Furnas Surf Break

Lat Long: 38.90° N 9.44° W

Furnas 48 hour detailed Surf Forecast

Issued: 6 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Furnas sea temperature is
20.1° C
0.6° 

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


How big are the waves at Furnas today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 9s period with WNW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 8s period with NNW swell.

The current surf forecast for Furnas at 12AM is: 0.5m 10s primary swell from a West-northwest direction and 0.8m 6s secondary swell from a North-northwest direction (forecast issued at 06:00pm August 19). The wind direction is predicted to be cross-shore.

Time (WEST) & DateWave HeightWave Period
Morning (20 Aug)2ft (0.6m)9s
Afternoon (20 Aug)2ft (0.6m)9s
Evening (20 Aug)5.5ft (1.7m)8s

Table - waves today at Furnas. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed afternoon, min 18°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the N by Thu afternoon).

Wed
19
Thursday
20
Friday
21
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.9
NNW
7
0.9
NNW
7
0.5
WNW
10
0.8
NNW
6
0.5
WNW
9
0.6
WNW
9
0.6
WNW
9
0.6
WNW
9
0.6
WNW
9
1.5
NNW
7
1.9
NNW
8
1.7
NNW
7
1.6
NNW
7
1.6
NNW
7
2.1
NNW
11
2.1
NNW
10
2.1
NNW
10
2.1
NNW
10
2.1
NNW
10
Wave Graph
Metric surfscale
Energy kJ
68
64
54
50
47
64
62
61
59
250
393
310
272
235
1011
978
886
886
832
Wind (km/h)
10
WNW
10
NW
15
NNW
5
N
10
NW
10
NNW
15
NNW
20
NW
25
NNW
35
N
35
NNW
30
N
30
NNW
30
N
30
N
30
NNW
30
NNW
30
NNW
25
N
Wind State
cross-on
cross-on
cross-on
glassy
cross-on
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
8:02PM2.15m
8:31AM2.12m
9:06PM1.95m
9:45AM2.00m
Low Tide
1:44PM0.79m
2:05AM0.90m
2:43PM0.99m
3:08AM1.08m
4:12PM1.09m
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:25
8:24
 mm
Temp °C
22
22
21
20
20
20
21
22
21
20
19
19
18
18
19
20
20
19
18
Feels °C
23
23
22
22
21
21
21
21
19
16
14
15
14
15
15
16
16
15
14
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Furnas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest