Cave Surf Break

Cave Surf Forecast and Surf Report

Lat Long: 38.99° N 9.42° W

Issued: 6 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cave sea temperature is
19.5° C

Normal for this time of year

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


Cave surf forecast from 30 Jun 2026:

  • Best quality surf: Wednesday 1 Jul, 1AM (local time) - 8ft (2.5m), 9s period, NNW swell with cross-shore winds.
  • Most powerful swell: Thursday 2 Jul, 4AM (local time) - 8ft (2.5m), 10s period, NNW swell with 1,242 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 1 Jul, 1AM (local time) - 8ft (2.5m), 9s period with NNW swell.

Best Forecast Surf Conditions for Cave this week:

The surf forecast for Cave over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 01) at 1AM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 0.6m and 13s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Cave in the next 16 days are 2.5m 10s and forecast to arrive on Thursday (Jul 02) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jul 03) at 7AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Wed 1st Jul)8ft (2.5m) 9s
Best Surf 1AM (Wed 1st Jul)8ft (2.5m) 9s
Most Powerful 4AM (Thu 2nd Jul)8ft (2.5m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 33°C on Thu morning, min 16°C on Tue night). Winds decreasing (fresh winds from the N on Tue afternoon, light winds from the SSE by Fri morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 32°C on Sun morning, min 21°C on Sun night). Wind will be generally light.

Tue
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
!
!
!
2
!
!
0
2
2
1
2
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
NNW
10
2.5
NNW
9
2.2
NNW
9
1.7
NW
10
2.4
NNW
10
2.4
NNW
9
2.1
NNW
9
1.9
NNW
8
1.7
NNW
9
1.4
NNW
8
0.7
NW
11
0.9
NNW
9
0.8
NNW
7
0.8
NNW
6
0.4
NW
11
0.5
NW
10
0.4
NNW
10
0.4
WNW
10
0.4
WNW
9
0.3
WNW
9
0.3
WNW
8
Wave Graph
Metric surfscale
Energy kJ
1159
1022
767
615
1035
990
697
492
423
226
126
129
67
48
31
54
36
31
27
15
13
Wind (km/h)
30
N
30
N
20
N
25
NNW
15
NNW
15
NNE
30
N
15
NNE
10
SSE
15
NNW
10
N
10
N
15
NW
15
N
15
N
25
NNW
15
NNE
15
N
20
NNW
15
NNE
20
N
Wind State
cross
cross
cross
cross
cross
cross-off
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
cross
cross
cross-on
cross-off
cross
cross
cross-off
cross
High Tide
4:21AM2.49m
4:36PM2.74m
4:56AM2.48m
5:11PM2.74m
5:31AM2.45m
5:46PM2.72m
6:07AM2.42m
6:22PM2.67m
6:45AM2.37m
7:00PM2.60m
7:28AM2.33m
7:44PM2.52m
8:18AM2.30m
Low Tide
10:13PM0.44m
10:18AM0.49m
10:49PM0.43m
10:53AM0.48m
11:25PM0.44m
11:27AM0.49m
00:01AM0.46m
12:03PM0.53m
00:38AM0.50m
12:41PM0.60m
1:18AM0.54m
1:25PM0.67m
2:03AM0.59m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:15
6:16
6:16
6:16
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:07
9:07
9:07
9:07
9:06
9:06
9:06
9:06
 mm
Temp °C
20
17
22
22
25
33
33
29
30
28
25
31
29
23
32
29
23
29
27
25
30
Feels °C
17
13
20
20
22
28
26
24
28
25
23
29
27
22
29
26
21
25
23
21
25
Swell 1
Height (m)
Direction
Period (s)
0.6
NW
13
2.2
NNW
9
1.7
NW
10
2.4
NNW
10
2.4
NNW
9
0.1
S
17
1.9
NNW
8
1.7
NNW
9
1.4
NNW
8
0.7
NW
11
0.9
NNW
9
0.8
NNW
7
0.4
WNW
10
0.5
NNW
6
0.5
NW
10
0.4
NNW
10
0.4
WNW
10
0.4
WNW
9
0.3
WNW
9
0.3
NNW
6
Energy kJ
113
767
615
1035
990
6
492
423
226
126
129
67
38
22
54
36
31
27
15
6
Swell 2
Height (m)
Direction
Period (s)
1.4
NW
11
0.1
S
18
0.1
S
16
0.3
SE
3
0.7
NW
12
0.7
WNW
11
0.5
WNW
10
0.2
N
8
0.4
WNW
9
0.4
WNW
9
0.3
NNW
6
0.4
NNW
6
0.3
NW
9
0.2
NNW
6
0.3
WNW
8
Energy kJ
479
6
5
1
142
99
56
6
28
27
8
13
12
3
13
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.3
S
4
0.1
SW
15
0.1
S
5
0.2
NNW
12
0.4
NW
11
0.1
S
12
0.3
WNW
9
0.4
NW
9
0.1
N
8
0.2
NNW
8
0.2
NNW
8
Energy kJ
5
3
8
1
15
31
3
16
21
1
7
7
Wind waves
Height (m)
Direction
Period (s)
2.5
NNW
10
2.5
NNW
9
1.7
NNW
9
2.1
NNW
9
1
NNW
7
0.4
NW
3
0.8
NNW
6
0.5
NNW
6
0.4
NW
3
0.4
NW
6
0.3
NW
3
Energy kJ
1159
1022
453
697
111
2
48
21
3
8
1
Nearest Offshore or Glassy
Rating
(10 max)
1
4
2
2
2
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Distance (km)
222
125
33
224
35
20
35
0
0
189
0
18
189
36
33
404
13
36
468
138
556
Best forecast wave conditions in Ericeira
Rating
(10 max)
2
2
2
Best forecast wave conditions in Portugal
Rating
(10 max)
2
4
3
2
4
3
3
2
2
2
2
2
1
1
2
2
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
9
7
5
7
5
6
6
4
5
6
9
7
9
7
5
6
7
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Cave Surf forecast

The above surf forecast table for Cave provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cave can be found by selecting the local surf guide option on the grey menu. Our Cave 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 (Cave) 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 Cave 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 Cave, camping, hotels and holiday cottages in Ericeira, consider staying in Torres Vedras which is 18 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 21 km (13 miles) away, Rio de Mouro, Cacem and Loures.

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