Backwash surfForecast / Golfo Dulce / Costa Rica

information circle48hr Weather and Surf, issued 5 am Thursday 14 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Backwash surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backwash sea temperature is
29.7° C
(Which is slightly warmer than usual)

How big are the waves at Backwash today?

The current surf forecast for Backwash at 11AM is: 0.9m 15s primary swell from a South-southwest direction and 0.6m 10s secondary swell from a South direction (forecast issued at 05:00am May 14). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (14 May)3ft (0.9m)15s
Afternoon (14 May)3.5ft (1.1m)15s
Evening (14 May)3.5ft (1.1m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 24mm), heaviest during Sat night. Warm (max 30°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Thursday
14
Friday
15
Saturday
16
Sun
17
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
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
2
2
2
1
1
2
2
2
2
1
2
1
2
2
2
2
2
2
2
1
2
2
2
2
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)
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
1
SSW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1
SSW
15
0.9
SSW
14
0.9
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.9
SSW
14
Wave Graph
Metric surfscale
Energy kJ
436
425
409
461
496
496
496
496
443
362
357
425
419
419
337
323
313
309
309
222
222
222
222
323
Wind (km/h)
5
NNE
5
NE
5
SSE
10
SSW
15
SW
10
W
5
NW
5
NNW
5
NNE
5
NE
0
E
10
SSW
15
WSW
10
WNW
5
WNW
5
NW
5
NNW
5
NNW
5
WNW
15
SW
15
W
10
W
5
NW
5
NNW
cross-off
glassy
glassy
cross
cross
cross-off
off
glassy
cross-off
cross
glassy
cross
cross-off
cross-off
off
off
cross-off
cross-off
glassy
cross
cross-off
cross-off
glassy
off
High Tide
12:25PM2.87m
1:00AM2.64m
1:14PM3.05m
1:50AM2.81m
2:03PM3.19m
Low Tide
6:07AM0.65m
6:50PM0.39m
6:59AM0.50m
7:39PM0.18m
7:49AM0.35m
8:26PM0.02m
thunderstorm
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
5:45
1
1
2
2
1
1
1
1
3
5
6
1
Temp °C
26
26
28
29
30
28
27
27
26
26
28
29
29
28
27
27
26
26
28
29
29
28
27
27
30
31
33
32
33
32
31
32
30
31
34
32
32
32
31
32
30
31
33
32
32
32
32
32
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
1
SSW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1.1
SW
15
1
SSW
15
0.9
SSW
14
0.9
SSW
14
1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
13
0.9
SSW
14
Energy kJ
436
425
409
461
496
496
496
496
443
362
357
425
419
419
337
323
313
309
309
222
222
222
222
323
Swell 2
Height (m)
Direction
Period (s)
0.6
S
10
0.6
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
9
0.4
S
9
0.4
S
9
0.4
S
9
0.4
SSW
9
0.4
S
10
0.4
SSW
16
0.5
S
9
Energy kJ
66
66
66
66
48
43
42
42
43
45
46
46
48
47
47
45
43
27
27
27
29
28
102
42
Swell 3
Height (m)
Direction
Period (s)
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
14
0.1
S
20
0.1
S
20
0.1
S
20
0.1
W
14
0.2
SSW
18
0.2
SSW
18
0.2
SSW
18
0.1
W
12
0.3
SSW
16
0.4
SW
16
0.4
SSW
16
0.4
S
10
0.1
SW
20
Energy kJ
3
3
3
3
3
3
4
4
4
4
4
7
7
7
4
31
31
31
3
52
66
102
28
15
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
160
110
0
0
0
0
2
0
239
0
0
0
0
0
0
0
164
0
0
0
0
Best forecast wave conditions in Golfo Dulce
Rating
(10 max)
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
3
3
3
2
3
3
3
3
3
2
3
3
3
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
4
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
5
6
5
5
5
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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