Backwash Surf Break

Backwash 48 hour detailed Surf Forecast

Lat Long: 8.41° N 83.28° W

Issued: 5 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Backwash sea temperature is
29.7° C

1.2°C warmer than normal for this time of year

Backwash surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Backwash today (18 Jun):

  • Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.0m), 13s period with SSW swell.
  • Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.8m), 16s period with SW swell.

The current surf forecast for Backwash at 11PM is: 0.9m 16s primary swell from a Southwest direction and 0.9m 12s secondary swell from a South-southwest direction (forecast issued at 05:00pm June 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (CST) & DateWave HeightWave Period
Morning (18 Jun)--
Afternoon (18 Jun)3.5ft (1.0m)13s
Evening (18 Jun)2.5ft (0.8m)16s

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 40mm), heaviest during Fri afternoon. Warm (max 29°C on Sat afternoon, min 25°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
9 AM
12 PM
Rating
(10 max)
0
1
2
2
2
2
2
1
1
2
2
2
2
2
2
1
2
2
2
2
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
13
0.8
SW
16
0.8
SW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
0.8
SW
16
0.8
SSW
12
0.8
SW
17
0.8
SW
16
0.9
SW
16
1
SW
16
0.8
SW
15
1
SW
16
1
SW
16
1
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
Wave Graph
Metric surfscale
Energy kJ
317
314
366
432
427
366
322
189
418
361
411
468
284
474
468
450
313
305
301
350
297
297
293
248
Wind (km/h)
15
SSE
5
S
0
SSE
5
ESE
5
ENE
5
ENE
5
ESE
10
SSW
10
SW
10
W
5
NW
5
NW
5
NNW
5
N
0
W
10
SW
10
WSW
10
W
5
WNW
5
NW
5
N
5
NE
5
E
10
SSW
Wind State
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
cross
cross
cross-off
off
off
glassy
glassy
glassy
cross
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
High Tide
5:13PM3.07m
5:51AM3.06m
6:06PM2.93m
6:43AM2.98m
7:00PM2.75m
7:36AM2.88m
Low Tide
11:31PM0.04m
12:00PM0.36m
00:22AM0.18m
12:56PM0.47m
1:13AM0.36m
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
5:52
 mm
1
3
3
2
1
1
1
2
4
4
1
2
1
1
2
3
3
2
1
1
1
Temp °C
28
27
27
26
26
25
27
28
28
27
26
26
26
26
27
28
29
27
27
26
26
26
27
28
Feels °C
31
31
32
31
31
29
32
32
32
30
30
30
31
31
32
31
32
30
31
31
31
31
32
31
Swell 1
Height (m)
Direction
Period (s)
1
SSW
13
0.9
SSW
13
0.9
SSW
12
0.9
SW
16
0.9
SW
16
0.8
SW
16
0.8
SW
16
0.8
SSW
12
0.8
SW
17
0.8
SW
16
0.9
SW
16
1
SW
16
0.8
SW
15
1
SW
16
1
SW
16
1
SW
15
0.8
SW
15
0.8
SW
15
0.8
SW
15
0.9
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
0.8
SW
14
Energy kJ
317
294
276
432
427
366
322
189
418
361
411
468
284
474
468
450
313
305
301
350
297
297
293
248
Swell 2
Height (m)
Direction
Period (s)
0.7
SW
16
0.8
SW
16
0.8
SW
16
0.9
SSW
12
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.6
SW
15
0.7
SSW
12
0.6
SSW
11
0.6
SSW
11
0.6
SSW
11
0.6
SSW
11
0.5
SSW
11
0.6
SSW
11
0.6
SSW
11
0.5
SSW
10
0.4
SSW
10
0.4
SSW
5
0.4
SSW
5
0.4
SSW
5
0.4
SSW
5
0.4
SSW
18
0.6
SSW
18
Energy kJ
257
314
366
206
156
158
189
188
142
100
97
95
91
66
91
88
63
35
9
10
10
9
130
211
Swell 3
Height (m)
Direction
Period (s)
0.5
S
6
0.4
SSE
6
0.4
S
6
0.4
S
6
0.4
S
6
0.3
S
6
0.3
S
6
0.5
SW
18
0.3
SSW
6
0.3
SSW
6
0.3
SSW
6
0.3
S
12
0.6
SSW
16
0.4
S
11
0.2
S
11
0.2
S
11
0.4
SW
20
0.4
SW
20
0.4
SSW
10
0.4
SSW
10
0.3
S
10
0.3
SSW
10
0.4
SSW
5
0.4
SW
5
Energy kJ
18
12
12
11
11
6
6
152
6
6
6
25
171
39
9
9
97
97
34
33
19
19
9
6
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
Energy kJ
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
18
18
0
0
0
0
0
160
129
0
0
0
0
0
0
156
0
0
0
0
0
0
0
156
Best forecast wave conditions in Golfo Dulce
Rating
(10 max)
1
1
3
3
3
3
3
2
3
3
3
3
3
2
2
2
2
2
2
2
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
6
6
6
6
4
4
4
4
5
5
4
6
5
5
8
9
9
9
8
8
7
7
  • 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
How to use the Wavefinder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backwash surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest