Backwash Surf Break

Backwash Surf Forecast and Surf Report

Lat Long: 8.41° N 83.28° W

Issued: 5 pm 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Backwash sea temperature is
30.7° C

2.5°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.


Backwash surf forecast from 6 Jul 2026:

  • Best quality surf: Tuesday 7 Jul, 3AM (local time) - 4ft (1.2m), 19s period, SSW swell with glassy winds.
  • Most powerful swell: Tuesday 7 Jul, 9AM (local time) - 5ft (1.6m), 18s period, SSW swell with 1,522 kJ wave energy.
  • Next surfable swell (1★+): Monday 6 Jul, 12AM (local time) - 2.5ft (0.7m), 21s period with SW swell.

Best Forecast Surf Conditions for Backwash this week:

The surf forecast for Backwash over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 06) at 12AM. The primary swell is predicted to be 0.7m and 21s period with a secondary swell of 0.8m and 16s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Backwash in the next 16 days are 1.6m 18s and forecast to arrive on Tuesday (Jul 07) at 9AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 6th Jul)2.5ft (0.7m) 21s
Best Surf 3AM (Tue 7th Jul)4ft (1.2m) 19s
Most Powerful 9AM (Tue 7th Jul)5ft (1.6m) 18s

Table - best surf conditions forecast for Backwash over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Sun afternoon. Warm (max 29°C on Sun afternoon, min 26°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 64mm), heaviest during Fri afternoon. Warm (max 30°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Sun
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
3
3
3
3
4
4
4
3
3
3
2
3
2
2
3
2
3
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.7
SW
21
1
SSW
16
0.9
SSW
20
1
SSW
19
1.6
SSW
18
1.5
SSW
18
1.5
SSW
17
1.4
SSW
16
1.4
SSW
16
1.3
SSW
16
1.1
SSW
15
1.1
SSW
16
1
SSW
15
1
SSW
15
0.8
SSW
18
1.2
SSW
16
1.2
SSW
16
1.2
SSW
16
1.2
SSW
14
1.1
SSW
14
Wave Graph
Metric surfscale
Energy kJ
265
467
469
664
774
1522
1339
1235
981
957
740
559
589
461
449
348
706
724
706
602
515
Wind (km/h)
10
SW
5
NW
0
NW
15
WSW
5
NNW
5
SSE
15
WSW
10
NW
5
NW
15
WSW
5
WNW
5
W
15
WSW
5
WNW
5
W
10
WSW
10
SE
5
E
5
S
5
W
0
N
Wind State
cross
off
glassy
cross-off
off
glassy
cross-off
off
glassy
cross-off
glassy
glassy
cross-off
glassy
glassy
cross-off
on
glassy
glassy
glassy
glassy
High Tide
6:15PM2.55m
6:45AM2.70m
6:58PM2.48m
7:27AM2.70m
7:47PM2.40m
8:14AM2.70m
8:43PM2.35m
9:10AM2.70m
9:48PM2.33m
10:12AM2.72m
10:57PM2.38m
11:19AM2.78m
00:06AM2.49m
Low Tide
00:25AM0.56m
12:58PM0.72m
1:05AM0.63m
1:46PM0.72m
1:51AM0.70m
2:40PM0.70m
2:45AM0.74m
3:41PM0.66m
3:48AM0.76m
4:47PM0.58m
4:57AM0.72m
5:52PM0.46m
6:06AM0.63m
thunderstorm
thunderstorm
clear
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:20
5:20
5:20
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
5:54
5:54
5:54
5:55
5:55
5:55
 mm
2
1
1
1
1
1
7
6
3
9
10
2
10
17
Temp °C
29
27
29
29
27
29
29
27
29
29
27
30
29
28
29
29
25
26
27
27
28
Feels °C
32
32
33
32
31
33
32
31
33
33
32
34
32
33
33
32
30
31
31
32
31
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
14
0.8
SSW
16
1
SSW
16
0.9
SSW
15
1
SSW
19
1.6
SSW
18
1.5
SSW
18
1.5
SSW
17
1.4
SSW
16
1.4
SSW
16
1.3
SSW
16
1.1
SSW
15
1.1
SSW
16
1
SSW
15
1
SSW
15
0.8
S
6
1.2
SSW
16
1.2
SSW
16
1.2
SSW
16
1.2
SSW
14
1.1
SSW
14
Energy kJ
265
326
469
334
774
1522
1339
1235
981
957
740
559
589
461
449
52
706
724
706
602
515
Swell 2
Height (m)
Direction
Period (s)
0.7
S
10
0.7
SW
21
0.7
SSW
20
0.9
SSW
20
0.8
SSW
14
0.5
S
12
0.7
S
12
0.7
S
12
0.7
S
11
0.7
S
11
0.7
S
10
0.7
S
10
0.7
S
10
0.7
S
10
0.7
S
8
0.9
SSW
14
0.7
SSW
6
0.8
SSW
6
0.8
SSW
6
0.6
SSW
6
0.7
SSW
6
Energy kJ
90
467
353
664
261
73
139
134
110
110
96
92
96
96
61
325
43
56
45
22
33
Swell 3
Height (m)
Direction
Period (s)
0.7
SSW
16
0.7
SSW
13
0.6
S
9
0.6
S
9
0.6
S
9
0.7
SW
14
0.2
S
15
0.1
W
15
0.1
W
15
0.1
W
15
0.2
SSW
20
0.4
SSW
19
0.8
SSW
18
0.4
S
9
0.3
S
8
0.3
S
8
0.1
SW
20
Energy kJ
232
147
56
56
55
208
17
4
4
4
38
124
348
24
12
11
15
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
4
4
4
3
3
3
2
3
2
2
3
3
3
3
2
2
Distance (km)
164
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
0
0
0
0
Best forecast wave conditions in Golfo Dulce
Rating
(10 max)
3
3
3
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in Costa Rica
Rating
(10 max)
3
4
3
4
4
4
4
4
4
3
3
3
3
3
3
3
3
4
4
4
4
Header Global
Rating
(10 max)
6
7
8
7
5
5
9
6
9
9
5
6
5
4
5
5
4
5
4
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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Information about the Backwash Surf forecast

The above surf forecast table for Backwash provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Backwash can be found by selecting the local surf guide option on the grey menu. Our Backwash surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Backwash) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Backwash may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Golfo Dulce? If you are looking for accommodation near Backwash, camping, hotels and holiday cottages in Golfo Dulce, consider staying in Golfito which is 28 km (17 miles) away. Other places in and around Golfo Dulce where you can find information about places to rent, and car hire include Puerto Armuelles which is 48 km (30 miles) away, La Concepcion, Pedregal and David.

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