Praia da Duquesa

Long sandy beach. Connect with local outfitter https://www.swim-together.com/open-water-swim-school for coaching and swims

Cascais, Lisbon, Portugal View on map
Water Temperature: 60.5 ℉
Wave height: 5.2 feet
Wind Speed: 8.9 mph
Wave Period: 4.5 sec
Air Temperature: 63 ℉
Wave Direction: North West
Wind Direction: North
Cloud Cover: Sunny/Clear

Swim Forecast

Days High Air Temperature Wind Speed Wind Direction Wave Direction Water High Temperature
Mon 14 July temp 67 ℉ 20 mph temp North temp North West 63℉
Tue 15 July temp 67 ℉ 20 mph temp North temp North West 61℉
Wed 16 July temp 67 ℉ 18 mph temp North temp North West 62℉
Thu 17 July temp 66 ℉ 18 mph temp North temp North North West 62℉
Fri 18 July temp 66 ℉ 16 mph temp North North West temp North West 63℉

Tide Chart

Tide Time Zone (Europe/Lisbon) Height
High Tide 02:04 AM ( Thu 10 July) 0.8 m ( 2.6 feet)
Low Tide 08:01 AM ( Thu 10 July) -1 m ( -3.3 feet)
High Tide 02:18 PM ( Thu 10 July) 1.2 m ( 3.9 feet)
Low Tide 08:33 PM ( Thu 10 July) -1.1 m ( -3.6 feet)
Tide Time Zone (Europe/Lisbon) Height
15 July 2025
High Tide 02:04 AM (Thu 10 July) 0.8 m()
Low Tide 08:01 AM (Thu 10 July) -1 m()
High Tide 02:18 PM (Thu 10 July) 1.2 m()
Low Tide 08:33 PM (Thu 10 July) -1.1 m()
16 July 2025
High Tide 02:42 AM (Fri 11 July) 0.9 m()
Low Tide 08:38 AM (Fri 11 July) -1.1 m()
High Tide 02:56 PM (Fri 11 July) 1.3 m()
Low Tide 09:10 PM (Fri 11 July) -1.2 m()
17 July 2025
High Tide 03:20 AM (Sat 12 July) 1 m()
Low Tide 09:15 AM (Sat 12 July) -1.1 m()
High Tide 03:33 PM (Sat 12 July) 1.3 m()
Low Tide 09:47 PM (Sat 12 July) -1.3 m()
18 July 2025
High Tide 03:58 AM (Sun 13 July) 1 m()
Low Tide 09:53 AM (Sun 13 July) -1.2 m()
High Tide 04:12 PM (Sun 13 July) 1.4 m()
Low Tide 10:26 PM (Sun 13 July) -1.3 m()
19 July 2025
High Tide 04:38 AM (Mon 14 July) 1.1 m()
Low Tide 10:32 AM (Mon 14 July) -1.2 m()
High Tide 04:53 PM (Mon 14 July) 1.3 m()
Low Tide 11:07 PM (Mon 14 July) -1.3 m()
15 July 2025
High Tide 05:20 AM (Tue 15 July) 1 m()
Low Tide 11:15 AM (Tue 15 July) -1.1 m()
High Tide 05:36 PM (Tue 15 July) 1.3 m()
Low Tide 11:51 PM (Tue 15 July) -1.2 m()
15 July 2025
High Tide 06:06 AM (Wed 16 July) 1 m()
Low Tide 12:02 PM (Wed 16 July) -1 m()
High Tide 06:24 PM (Wed 16 July) 1.2 m()
15 July 2025
Low Tide 12:40 AM (Thu 17 July) -1.1 m()
High Tide 06:57 AM (Thu 17 July) 0.9 m()
Low Tide 12:55 PM (Thu 17 July) -0.9 m()
High Tide 07:19 PM (Thu 17 July) 1 m()
15 July 2025
Low Tide 01:36 AM (Fri 18 July) -1 m()
High Tide 07:56 AM (Fri 18 July) 0.8 m()
Low Tide 01:58 PM (Fri 18 July) -0.8 m()
High Tide 08:22 PM (Fri 18 July) 0.9 m()
15 July 2025
Low Tide 02:40 AM (Sat 19 July) -0.9 m()
High Tide 09:03 AM (Sat 19 July) 0.8 m()
Low Tide 03:14 PM (Sat 19 July) -0.8 m()
High Tide 09:36 PM (Sat 19 July) 0.8 m()