Dimas Rivermouth Surf Break

Lat Long: 23.62° N 106.78° W

Dimas Rivermouth Surf Forecast and Surf Report

Issued: 4 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Dimas Rivermouth sea temperature is
31.7° C
2.4° 

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 19 Jul 2026:

  • Best quality surf: Friday 24 Jul, 5AM (local time) - 3ft (0.9m), 24s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 25 Jul, 8PM (local time) - 4.5ft (1.4m), 19s period, SW swell with 1,535 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 2AM (local time) - 4ft (1.2m), 13s period with SW 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 Sunday (Jul 19) at 2AM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 0.4m 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 1.4m 19s and forecast to arrive on Saturday (Jul 25) at 8PM. 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 (Sun 19th Jul)4ft (1.2m) 13s
Best Surf 5AM (Fri 24th Jul)3ft (0.9m) 24s
Most Powerful 8PM (Sat 25th Jul)4.5ft (1.4m) 19s

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


Short Range Forecast

Heavy rain (total 40mm), heaviest during Sun night. Warm (max 30°C on Sat afternoon, min 23°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 26mm), heaviest during Wed night. Warm (max 31°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
1
1
3
3
1
3
2
0
2
1
0
0
1
2
3
2
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)
0.9
SSW
10
1.2
SW
13
0.9
SSW
17
0.9
SSW
17
0.7
SW
17
1.1
SW
16
1.1
SW
16
1.1
SW
16
1.1
SW
15
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.6
SSW
14
0.9
SSW
12
0.5
SW
26
0.5
SW
24
0.7
SW
24
0.6
SSW
23
1.3
SSW
21
Wave Graph
Metric surfscale
Energy kJ
171
501
516
504
298
587
595
551
516
372
332
323
323
127
264
329
278
563
362
1527
Wind (km/h)
10
WSW
10
N
15
S
10
SW
10
NE
0
W
10
WNW
5
N
5
WSW
10
W
5
NE
10
WSW
10
SW
15
ESE
5
S
10
WSW
5
E
10
W
15
W
10
NNW
Wind State
on
cross-off
cross
cross-on
cross-off
glassy
cross-on
cross-off
on
cross-on
glassy
on
on
cross-off
cross-on
on
glassy
on
cross-on
cross
High Tide
11:12PM1.32m
12:20PM1.41m
00:04AM1.13m
12:54PM1.39m
1:36AM0.97m
1:35PM1.38m
2:36PM1.37m
3:53PM1.38m
8:33AM1.18m
5:00PM1.43m
Low Tide
5:32PM0.82m
5:30AM0.59m
6:36PM0.83m
5:42AM0.75m
8:16PM0.81m
5:33AM0.88m
10:34PM0.72m
11:45PM0.59m
00:26AM0.47m
11:24AM1.14m
00:59AM0.36m
clear
rain showers
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
rain showers
rain showers
clear
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:31
5:31
5:31
5:31
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:54
6:54
6:53
6:53
6:53
6:52
 mm
4
36
1
25
Temp °C
30
26
30
30
28
28
29
29
30
30
29
30
31
26
29
30
29
30
30
29
Feels °C
33
29
32
32
33
32
32
32
35
33
33
34
34
27
33
33
34
34
32
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 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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