La Barra Surf Break

Lat Long: 13.93° N 90.73° W

La Barra Surf Forecast and Surf Report

Issued: 5 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Barra sea temperature is
30.9°C
1.7° 

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


La Barra surf forecast from 15 Sep 2026:

  • Best quality surf: Tuesday 15 Sep, 6AM (local time) - 2.5ft (0.8m), 18s period, SSW swell with offshore winds.
  • Most powerful swell: Wednesday 16 Sep, 9AM (local time) - 3.5ft (1.1m), 16s period, SSW swell with 627 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 9PM (local time) - 2.5ft (0.8m), 18s period with SSW swell.

Best Forecast Surf Conditions for La Barra this week:

The surf forecast for La Barra over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 9PM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 0.8m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at La Barra in the next 16 days are 1.1m 16s and forecast to arrive on Wednesday (Sep 16) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (Sep 20) at 6PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 14th Sep)2.5ft (0.8m) 18s
Best Surf 6AM (Tue 15th Sep)2.5ft (0.8m) 18s
Most Powerful 9AM (Wed 16th Sep)3.5ft (1.1m) 16s

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


The Lowdown

G’day, Rusty here. Look, we’ve got a real slow cooker of a forecast for La Barra. This river/jetty setup is exposed to the SSW swell, which is exactly what it needs, and over the next 16 days, there’s a proper build coming. The water is sitting at 88° right now, which is a touch warmer than normal for this time of year—nothing wild, just a pleasant surprise if you’re jumping in.

We start off this Monday morning (September 14th) with tiny, clean 2ft SW groundswell at a long 12 seconds, and glassy conditions with a light WNW breeze. Energy is weak (157), but it’s surfable. The afternoon goes to crap though—wind swings SW and picks up, turning it cross and messy. That’s the pattern for the first week: clean, small mornings with a brief window, then blown out by the afternoon.

Tuesday morning (September 15th) is a step up—2ft SSW swell at 18 seconds, glassy with a NE breeze, and energy jumps to moderate (487). That’s a proper long-period groundswell, and it’ll line up nicely on the river mouth. Wednesday morning (September 16th) is the standout of the first week: 4ft SSW, 16-second period, dead calm glass, and energy is strong (771). That’s a beautiful, clean window for intermediate surfers. The swell direction is dead on the optimum from SSW, and with zero wind, it’ll be silky.

Thursday and Friday mornings (September 17th and 18th) keep the same vibe—glassy or light offshore, with 3ft and 3ft SSW swell. Crowds are possible here at La Barra, so get in early. Saturday morning (September 19th) is clean again with a cross-off WNW breeze and 2ft SSW swell at 18 seconds, but it’s smaller.

The real standout of the whole run is Sunday morning (September 20th). We’ve got 3ft SSW swell at a very long 19 seconds, cross-off WNW wind, and combined energy is strong at 760. This is a classic groundswell setup—long period, clean, and the river mouth will handle that direction perfectly. It’ll hold shape and the sets will have proper grunt for its size. If you’re picking one session this week, that’s it.

Monday morning (September 21st) is another gem—3ft SSW at 18 seconds, dead calm glass, energy strong (619). The afternoons remain a write-off with onshore winds or storms. Tuesday to Friday mornings (September 22nd to 25th) keep the small, clean run going—2ft to 3ft, glassy or light, with energy holding in the moderate-to-strong range. Not huge, but fun.

Now, the second week gets interesting. Saturday morning (September 26th) brings a serious jump: 6ft SSW swell at 12 seconds, glassy, and energy hits very strong (1379). This is getting into expert territory—over 5ft and pushing. The afternoon gets bigger and messy with wind. Sunday morning (September 27th) drops slightly to 6ft SW at a shorter 10 seconds, with a cross-on breeze. It’s marginal—the period is short, so the waves might be a bit fat and lumpy.

But Monday the 28th and Tuesday the 29th? That’s the big finale. Monday morning sees 8ft SSW at 11 seconds, with a cross breeze, and energy is very strong (1672). Tuesday morning delivers 10ft SSW at 11 seconds, glassy, with energy at 2267. That’s huge—too big for most. This break is a river mouth, and with long-period swell over 8ft, it’s only for experts who know the lineup. The afternoon sessions are all blown out or onshore. The Tuesday morning session is a beast, but only for the brave.

In summary: The first week’s best is Sunday morning (September 20th) with clean, long-period grunt. The second week’s monster standout is Tuesday morning (September 29th), but it’s huge and expert-only. If you’re a beginner, stick to the mornings from September 14th to 19th when it’s under 5ft.

Rusty.

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Warm (max 31°C on Mon morning, min 26°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Warm (max 31°C on Thu morning, min 25°C on Thu night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
2
2
0
3
3
0
2
2
0
3
2
0
2
2
0
2
3
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
12
0.6
SSW
18
0.8
SSW
18
0.7
SSW
18
0.9
SSW
17
0.9
SSW
16
1.1
SSW
16
1.1
SSW
16
0.9
SSW
15
1
SSW
14
1
SSW
14
0.9
SSW
14
0.8
SSW
13
0.8
SSW
13
0.6
SSW
19
0.6
SSW
18
0.6
SSW
18
0.7
SSW
18
0.9
SSW
19
0.9
SSW
19
0.8
SSW
18
Wave Graph
Metric surfscale
Energy kJ
74
204
356
273
469
407
627
612
334
437
394
290
219
219
251
226
211
283
578
578
390
Wind (km/h)
5
WNW
20
SW
5
NNE
5
NE
15
SSW
5
NNE
0
S
20
SW
10
NNE
5
ESE
20
SSW
10
N
0
NE
15
SW
15
NNW
10
WNW
25
SW
15
NW
15
WNW
25
SW
15
NW
Wind State
glassy
cross
cross-off
glassy
cross-on
cross-off
glassy
cross-on
cross-off
glassy
cross-on
cross-off
glassy
cross-on
off
cross-off
cross
cross-off
cross-off
cross
off
High Tide
4:52PM1.81m
5:11AM2.00m
5:33PM1.73m
5:51AM1.91m
6:13PM1.63m
6:32AM1.81m
6:56PM1.52m
7:16AM1.70m
7:42PM1.42m
8:04AM1.60m
8:36PM1.34m
9:00AM1.53m
9:40PM1.30m
Low Tide
10:50AM0.11m
10:56PM0.15m
11:31AM0.16m
11:35PM0.22m
12:13PM0.24m
00:14AM0.31m
12:55PM0.34m
00:54AM0.41m
1:41PM0.44m
1:39AM0.51m
2:33PM0.52m
2:31AM0.59m
3:34PM0.58m
clear
clear
thunderstorm
part cloud
part cloud
clear
clear
part cloud
thunderstorm
clear
part cloud
thunderstorm
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:02
6:01
6:01
6:00
6:00
 mm
2
1
5
2
3
4
9
Temp °C
31
31
27
30
31
28
31
30
28
31
30
27
30
30
28
31
30
27
32
30
28
Feels °C
32
32
31
31
32
31
31
30
32
31
30
31
32
32
31
32
30
30
34
31
32
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the La Barra Surf forecast

The above surf forecast table for La Barra provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Barra can be found by selecting the local surf guide option on the grey menu. Our La Barra 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 (La Barra) 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 La Barra 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.

La Barra is 9 km (6 miles) from San Jose. If you plan a holiday in Guatemala - Pacific Coast, look for hotels and other accommodation in San Jose. San Jose has rooms for a wide range of budgets as well as car hire and transport links.

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