Surf Forecast: Cascais Coastline and Costa da Caparica (June 16–22, 2025)
According to the Portuguese Institute for Sea and Atmosphere (IPMA), the Lisbon region is under a yellow weather alert due to high temperatures, with maximums expected to reach up to 34°C in Cascais. Prevailing winds will come from the north quadrant and are expected to intensify during the afternoons, which may impact surf conditions — especially at more exposed beaches.
5/8/20242 min read
Wave Forecast
Costa da Caparica
Monday (16/06):
Swell between 1.5 m and 1.8 m with a 10-second period, coming from the northwest. Crosswinds may affect wave shape.
Tuesday (17/06):
Waves between 1.2 m and 1.5 m, 9-second period. Moderate north/northwest winds.
Wednesday (18/06):
Waves ranging from 1.0 m to 1.3 m, 8-second period. Light morning winds increasing in the afternoon.
Thursday (19/06):
Swell between 1.2 m and 1.5 m, 9-second period. Moderate north/northwest winds.
Friday (20/06):
Waves between 1.5 m and 1.8 m, 10-second period. Crosswinds may make wave formation more difficult.
Saturday (21/06):
Swell between 1.2 m and 1.5 m, 9-second period. North winds.
Sunday (22/06):
Waves between 1.0 m and 1.3 m, 8-second period. Light morning winds increasing in the afternoon.
Cascais Coastline
Monday (16/06):
Swell between 1.0 m and 1.2 m, 9-second period from the northwest. Light morning winds increasing in the afternoon.
Tuesday (17/06):
Waves between 0.8 m and 1.0 m, 8-second period. Moderate north/northwest winds.
Wednesday (18/06):
Waves ranging from 0.7 m to 0.9 m, 7-second period. Light morning winds increasing in the afternoon.
Thursday (19/06):
Swell between 0.9 m and 1.1 m, 8-second period. Moderate north/northwest winds.
Friday (20/06):
Waves between 1.0 m and 1.2 m, 9-second period. Crosswinds may impact wave quality.
Saturday (21/06):
Swell between 0.8 m and 1.0 m, 8-second period. Moderate north winds.
Sunday (22/06):
Waves between 0.7 m and 0.9 m, 7-second period. Light morning winds increasing in the afternoon.
Best Surf Times
Costa da Caparica:
Best conditions expected in the early morning before the wind picks up.Cascais Coastline:
Due to lower wind exposure, Cascais beaches may offer good conditions throughout the day — especially at more sheltered spots like Praia da Rainha and Praia da Conceição.
Surfer Tips
Gear:
A 3/2 mm wetsuit is recommended for cooler morning sessions.Safety:
Keep an eye on tide and current conditions, especially on beaches with shifting sandbars.Respect:
Follow local priority rules and respect fellow surfers in the lineup.