Sao Lourenço surf break

Sao Lourenço surfForecast / Ericeira / Portugal

information circle12 Day Weather and Surf, issued 5 pm Tuesday 02 Dec 2025 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
16.4° 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 Wednesday (Dec 03) at 6AM. The primary swell is predicted to be 5.0m and 16s 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 4.5m 18s and forecast to arrive on Monday (Dec 08) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (WET) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 3rd Dec)16ft (5.0m) 16s
Best Surf 6AM (Wed 3rd Dec)16ft (5.0m) 16s
Most Powerful 9PM (Mon 8th Dec)15ft (4.5m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Tue night. Very mild (max 17°C on Fri morning, min 13°C on Tue night). Winds decreasing (strong winds from the NNW on Tue night, light winds from the WNW by Thu afternoon).

Days 3-6 Weather Summary Some drizzle, heaviest during Fri afternoon. Very mild (max 18°C on Sat morning, min 13°C on Sun night). Wind will be generally light.

Tue
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
!
0
0
0
!
!
!
!
!
4
5
3
7
!
!
Swell
Height Map
Wave Height (m) & direction (?)
4
NW
5.5
NW
5
NW
4.5
NW
4
NW
3.5
NW
3.5
NW
3.5
NW
4.5
NW
4.5
NW
4
NW
4
NW
4.5
NW
4
NW
3.5
WNW
3
WNW
3
WNW
3
WNW
3
WNW
5
WNW
5
WNW
Period(s) (?)141416151514131315181614141614131312201817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)66411193911876986766445072373943368892130057544560274547938473731723110232562401401212989
Wind
(km/h)
30
WNW
45
NNW
25
NW
20
WNW
25
W
25
NW
15
WNW
25
WSW
25
W
25
WSW
20
WSW
15
SW
15
WSW
10
S
15
SSE
15
S
15
SE
20
ESE
20
SSE
30
SSE
35
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
ononcross-
on
oncross-
on
cross-
on
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:36AM
2.82
12:58PM
2.89
1:24AM
2.99
1:49PM
2.96
2:12AM
3.10
2:40PM
2.97
2:59AM
3.15
3:30PM
2.90
3:48AM
3.12
4:20PM
2.77
4:38AM
3.03
5:12PM
2.61
5:30AM
2.88
Low Tide
/ height (m)
6:19PM
0.23
6:45AM
0.23
7:09PM
0.13
7:36AM
0.07
7:56PM
0.08
8:26AM
-0.03
8:44PM
0.09
9:16AM
-0.04
9:31PM
0.16
10:07AM
0.03
10:18PM
0.27
10:59AM
0.16
11:08PM
0.42
11:54AM
0.33
Tue
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Sunrise--7:37--7:39--7:39--7:41--7:41--7:43--7:43
Sunset5:15--5:15--5:15--5:15--5:15--5:15--5:15--
rain showers
rain showers
part cloud
cloud
rain showers
part cloud
part cloud
rain showers
rain showers
light rain
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
light rain
Rain (mm)
17--2--411----------2
Temp. °C151415151515161617171718181615161515161517
Feels °C (?)94910111113141414151515141214131112911
  • Map Icons:
  • Break
  • 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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