The Reef surf break

The Reef surfForecast / Ericeira / Portugal

information circle12 Day Weather and Surf, issued 11 am Monday 08 Dec 2025 WET
Forecast update in hr  min  s Forecast update imminent
The Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Reef sea temperature is
15.9° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for The Reef this week:

The surf forecast for The Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 08) at 6PM. The primary swell is predicted to be 5.0m and 18s period with a secondary swell of 1.4m and 6s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at The Reef in the next 12 days are 5.5m 19s and forecast to arrive on Saturday (Dec 13) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Friday (Dec 12) at 9AM.

Wave TypeTime (WET) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 8th Dec)16ft (5.0m) 18s
Best Surf 6PM (Mon 8th Dec)16ft (5.0m) 18s
Most Powerful12AM (Sat 13th Dec)18ft (5.5m) 19s

Table - best surf conditions forecast for The Reef over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 22mm), heaviest during Tue morning. Very mild (max 17°C on Mon night, min 12°C on Wed night). Winds decreasing (strong winds from the S on Tue morning, calm by Wed night).

Days 3-6 Weather Summary Heavy rain (total 46mm), heaviest during Fri morning. Very mild (max 15°C on Thu afternoon, min 10°C on Fri night). Winds increasing (light winds from the S on Thu morning, strong winds from the N by Fri morning).

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
0
0
0
6
3
4
2
5
4
2
2
0
5
!
!
7
8
5
4
4
Swell
Height Map
Wave Height (m) & direction (?)
3
WNW
4
WNW
5
WNW
4
WNW
4.5
W
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3
WNW
2.5
WNW
2.5
WNW
1.9
NW
3
WNW
5.5
NW
5.5
NW
5
NW
4.5
NW
3.5
NW
2.5
NW
2.5
NW
Period(s) (?)121917161614131313131313171519171615141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)243412845142778438106964717404336114397336520212220214745212239818456141318210418622701854
Wind
(km/h)
30
SSE
35
S
40
S
40
S
15
NW
15
WNW
15
N
20
NNW
10
NNE
10
S
15
SSW
25
S
45
N
30
NNE
35
NNE
30
NNE
30
N
20
NNE
15
NE
10
NE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscrosscross-
on
oncrosscross-
on
cross-
off
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glass
High Tide
/ height (m)
5:12PM
2.61
5:30AM
2.88
6:06PM
2.43
6:25AM
2.71
7:04PM
2.27
7:24AM
2.53
8:08PM
2.16
8:27AM
2.38
9:14PM
2.13
9:33AM
2.29
10:17PM
2.16
10:35AM
2.25
11:13PM
2.24
Low Tide
/ height (m)
10:59AM
0.16
11:08PM
0.42
11:54AM
0.33
12:00AM
0.58
12:52PM
0.51
12:58AM
0.74
1:54PM
0.66
2:03AM
0.87
2:58PM
0.75
3:14AM
0.93
4:01PM
0.79
4:22AM
0.92
4:56PM
0.78
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Sunrise7:43--7:43--7:43--7:45--7:46--7:47--7:48--
Sunset-5:15--5:15--5:15--5:15--5:15--5:15--5:15-
part cloud
part cloud
part cloud
mod rain
mod rain
rain showers
rain showers
clear
clear
part cloud
cloud
heavy rain
heavy rain
light rain
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
Rain (mm)
---10741----113131------
Temp. °C161617171616151514141514111111131312131514
Feels °C (?)101011101414121111111211353777101314
  • 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 The Reef Surf forecast

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

The Reef is 15 km (9 miles) from the city of Sintra. If you plan a holiday in Ericeira, look for hotels and other accommodation in Sintra. Sintra has rooms for a wide range of budgets as well as car hire and transport links.

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