Foz do Arelho Surf Break

Lat Long: 39.44° N 9.23° W

Foz do Arelho Surf Forecast and Surf Report

Issued: 12 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Foz do Arelho sea temperature is
16.0°C
4.0° 

Foz do Arelho surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Foz do Arelho surf forecast from 21 Sep 2026:

  • Best quality surf: Monday 21 Sep, 7AM (local time) - 4.5ft (1.3m), 10s period, NW swell with offshore winds.
  • Most powerful swell: Wednesday 23 Sep, 1PM (local time) - 6ft (1.8m), 14s period, WNW swell with 1,332 kJ wave energy.
  • Next surfable swell (1★+): Monday 21 Sep, 7AM (local time) - 4.5ft (1.3m), 10s period with NW swell.

Best Forecast Surf Conditions for Foz do Arelho this week:

The surf forecast for Foz do Arelho over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 7AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.8m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Foz do Arelho in the next 16 days are 1.8m 14s and forecast to arrive on Wednesday (Sep 23) at 1PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 21st Sep)4.5ft (1.3m) 10s
Best Surf 7AM (Mon 21st Sep)4.5ft (1.3m) 10s
Most Powerful 1PM (Wed 23rd Sep)6ft (1.8m) 14s

Table - best surf conditions forecast for Foz do Arelho over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 32°C on Mon morning, min 18°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Thu morning, min 17°C on Thu night). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
1
2
0
1
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
NW
13
1.4
NW
12
1.3
NW
11
1.2
NW
12
1.1
NW
12
0.9
WNW
17
1.6
WNW
15
1.7
WNW
14
1.6
WNW
13
1.4
NW
12
1.4
NW
12
1.3
NW
11
1.1
NW
11
1
NW
10
0.6
NW
17
1.6
NW
14
1.8
NW
14
1.8
NW
13
1.6
NW
12
1.7
NW
12
1.6
NW
11
Wave Graph
Metric surfscale
Energy kJ
723
570
437
389
338
437
1038
1127
875
617
570
418
263
208
238
1004
1135
974
723
786
585
Wind (km/h)
15
ESE
10
NNW
10
N
0
SW
15
NNW
15
N
10
N
15
NNW
5
NW
5
WSW
10
WNW
10
NNW
20
N
20
N
20
N
20
N
20
N
20
N
20
N
20
N
15
N
Wind State
off
on
cross-on
glassy
cross-on
cross-on
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:05PM2.10m
00:43AM2.02m
12:57PM2.29m
1:25AM2.21m
1:37PM2.50m
2:00AM2.41m
2:11PM2.70m
2:33AM2.60m
2:43PM2.86m
3:04AM2.76m
3:16PM2.98m
3:37AM2.87m
3:50PM3.04m
Low Tide
5:42AM1.11m
6:34PM0.93m
6:42AM0.92m
7:18PM0.72m
7:23AM0.72m
7:53PM0.51m
7:59AM0.52m
8:25PM0.32m
8:32AM0.34m
8:56PM0.16m
9:05AM0.19m
9:28PM0.04m
9:39AM0.09m
10:01PM-0.00m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:24
7:24
7:26
7:26
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:36
7:35
7:32
7:30
7:30
7:28
7:25
 mm
Temp °C
32
25
24
27
25
19
22
20
19
20
20
17
19
19
17
19
19
18
18
18
17
Feels °C
30
23
23
24
22
18
22
19
20
20
21
17
18
17
15
16
17
17
16
15
16
  • 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 Foz do Arelho Surf forecast

The above surf forecast table for Foz do Arelho provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Foz do Arelho can be found by selecting the local surf guide option on the grey menu. Our Foz do Arelho 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 (Foz do Arelho) 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 Foz do Arelho 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.

Foz do Arelho is 9 km (6 miles) from Caldad da Rainha. If you plan a holiday in Peniche, look for hotels and other accommodation in Caldad da Rainha. Caldad da Rainha has rooms for a wide range of budgets as well as car hire and transport links.

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