Costa Nova surfForecast / Beira / Portugal

information circle16 Day Weather and Surf, issued 12 am Thursday 07 May 2026 WEST
Forecast update in hr  min  s Forecast update imminent
Costa Nova surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Costa Nova sea temperature is
16.8° C
(Which is 1.4°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Costa Nova this week:

The surf forecast for Costa Nova over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (May 07) at 10AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.5m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Costa Nova in the next 16 days are 3.0m 10s and forecast to arrive on Saturday (May 09) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 4s period and expected on Saturday (May 09) at 10AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Thu 7th May)3.5ft (1.0m) 6s
Best Surf10PM (Sat 9th May)10ft (3.0m) 10s
Most Powerful 7PM (Sat 9th May)10ft (3.0m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 18°C on Sat morning, min 12°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the SSE by Sat morning).

Days 4-6 Weather Summary

Moderate rain (total 14mm), heaviest on Sun morning. Very mild (max 19°C on Mon morning, min 13°C on Sat night). Winds decreasing (fresh winds from the SSW on Sun morning, calm by Mon night).

Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
0
0
1
1
0
3
0
0
2
2
1
2
2
0
1
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1
NNW
6
0.9
NNW
9
0.9
NW
8
0.6
NNW
8
0.4
WNW
14
1.3
SW
7
1.7
SW
8
3
SW
10
2.5
SW
9
2
SW
8
2.2
SW
8
1.9
SW
8
1.6
SW
7
1.5
WSW
7
0.9
NNW
11
0.8
NNW
10
0.9
SW
7
0.6
NNW
8
0.5
NNW
8
0.6
NNW
9
1.8
NNW
6
Wave Graph
Metric surfscale
Energy kJ
82
138
95
42
65
156
362
1891
1055
489
531
424
277
250
180
109
77
53
32
64
244
Wind (km/h)
5
SSW
15
WNW
5
S
15
S
10
W
20
SE
35
SSE
30
SSW
20
SSE
30
S
30
SSW
20
SE
20
SSE
10
WSW
10
SE
5
SSE
15
W
5
ESE
5
SSW
15
WNW
20
N
glassy
on
glassy
cross
on
cross-off
cross-off
cross-on
cross-off
cross
cross-on
cross-off
cross-off
cross-on
cross-off
cross-off
on
glassy
cross-on
on
cross
High Tide
7:08AM2.55m
7:25PM2.65m
8:02AM2.44m
8:25PM2.55m
9:22AM2.37m
9:50PM2.51m
10:51AM2.40m
11:12PM2.57m
12:00PM2.51m
00:16AM2.69m
12:54PM2.67m
1:09AM2.85m
1:40PM2.84m
1:56AM3.01m
Low Tide
1:10PM1.33m
1:47AM1.34m
2:03PM1.44m
2:47AM1.42m
3:07PM1.52m
3:56AM1.44m
4:19PM1.51m
5:07AM1.37m
5:29PM1.42m
6:10AM1.24m
6:29PM1.27m
7:04AM1.08m
7:22PM1.10m
clear
part cloud
cloud
clear
part cloud
part cloud
light rain
thunderstorm
rain showers
thunderstorm
clear
clear
clear
thunderstorm
rain showers
cloud
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
6:22
6:22
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:36
8:37
8:37
8:38
8:39
8:40
8:42
2
2
3
9
1
1
Temp °C
14
15
14
16
16
15
18
17
16
16
16
15
19
18
16
17
16
16
16
16
15
14
12
13
12
13
14
12
11
12
10
10
12
15
16
15
14
14
16
14
13
12
Swell 1
Height (m)
Direction
Period (s)
1
NNW
6
0.9
NNW
9
0.9
NW
8
0.6
NNW
8
0.5
NW
8
1.3
SW
7
1.7
SW
8
0.8
NNW
12
0.7
WNW
11
0.7
WNW
11
0.7
NNW
12
1
NNW
11
1.6
SW
7
1.5
WSW
7
1.2
WSW
7
1
SW
7
0.9
SW
7
0.7
SW
6
0.5
NNW
8
0.6
NNW
9
0.3
SW
6
Energy kJ
82
138
95
39
28
156
362
190
121
119
119
265
277
250
131
104
77
41
32
64
5
Swell 2
Height (m)
Direction
Period (s)
0.5
NW
10
0.1
W
8
0.1
W
16
0.3
WNW
15
0.5
SW
4
0.5
W
13
0.7
NNW
12
0.6
WNW
12
0.7
NNW
11
0.5
NNW
11
0.5
W
10
0.3
WNW
10
1
NNW
11
0.9
NNW
11
0.9
NNW
11
0.8
NNW
10
0.7
NNW
9
0.6
NNW
8
0.4
SW
6
0.4
SW
6
0.1
SW
14
Energy kJ
45
1
5
42
8
87
136
107
111
65
51
19
222
190
180
109
73
53
13
12
8
Swell 3
Height (m)
Direction
Period (s)
0.2
W
8
0.1
SW
15
0.1
W
8
0.1
N
11
0.4
WNW
14
0.4
NW
7
0.6
WNW
12
0.4
NW
11
0.4
NW
12
0.7
W
8
0.1
SW
18
0.1
SW
17
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.2
NNW
10
0.1
SW
14
0.1
W
11
Energy kJ
5
8
1
2
65
14
113
33
34
63
12
12
10
10
10
10
8
2
Wind waves
Height (m)
Direction
Period (s)
0.7
NW
6
0.3
S
2
1.2
SSE
4
3
SW
10
2.5
SW
9
2
SW
8
2.2
SW
8
1.9
SW
8
0.5
SE
4
0.3
WSW
3
1.8
NNW
6
Energy kJ
41
1
54
1891
1055
489
531
424
6
1
244
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
3
1
3
2
3
2
2
1
2
2
1
1
1
1
2
Distance (km)
0
222
0
5
298
32
224
230
147
233
224
40
48
218
0
0
218
0
20
132
154
Best forecast wave conditions in Beira
Rating
(10 max)
1
1
1
1
3
2
2
2
1
1
Best forecast wave conditions in Portugal
Rating
(10 max)
1
1
1
2
2
4
4
4
3
4
3
4
4
2
2
4
1
3
1
2
Header Global
Rating
(10 max)
5
7
6
6
6
5
5
5
5
4
6
9
5
5
4
5
9
5
5
5
7
  • 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 Costa Nova Surf forecast

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

Costa Nova is 8 km (5 miles) from the city of Ilhavo. If you plan a holiday in Beira, look for hotels and other accommodation in Ilhavo. Ilhavo has rooms for a wide range of budgets as well as car hire and transport links.

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