Sao Lourenço surf break

Sao Lourenço surfForecast / Ericeira / Portugal

information circle12 Day Weather and Surf, issued 5 am Wednesday 18 Feb 2026 WET
Forecast update in hr  min  s Forecast update imminent
Sao Lourenço surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sao Lourenço sea temperature is
14.0° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Sao Lourenço this week:

The surf forecast for Sao Lourenço over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Feb 19) at 6AM. The primary swell is predicted to be 4.0m and 13s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Sao Lourenço in the next 12 days are 4.0m 17s and forecast to arrive on Tuesday (Feb 24) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 12s period and expected on Wednesday (Feb 18) at 12PM.

Wave TypeTime (WET) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 19th Feb)13ft (4.0m) 13s
Best Surf 6AM (Thu 19th Feb)13ft (4.0m) 13s
Most Powerful 9PM (Tue 24th Feb)13ft (4.0m) 17s

Table - best surf conditions forecast for Sao Lourenço over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Wed afternoon. Very mild (max 14°C on Wed morning, min 8°C on Fri morning). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the ENE by Fri night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Sat morning). Wind will be generally light.

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
!
!
3
4
1
4
6
6
5
4
3
4
4
3
4
2
3
0
Swell
Height Map
Wave Height (m) & direction (?)
2.1
WNW
2.5
WNW
3.5
NW
3.5
NW
3.5
NW
3
NNW
2.5
NNW
2.4
NNW
1.8
WNW
3
WNW
3
WNW
3
WNW
2.4
WNW
2.3
WNW
2.2
WNW
2.2
WNW
2.1
WNW
2.1
WNW
1.8
WNW
2.4
WNW
4
WNW
Period(s) (?)111213121214141319171615141413131313132016
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10681846428437693079400526621834243245884944334823421933172514911430132399644438053
Wind
(km/h)
30
SSW
30
WNW
30
NW
25
N
20
N
20
N
20
NNE
25
N
15
NNE
10
ENE
10
NNE
10
ENE
10
E
5
N
10
ENE
10
ESE
15
SSW
15
SSE
15
S
20
WSW
25
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
crosscross-
off
offcross-
off
offoffcrosscross-
off
cross-
off
crosscross-
off
crosscross-
on
cross-
on
High Tide
/ height (m)
3:25PM
2.83
3:38AM
3.12
3:59PM
2.87
4:12AM
3.10
4:34PM
2.86
4:49AM
3.01
5:12PM
2.78
5:29AM
2.84
5:54PM
2.65
6:16AM
2.62
6:44PM
2.48
7:15AM
2.37
7:50PM
2.32
Low Tide
/ height (m)
9:18AM
0.06
9:24PM
0.12
9:51AM
0.01
9:58PM
0.10
10:25AM
0.03
10:34PM
0.15
11:01AM
0.13
11:14PM
0.26
11:40AM
0.29
11:59PM
0.42
12:26PM
0.51
12:54AM
0.62
1:24PM
0.74
2:09AM
0.80
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise7:26--7:24--7:22--7:22--7:20--7:18--7:18--
Sunset-6:16--6:17--6:19--6:21--6:22--6:22--6:23-
cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
mod rain
Rain (mm)
-1------------------8
Temp. °C141413131210101212141817161818171815151412
Feels °C (?)99677656912161515171715151213117
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Sao Lourenço Surf forecast

The above surf forecast table for Sao Lourenço provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sao Lourenço can be found by selecting the local surf guide option on the grey menu. Our Sao Lourenço 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 (Sao Lourenço) 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 Sao Lourenço 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.

Are you planning a holiday in Ericeira? If you are looking for accommodation near Sao Lourenço, camping, hotels and holiday cottages in Ericeira, consider staying in Torres Vedras which is 17 km (11 miles) away. Other places in and around Ericeira where you can find information about places to rent, and car hire include Sintra which is 24 km (15 miles) away, Rio de Mouro, Loures and Cacem.

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