Praia de São Lourenço sea temperature
Sea-surface temperature for Praia de São Lourenço, Portugal, with the 7-day outlook and what to wear.
What is the sea temperature at Praia de São Lourenço today? (3 Sept)
The sea at Praia de São Lourenço is 24.4 °C today. Warm enough to go without neoprene for a normal session. The sea and the air are within a degree or so of each other.
Praia de São Lourenço sea temperature — next 7 days
Sea temperature is essentially flat across the week — open water changes temperature slowly, so it rarely moves much in seven days.
| Date | Sea temp | Range | Suggested wetsuit |
|---|---|---|---|
| Thu 3 Septtoday | 24.5 °C | 24.3–24.7 °C | Boardshorts or swimsuit |
| Fri 4 Sept | 24.7 °C | 24.5–24.9 °C | Boardshorts or swimsuit |
| Sat 5 Sept | 24.6 °C | 24.5–24.7 °C | Boardshorts or swimsuit |
| Sun 6 Sept | 24.6 °C | 24.5–24.6 °C | Boardshorts or swimsuit |
| Mon 7 Sept | 24.6 °C | 24.6–24.7 °C | Boardshorts or swimsuit |
| Tue 8 Sept | 24.7 °C | 24.7–24.8 °C | Boardshorts or swimsuit |
| Wed 9 Sept | 24.6 °C | 24.6–24.7 °C | Boardshorts or swimsuit |
Figures are modelled sea-surface temperature, not readings from a buoy or a thermometer in the shallows — expect a degree either way, and more in a shallow bay on a hot afternoon. Wetsuit suggestions are general guidance: cold tolerance varies a lot between people, and wind, session length and air temperature matter as much as the water does.
What wetsuit for what sea temperature?
| Sea temperature | Wetsuit | Extras |
|---|---|---|
| 24 °C and abovePraia de São Lourenço today | Boardshorts or swimsuit | — |
| 22–24 °C | Rash vest or 1 mm top | — |
| 19–22 °C | 2 mm shorty or spring suit | — |
| 17–19 °C | 3/2 mm full suit | — |
| 14–17 °C | 4/3 mm full suit | boots on longer sessions |
| 11–14 °C | 5/4 mm full suit | boots and gloves |
| 7–11 °C | 5/4/3 mm hooded full suit | boots and gloves |
| Below 7 °C | 6/5 mm hooded full suit | thick boots and gloves |
Conditions at Praia de São Lourenço
Water temperature is one input. For wave height, wind and a 0–100 score per sport and ability level, see the full forecast.
Frequently asked questions.
What is the sea temperature at Praia de São Lourenço today?
The sea at Praia de São Lourenço, Portugal is 24.4 °C today. This is modelled sea-surface temperature rather than a buoy reading, so allow a degree either way.
What wetsuit do I need at Praia de São Lourenço?
At 24.4 °C, boardshorts or swimsuit is the usual choice at Praia de São Lourenço. Warm enough to go without neoprene for a normal session. Cold tolerance varies, and wind and session length matter as much as the water temperature.
Is the sea warm enough to swim at Praia de São Lourenço?
At 24.4 °C the sea at Praia de São Lourenço is comfortable for swimming without neoprene for most people.
How much does the sea temperature at Praia de São Lourenço change over a week?
Over the next 7 days the sea at Praia de São Lourenço stays between 24.3 °C and 24.9 °C. Open water changes temperature slowly, so it rarely moves much inside a week — seasonal change is what matters.

