Surf Break

Lat Long: 23.62° N 106.78° W

Dimas Rivermouth Surf Forecast and Surf Report

Issued: 4 am 03 Oct 2026 (local time)

Forecast update in  hr  min

Today's Dimas Rivermouth sea temperature is
31.8°C
2.3° 

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


Dimas Rivermouth surf forecast from 3 Oct 2026:

  • Best quality surf: Saturday 3 Oct, 11PM (local time) - 7ft (2.1m), 11s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Saturday 3 Oct, 11AM (local time) - 7.5ft (2.3m), 12s period, SSW swell with 1,510 kJ wave energy.
  • Next surfable swell (1★+): Saturday 3 Oct, 11PM (local time) - 7ft (2.1m), 11s period with SSW swell.

Best Forecast Surf Conditions for Dimas Rivermouth this week:

The surf forecast for Dimas Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Oct 03) at 11PM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 0.7m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dimas Rivermouth in the next 16 days are 2.3m 12s and forecast to arrive on Saturday (Oct 03) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 3rd Oct)7ft (2.1m) 11s
Best Surf11PM (Sat 3rd Oct)7ft (2.1m) 11s
Most Powerful11AM (Sat 3rd Oct)7.5ft (2.3m) 12s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Sat night. Warm (max 30°C on Sat morning, min 26°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 22mm), heaviest during Tue night. Warm (max 30°C on Wed afternoon, min 26°C on Thu night). Wind will be generally light.

Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
4
3
3
2
2
1
2
2
1
3
2
0
3
2
2
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
SSW
12
2.2
SSW
12
2
SSW
11
1.8
SW
11
1.8
SW
10
1.6
SW
10
0.9
SW
14
1.4
SW
11
1.2
SW
10
1.2
SW
11
1.1
SW
10
0.6
SW
18
0.9
SSW
18
1.1
SW
17
1.3
SSW
16
1.3
SSW
16
1.2
SSW
16
1.2
SSW
16
1
SSW
19
1.1
SW
14
0.9
SSW
18
Wave Graph
Metric surfscale
Energy kJ
1510
1294
991
716
650
486
300
449
279
319
240
266
547
695
886
853
657
649
782
482
491
Wind (km/h)
10
S
5
S
5
SE
5
S
5
W
10
SSE
5
S
10
WSW
5
NE
5
SW
10
W
5
N
10
WNW
20
WNW
15
NW
5
WSW
15
WNW
5
NNE
5
S
10
WNW
5
ENE
Wind State
cross
cross-on
cross-off
glassy
glassy
cross
cross-on
on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
cross
on
cross-on
glassy
cross-on
cross-on
off
High Tide
10:47AM1.37m
7:21AM1.30m
3:43PM1.28m
6:53AM1.38m
5:21PM1.40m
6:59AM1.47m
6:15PM1.51m
7:12AM1.56m
6:57PM1.60m
7:27AM1.64m
7:34PM1.63m
7:44AM1.70m
8:08PM1.62m
Low Tide
10:36PM0.49m
11:45AM1.17m
11:37PM0.39m
12:09PM0.97m
00:16AM0.33m
12:36PM0.77m
00:47AM0.31m
1:05PM0.58m
1:15AM0.33m
1:33PM0.42m
1:39AM0.39m
2:00PM0.29m
2:01AM0.48m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
—
—
5:58
—
—
6:00
—
—
6:00
—
—
6:00
—
—
6:01
—
—
6:01
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:52
—
—
5:51
—
—
5:50
—
—
5:49
—
—
5:47
—
—
5:46
—
—
5:45
—
 mm
1
3
17
2
—
4
—
—
1
—
—
3
2
1
8
—
1
7
—
—
—
Temp °C
30
30
29
27
28
27
28
29
28
29
29
28
29
30
28
29
30
28
29
30
29
Feels °C
34
34
33
32
32
31
33
33
34
34
32
32
33
33
31
34
33
32
34
33
33
  • 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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Information about the Dimas Rivermouth Surf forecast

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

Dimas Rivermouth is 60 km (37 miles) from Mazatlan. If you plan a holiday in Sinaloa, look for hotels and other accommodation in Mazatlan. Mazatlan has rooms for a wide range of budgets as well as car hire and transport links.

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