Dunes surfForecast / Puerto Rico / Puerto Rico

information circle48hr Weather and Surf, issued 1 pm 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: 2.0m 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 01:00pm 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)6ft (1.9m)7s

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 26mm), heaviest during Wed afternoon. Warm (max 29°C on Thu morning, min 23°C on Wed night). Mainly fresh winds.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
1.6
ENE
7
1.9
ENE
6
2
ENE
7
2
E
7
1.7
ENE
8
1.7
E
8
1.6
ENE
8
1.5
E
8
1.5
ENE
8
1.9
ENE
8
2
E
6
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.6
ENE
8
1.6
ENE
8
1.9
ENE
8
2
ENE
8
2.1
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
219
298
350
366
383
365
341
294
286
460
324
437
414
414
414
318
359
438
472
469
383
341
295
295
Wind (km/h)
25
ENE
30
ENE
30
ENE
25
E
20
E
20
ESE
20
ESE
20
E
20
ENE
30
ENE
20
ENE
25
E
25
E
20
E
25
E
20
E
25
ENE
30
ENE
35
ENE
30
E
25
E
20
E
20
ESE
20
E
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-off
cross
High Tide
9:13AM0.32m
10:35PM0.68m
10:11AM0.32m
11:30PM0.66m
11:13AM0.33m
00:25AM0.63m
Low Tide
3:10PM-0.03m
5:27AM0.16m
4:05PM-0.02m
6:24AM0.16m
5:05PM0.02m
7:19AM0.16m
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
1
3
4
3
1
1
4
5
3
Temp °C
29
27
27
27
25
24
24
25
28
28
27
26
25
24
24
26
28
27
27
26
24
24
23
26
28
25
25
26
25
24
24
25
28
26
27
26
25
24
24
26
27
25
25
24
24
24
23
26
Swell 1
Height (m)
Direction
Period (s)
0.4
NE
10
0.1
N
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.2
NNE
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
7
1.6
ENE
8
Energy kJ
37
2
17
16
15
15
10
15
4
4
4
4
1
1
1
1
1
1
295
Swell 2
Height (m)
Direction
Period (s)
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
N
6
Energy kJ
2
2
6
5
5
5
4
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
7
1.9
ENE
6
2
ENE
7
2
E
7
1.7
ENE
8
1.7
E
8
1.6
ENE
8
1.5
E
8
1.5
ENE
8
1.9
ENE
8
2
E
6
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
1.6
ENE
8
1.6
ENE
8
1.9
ENE
8
2
ENE
8
2.1
ENE
8
1.7
ENE
8
1.6
ENE
8
1.6
ENE
8
Energy kJ
219
298
350
366
383
365
341
294
286
460
324
437
414
414
414
318
359
438
472
469
383
341
295
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
1
Distance (km)
26
879
878
13
13
26
20
84
130
130
13
21
341
13
84
130
26
878
28
341
13
35
20
130
Best forecast wave conditions in Puerto Rico
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
2
1
Best forecast wave conditions in Puerto Rico
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
2
1
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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