Dona Ana surfForecast / Golfo de Nicoya / Costa Rica

information circle48hr Weather and Surf, issued 11 am Monday 18 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Dona Ana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dona Ana sea temperature is
30.4° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Dona Ana today?

The current surf forecast for Dona Ana at 7PM is: 0.5m 13s primary swell from a South direction and 0.5m 7s secondary swell from a South direction (forecast issued at 11:00am May 18). The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (18 May)1.5ft (0.5m)13s
Afternoon (18 May)1.5ft (0.5m)13s
Evening (18 May)1.5ft (0.4m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Wed afternoon. Warm (max 33°C on Wed morning, min 27°C on Mon night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
Rating
(10 max)
1
0
0
0
1
1
1
1
1
0
0
1
1
1
1
1
1
0
0
2
1
1
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
S
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
19
0.4
SSW
18
0.4
SSW
18
0.3
S
18
0.3
SSW
18
0.4
SSW
12
0.4
SSW
17
0.5
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.3
SW
16
0.4
SSW
16
0.7
SSW
16
0.6
SSW
16
0.4
SW
16
0.4
SSW
15
0.4
SSW
15
Wave Graph
Metric surfscale
Energy kJ
98
98
99
87
57
56
119
112
104
56
61
49
100
149
85
86
84
41
102
226
169
63
92
86
Wind (km/h)
0
W
10
SSW
15
S
5
S
0
ENE
5
NE
5
NE
5
NE
0
WNW
15
SSW
15
S
5
S
5
NE
10
N
10
NNE
5
N
5
N
10
SSW
5
S
15
ESE
5
NE
10
NNE
5
NE
5
NNE
glassy
cross-on
cross-on
cross
glassy
cross-off
cross-off
glassy
glassy
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
High Tide
4:09PM3.00m
4:45AM2.74m
5:00PM2.95m
5:37AM2.72m
5:52PM2.83m
Low Tide
9:55AM0.16m
10:32PM-0.09m
10:47AM0.17m
11:22PM-0.05m
11:41AM0.24m
00:14AM0.05m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
5:53
1
1
5
1
Temp °C
31
32
31
29
28
28
27
27
31
31
31
30
28
28
27
27
31
33
31
28
28
27
27
27
35
34
33
33
33
31
30
31
35
32
34
34
32
31
30
30
34
35
35
30
32
30
30
31
Swell 1
Height (m)
Direction
Period (s)
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.4
S
7
0.4
S
7
0.5
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
SSW
16
0.4
S
7
0.4
SSW
16
0.7
SSW
16
0.6
SSW
16
0.4
SW
16
0.4
SSW
15
0.4
SSW
15
Energy kJ
98
98
99
27
26
26
27
28
28
29
28
17
17
149
85
86
84
15
102
226
169
63
92
86
Swell 2
Height (m)
Direction
Period (s)
0.5
S
8
0.5
S
8
0.5
S
7
0.5
S
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.4
SW
15
0.4
S
7
0.4
S
7
0.4
SW
16
0.4
S
7
0.3
SSW
14
0.4
S
7
0.4
S
7
0.3
S
7
0.3
SSW
12
0.3
S
7
0.3
S
7
Energy kJ
28
28
27
87
57
56
53
50
50
50
50
49
57
17
16
65
15
37
15
15
8
31
8
8
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
18
0.2
SSW
18
0.3
SSW
16
0.3
SSW
16
0.3
SSW
16
0.3
SSW
17
0.4
SSW
19
0.4
SSW
18
0.4
SSW
18
0.3
S
18
0.3
SSW
18
0.3
SSW
15
0.4
SSW
17
0.3
SSW
12
0.4
SW
16
0.4
S
7
0.3
SSW
13
0.3
SW
16
0.4
SW
13
0.1
S
12
0.2
S
15
0.3
S
7
0.3
SSW
12
0.2
SSW
12
Energy kJ
64
32
53
52
53
54
119
112
104
56
61
44
100
28
66
16
33
41
44
3
17
8
28
14
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
1
1
1
1
1
2
1
1
1
1
1
1
1
2
2
1
1
1
1
1
Distance (km)
0
59
42
42
0
0
0
0
0
125
107
0
0
0
0
0
0
120
107
0
0
0
0
0
Best forecast wave conditions in Golfo de Nicoya
Rating
(10 max)
1
2
2
2
1
1
2
1
2
1
1
2
2
2
2
2
2
2
2
2
1
1
Best forecast wave conditions in Costa Rica
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
1
3
2
2
2
2
2
3
2
2
2
2
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
5
4
  • 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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