Barron Rivermouth Surf Break

Lat Long: 23.10° N 106.30° W

Barron Rivermouth Surf Forecast and Surf Report

Issued: 4 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barron Rivermouth sea temperature is
31.8°C
2.2° 

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


Barron Rivermouth surf forecast from 9 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 11PM (local time) - 3ft (0.9m), 17s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 9 Sep, 11PM (local time) - 3ft (0.9m), 17s period, SW swell with 505 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 2AM (local time) - 2ft (0.6m), 16s period with SW swell.

Best Forecast Surf Conditions for Barron Rivermouth this week:

The surf forecast for Barron Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 2AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.6m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Barron Rivermouth in the next 16 days are 0.9m 17s and forecast to arrive on Wednesday (Sep 09) at 11PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 9th Sep)2ft (0.6m) 16s
Best Surf11PM (Wed 9th Sep)3ft (0.9m) 17s
Most Powerful11PM (Wed 9th Sep)3ft (0.9m) 17s

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


The Lowdown

Alright folks, Rusty here. Let’s get into it for this neck of the woods. We’ve got a long stretch ahead, but it’s not exactly firing on all cylinders. The overall pattern is small, with a lot of wind making things messy. The standout window is narrow, but there’s a few moments when it could be worth a paddle.

The first real surf we can talk about is on Wednesday the 9th, early. Barron Rivermouth is a point/river setup, and it’s exposed to the SW swell. The water is sitting at 89°, which is 4° warmer than average for this time of year – that’s notably warm, so you’ll be surfing in a bath.

Wednesday morning looks like the pick of the whole run. The swell is a clean 2 ft out of the SW, with a very long period of 19 seconds. That’s groundswell, and it’s got a nice energy level (394). The wind is glassy – dead calm – which means the surface will be like a mirror. That’s a major positive. It’s a small window, but it’s the best you’ll get. The wave energy is moderate, but for a wave that small, the long period will give it some shape.

Tuesday afternoon the 8th is a write-off, with cross-onshore wind and poor conditions. Expect a gap of a few days with no real recommendations after the Wednesday morning window. The surf tries to pick up again towards the end of the second week, but it’s still small and gets chopped up by the afternoon wind.

Looking way out, there’s a glimmer on Monday the 21st morning. The swell is a bit bigger at 3 ft from the SW, with a period of 17 seconds, and the energy is solid (556). The wind is light and offshore from the WSW, so it will be clean. This is promising but it’s a long way off, so don’t book the day off work just yet. The morning of Tuesday the 22nd also has glassy conditions with a 3 ft SW swell and 16-second period (483 energy), but again, it’s a long-range call.

For the most part, the afternoons are a mess with cross-onshore winds. The setup is a point/river, so it can handle a bit of swell, but those afternoon winds will ruin it. If you’re a beginner, the swell never goes over 5 ft, so it’s never too big, but the quality is often poor. The crowds are listed as “sometimes” at Barron Rivermouth, so on the good mornings, you might have a few others out, but it won’t be a circus.

If you’re a kite surfer, the afternoons with moderate cross-onshore wind and that consistent SW swell energy might look more interesting than a paddle session.

So, bottom line: the best bet is Wednesday morning the 9th for a glassy, small, long-period session. The Monday morning the 21st is a long-range hope. Otherwise, it’s a lot of waiting for the wind to play nice.

Rusty.

Short Range Forecast

Moderate rain (total 15mm), heaviest on Thu night. Warm (max 31°C on Tue afternoon, min 25°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Warm (max 30°C on Sun afternoon, min 26°C on Fri night). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
2
0
3
1
0
2
1
1
2
0
0
1
0
0
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
13
0.6
SW
16
0.6
SW
16
0.8
SW
17
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
15
0.8
SW
15
0.8
SW
14
0.7
SW
14
0.6
SW
14
0.6
SW
13
0.5
SW
13
0.4
SW
19
0.4
SW
19
0.5
SW
18
0.6
SW
18
0.7
SW
18
Wave Graph
Metric surfscale
Energy kJ
138
165
179
350
505
427
421
416
322
255
251
211
160
144
85
96
129
152
246
304
Wind (km/h)
15
WNW
10
ENE
5
W
20
NNW
5
E
5
S
10
WSW
15
ESE
10
SSE
10
WSW
5
E
20
SSE
15
SSW
10
ESE
10
SSE
15
SSW
10
ESE
10
S
15
W
10
N
Wind State
cross-on
off
glassy
cross
off
cross-on
on
cross-off
cross
on
glassy
cross
cross-on
cross-off
cross
cross-on
cross-off
cross
cross-on
cross-off
High Tide
6:57PM1.70m
8:10AM1.54m
7:38PM1.75m
8:29AM1.61m
8:15PM1.74m
8:48AM1.65m
8:50PM1.67m
9:06AM1.68m
9:23PM1.57m
9:24AM1.68m
9:54PM1.43m
9:40AM1.65m
10:23PM1.28m
Low Tide
1:43AM0.10m
1:44PM0.61m
2:11AM0.14m
2:16PM0.48m
2:36AM0.23m
2:47PM0.39m
2:58AM0.34m
3:17PM0.35m
3:16AM0.47m
3:46PM0.35m
3:29AM0.60m
4:15PM0.39m
3:37AM0.71m
part cloud
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part cloud
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
part cloud
rain showers
thunderstorm
part cloud
part cloud
clear
clear
thunderstorm
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:14
6:13
6:12
6:10
6:09
6:08
 mm
1
13
1
1
1
3
Temp °C
31
29
30
30
27
29
30
29
28
28
28
29
29
28
29
30
28
30
30
29
Feels °C
33
33
33
32
29
33
33
33
31
31
32
30
31
33
32
33
33
34
33
33
  • 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 Barron Rivermouth Surf forecast

The above surf forecast table for Barron Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barron Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Barron Rivermouth 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 (Barron Rivermouth) 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 Barron Rivermouth 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 Sinaloa? If you are looking for accommodation near Barron Rivermouth, camping, hotels and holiday cottages in Sinaloa, consider staying in Mazatlan which is 16 km (10 miles) away. Other places in and around Sinaloa where you can find information about places to rent, and car hire include Escuinapa de Hidalgo which is 58 km (36 miles) away and El Salto, 99 km (61 miles) away.

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