 | 17 | 19 | 20 | 19 | 15 | 17 | 16 | 12 | 16 | 19 | 17 | 20 | 15 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | NW 16 | NW 15 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 14 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
 kJ | 17 | 42 | 309 | 509 | 911 | 699 | 371 | 261 | 507 | 1941 | 1597 | 967 | 722 | 492 | 478 | 683 | 614 | 503 | 415 | 444 | 308 |
Swell 2 Height (m) Direction Period (s) | NW 18 | WNW 12 | NW 11 | NW 7 | SW 16 | SW 16 | SW 16 | WNW 15 | WNW 16 | SW 14 | SW 14 | SE 7 | SE 8 | SW 13 | SE 8 | SW 14 | SW 14 | SE 8 | SE 8 | SE 8 | SE 7 |
| kJ | 12 | 14 | 30 | 84 | 10 | 10 | 10 | 21 | 104 | 8 | 8 | 23 | 129 | 7 | 132 | 8 | 8 | 136 | 80 | 60 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | S 18 | SW 18 | — | — | W 16 | SW 15 | WNW 13 | — | — | SW 14 | SW 13 | S 16 | SW 13 | — | — | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | — | — | 6 | 12 | — | — | 5 | 9 | 60 | — | — | 8 | 7 | 5 | 7 | — | — | 8 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 8 | NNW 6 | NNW 6 | — | NNW 5 | — | NNW 4 | — | — | ESE 3 | ESE 7 | ESE 8 | SE 8 | ESE 8 | SE 6 | SE 8 | — | — | — | NNW 6 |
| kJ | 331 | 184 | 176 | 52 | — | 37 | — | 9 | — | — | 4 | 117 | 587 | 169 | 538 | 317 | 273 | — | — | — | 111 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 511 | 243 | 20 | 9 | 624 | 65 | 9 | 9 | 9 | 0 | 0 | 9 | 29 | 29 | 18 | 115 | 29 | 9 | 0 | 0 | 9 |
Best forecast wave conditions in The Algarve | |||||||||||||||||||||
Best forecast wave conditions in Portugal | |||||||||||||||||||||
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 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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