Dunes surfForecast / Puerto Rico / Puerto Rico

information circle48hr Weather and Surf, issued 7 am Monday 18 May 2026 AST
Forecast update in hr  min  s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
28.2° C
(Which is slightly warmer than usual)

How big are the waves at Dunes today?

The current surf forecast for Dunes at 4PM is: 1.9m 7s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a Northeast direction, 0.1m 9s secondary swell from a North direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-shore.

Time (AST) & DateWave HeightWave Period
Morning (18 May)5ft (1.5m)7s
Afternoon (18 May)6.5ft (2.0m)7s
Evening (18 May)5.5ft (1.7m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 30mm), heaviest during Wed afternoon. Warm (max 29°C on Mon morning, min 24°C on Mon night). Mainly fresh winds.

Monday
18
Tuesday
19
Wednesday
20
Thu
21
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
1
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
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)
1.5
E
7
1.5
E
6
1.5
E
7
2
ENE
6
1.9
ENE
7
1.8
ENE
8
1.6
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
2.1
ENE
6
2
ENE
6
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.9
ENE
8
2.1
ENE
7
2.1
ENE
7
1.8
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
200
194
212
320
326
416
350
383
302
273
333
402
331
310
414
414
394
404
392
427
468
456
394
341
Wind (km/h)
20
E
20
E
25
ENE
35
ENE
35
ENE
25
E
20
E
20
ESE
20
ESE
15
E
25
ENE
30
ENE
35
ENE
30
E
25
E
25
E
20
E
20
E
25
ENE
30
ENE
30
ENE
30
E
20
E
20
E
cross-off
cross
cross
cross-on
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross
cross
cross
cross
cross
cross-off
cross
cross-on
cross
cross
cross
cross
cross
High Tide
9:13AM0.32m
10:35PM0.68m
10:11AM0.32m
11:30PM0.66m
11:13AM0.33m
00:25AM0.63m
Low Tide
4:30AM0.15m
3:10PM-0.03m
5:27AM0.16m
4:05PM-0.02m
6:24AM0.16m
5:05PM0.02m
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:55
6:55
6:55
3
2
2
5
4
1
4
6
3
Temp °C
24
26
29
27
27
27
25
24
24
25
28
27
27
26
25
24
24
26
28
28
27
26
25
24
24
27
28
25
25
26
25
24
24
25
27
25
25
24
25
24
25
26
27
26
26
25
25
24
Swell 1
Height (m)
Direction
Period (s)
0.4
NE
11
0.4
NE
10
0.4
NE
10
0.1
N
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.2
N
7
0.2
N
7
0.2
N
7
0.2
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
6
0.1
N
6
0.1
N
6
Energy kJ
40
39
37
2
16
16
16
15
15
15
4
4
4
4
1
1
1
1
1
1
Swell 2
Height (m)
Direction
Period (s)
0.1
N
10
0.1
N
9
0.1
N
9
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
8
0.1
NE
9
0.1
N
7
Energy kJ
2
2
2
6
5
5
5
4
3
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.5
E
7
1.5
E
6
1.5
E
7
2
ENE
6
1.9
ENE
7
1.8
ENE
8
1.6
ENE
8
1.7
ENE
8
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
2.1
ENE
6
2
ENE
6
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.9
ENE
8
2.1
ENE
7
2.1
ENE
7
1.8
ENE
8
1.6
ENE
8
Energy kJ
200
194
212
320
326
416
350
383
302
273
333
402
331
310
414
414
394
404
392
427
468
456
394
341
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
Distance (km)
304
304
26
879
879
13
13
20
35
26
130
130
26
21
26
231
13
21
26
21
13
28
21
13
Best forecast wave conditions in Puerto Rico
Rating
(10 max)
1
1
1
2
2
1
1
1
1
1
1
2
1
2
1
1
1
1
1
Best forecast wave conditions in Puerto Rico
Rating
(10 max)
1
1
1
2
2
1
1
1
1
1
1
2
1
2
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
5
  • 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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