Caxias Surf Break

Lat Long: 38.70° N 9.28° W

Caxias Surf Forecast and Surf Report

Issued: 6 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Caxias sea temperature is
20.8° C
0.0° 

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


Caxias surf forecast from 18 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 1AM (local time) - 5.5ft (1.7m), 7s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Sunday 23 Aug, 7AM (local time) - 8ft (2.5m), 9s period, NNW swell with 1,101 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 1AM (local time) - 5.5ft (1.7m), 7s period with NNW swell.

Best Forecast Surf Conditions for Caxias this week:

The surf forecast for Caxias over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 1AM. The primary swell is predicted to be 1.7m and 7s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Caxias in the next 16 days are 2.5m 9s and forecast to arrive on Sunday (Aug 23) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Aug 20) at 4PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 25th Aug)5.5ft (1.7m) 7s
Best Surf 1AM (Tue 25th Aug)5.5ft (1.7m) 7s
Most Powerful 7AM (Sun 23rd Aug)8ft (2.5m) 9s

Table - best surf conditions forecast for Caxias over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 25°C on Wed afternoon, min 18°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the NNW by Fri morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Fri afternoon, min 18°C on Fri night). Mainly fresh winds.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
1
0
1
1
0
0
1
2
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
NNW
8
1.2
NNW
8
0.9
NNW
7
0.9
NNW
7
0.8
NNW
6
0.6
WNW
9
0.5
WNW
9
1.8
NNW
7
2.1
NNW
8
2.3
NNW
10
2.4
NNW
7
2.4
NNW
8
2.4
NNW
8
2.4
NNW
8
2.5
NNW
9
2.1
NNW
8
2.2
NNW
8
2.4
NNW
9
2
NNW
8
1.7
NNW
7
Wave Graph
Metric surfscale
Energy kJ
237
159
94
72
50
62
44
362
491
981
603
727
707
763
1026
638
651
853
500
327
Wind (km/h)
15
SW
5
WNW
10
SSW
15
WSW
10
NW
5
W
25
NW
20
NNW
25
NNW
30
NNW
25
NNW
25
NNW
30
NNW
25
NNW
20
NW
25
NW
25
NW
25
NW
25
NW
15
NNW
Wind State
cross-on
glassy
on
cross-on
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:11PM2.36m
7:34AM2.24m
7:59PM2.11m
8:27AM2.07m
9:03PM1.91m
9:42AM1.96m
10:34PM1.82m
11:14AM1.96m
00:02AM1.88m
12:28PM2.09m
1:02AM2.02m
1:19PM2.27m
1:45AM2.19m
Low Tide
1:16AM0.67m
1:39PM0.78m
2:01AM0.89m
2:39PM0.97m
3:04AM1.06m
4:08PM1.07m
4:38AM1.12m
5:47PM1.03m
6:06AM1.04m
6:53PM0.89m
7:02AM0.88m
7:38PM0.71m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:54
6:56
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:28
8:27
8:24
8:23
8:22
8:21
8:20
 mm
Temp °C
24
22
24
25
22
25
24
19
22
22
18
22
21
19
21
21
19
22
22
19
Feels °C
25
24
24
25
23
25
22
15
18
17
15
18
17
16
18
18
17
18
18
17
  • 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 Caxias Surf forecast

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

Caxias is 1 km (1 miles) from Paco de Arcos. If you plan a holiday in Lisboa, look for hotels and other accommodation in Paco de Arcos. Paco de Arcos has rooms for a wide range of budgets as well as car hire and transport links.

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