Costa Nova surfForecast / Beira / Portugal

information circle16 Day Weather and Surf, issued 12 am Monday 04 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
16.6° C
(Which is 1.3°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 Wednesday (May 06) at 7AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.2m and 8s. Another secondary swell of 0.2m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Costa Nova in the next 16 days are 4.0m 10s and forecast to arrive on Monday (May 11) at 4AM. 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 (Wed 6th May)5ft (1.5m) 8s
Best Surf 7AM (Wed 6th May)5ft (1.5m) 8s
Most Powerful 4AM (Mon 11th May)13ft (4.0m) 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 7mm), mostly falling on Sun night. Very mild (max 15°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 20mm), heaviest during Sat morning. Very mild (max 17°C on Fri morning, min 11°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the SE by Sat morning).

Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
AM
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
1
0
0
1
0
0
0
0
1
1
0
0
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)
1.1
NW
10
1.1
NW
9
1.3
NW
9
1.5
NW
9
1.6
NW
8
1.7
NNW
8
1.4
NW
8
1.2
NW
8
1.1
NW
7
0.9
NW
6
0.5
NW
9
0.7
NW
8
0.7
NNW
8
0.3
NW
17
0.6
NW
14
0.9
NNW
12
0.9
NNW
12
0.9
NNW
11
2.3
W
8
2.4
W
8
2.5
W
10
Wave Graph
Metric surfscale
Energy kJ
240
216
249
326
381
374
268
173
122
54
42
70
55
47
169
233
207
200
682
724
1420
Wind (km/h)
10
NNW
20
NW
10
NW
15
NW
20
NW
20
N
10
N
25
NW
15
NNW
5
WNW
15
W
15
W
20
S
15
WSW
25
SSE
30
SE
25
SSW
30
WNW
20
WSW
20
SW
25
WSW
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
glassy
on
on
cross-off
cross-on
cross-off
cross-off
cross
on
on
cross-on
cross-on
High Tide
5:21AM2.90m
5:36PM2.98m
5:53AM2.80m
6:07PM2.88m
6:28AM2.67m
6:42PM2.77m
7:08AM2.55m
7:25PM2.65m
8:02AM2.44m
8:25PM2.55m
9:22AM2.37m
9:50PM2.51m
10:51AM2.40m
11:12PM2.57m
Low Tide
11:12AM0.99m
11:37PM1.01m
11:48AM1.09m
00:15AM1.11m
12:26PM1.20m
00:58AM1.23m
1:10PM1.33m
1:47AM1.34m
2:03PM1.44m
2:47AM1.42m
3:07PM1.52m
3:56AM1.44m
4:19PM1.51m
rain showers
clear
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
part cloud
light rain
light rain
rain showers
thunderstorm
rain showers
light rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:28
6:26
6:26
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:34
8:35
8:36
8:37
8:37
8:38
2
1
2
1
1
4
8
6
5
3
3
8
Temp °C
14
15
14
15
15
14
14
15
14
15
15
14
17
15
14
16
16
15
14
15
13
12
11
10
11
11
10
10
10
10
12
12
14
13
13
10
10
12
9
10
10
8
Swell 1
Height (m)
Direction
Period (s)
1.1
NW
10
1.1
NW
9
0.1
W
6
1.5
NW
9
0.2
WSW
8
0.2
WSW
8
1.4
NW
8
0.2
WSW
8
0.4
NW
10
0.9
NW
6
0.7
NW
6
0.7
NW
8
0.7
NNW
8
0.6
NNW
8
0.7
SSW
5
0.9
NNW
12
0.9
NNW
12
1.4
SW
7
0.6
NNW
11
0.2
NNW
10
2.5
W
10
Energy kJ
240
216
1
326
7
6
268
6
28
54
42
70
55
43
22
233
207
200
88
10
1420
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
7
0.3
WSW
7
0.1
SW
12
0.1
W
9
0.2
WSW
8
0.1
NW
12
0.2
WSW
8
0.4
NW
10
0.5
NW
9
0.1
W
16
0.3
WNW
15
0.3
WNW
14
0.6
NW
14
0.6
WNW
12
0.6
WNW
12
0.9
NNW
11
0.3
WNW
11
0.8
NW
13
Energy kJ
9
9
6
2
6
6
6
23
40
5
42
38
169
113
106
200
24
215
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
0.1
W
10
0.4
NW
7
0.1
W
8
0.1
W
8
0.1
N
11
0.3
NW
17
0.5
W
13
0.3
NNW
6
0.2
NNW
7
0.5
WNW
11
0.3
WNW
11
Energy kJ
3
2
12
1
1
2
47
87
8
4
68
24
Wind waves
Height (m)
Direction
Period (s)
0.9
NW
9
1.3
NW
9
1.6
NW
8
1.7
NNW
8
1.2
NW
8
1.1
NW
7
0.6
NW
6
0.2
SSW
3
1.5
SSW
6
1.4
SSW
7
1
WNW
8
2.3
W
8
2.4
W
8
2.2
SW
7
Energy kJ
141
249
381
374
173
122
29
1
170
165
128
682
724
460
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
1
2
1
1
1
1
1
1
1
1
1
2
3
1
4
2
2
Distance (km)
52
297
118
114
218
81
76
268
100
0
286
71
54
218
48
222
297
351
315
351
351
Best forecast wave conditions in Beira
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in Portugal
Rating
(10 max)
1
1
2
2
1
2
2
1
1
1
1
1
1
1
1
4
4
1
2
Header Global
Rating
(10 max)
5
5
5
4
5
9
9
5
6
5
9
7
9
6
5
4
5
9
4
6
5
  • 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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