Dimas Rivermouth Surf Break

Lat Long: 23.62° N 106.78° W

Dimas Rivermouth Surf Forecast and Surf Report

Issued: 10 pm 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Dimas Rivermouth sea temperature is
31.4° 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 16 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 5AM (local time) - 5ft (1.5m), 13s period, SW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 22 Jul, 8PM (local time) - 6ft (1.9m), 13s period, SW swell with 1,218 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 5AM (local time) - 2ft (0.6m), 16s 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 Thursday (Jul 16) at 5AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.5m and 13s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Dimas Rivermouth in the next 16 days are 1.9m 13s and forecast to arrive on Wednesday (Jul 22) at 8PM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 16th Jul)2ft (0.6m) 16s
Best Surf 5AM (Sun 19th Jul)5ft (1.5m) 13s
Most Powerful 8PM (Wed 22nd Jul)6ft (1.9m) 13s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri night. Warm (max 31°C on Thu afternoon, min 26°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

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

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
2
1
1
2
2
2
3
3
2
3
2
1
4
3
1
4
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
SSW
16
0.5
SW
16
0.8
SSW
15
0.5
SW
19
0.7
SSW
12
0.9
SSW
11
0.5
SW
18
0.6
SW
18
1
SSW
10
1.1
SW
13
1.5
SW
12
0.9
SSW
17
0.7
SW
17
1.1
SW
16
1.1
SW
16
1.4
SSW
15
1.5
SSW
15
1.6
SSW
14
1.7
SSW
13
Wave Graph
Metric surfscale
Energy kJ
173
125
279
183
142
167
150
249
229
392
573
504
298
587
587
953
996
915
1061
Wind (km/h)
5
NNE
10
SW
10
W
10
N
10
SSE
10
WNW
15
NE
10
SSE
10
SW
5
NNE
15
S
10
SSW
10
ESE
10
S
10
WSW
5
E
5
SSE
10
W
10
N
Wind State
cross-off
cross-on
cross-on
cross-off
cross
cross-on
off
cross
cross-on
glassy
cross
cross-on
cross-off
cross
on
glassy
cross
cross-on
cross-off
High Tide
9:05PM1.80m
10:48AM1.43m
9:48PM1.67m
11:19AM1.42m
10:29PM1.51m
11:50AM1.42m
11:12PM1.32m
12:20PM1.41m
00:04AM1.13m
12:54PM1.39m
1:36AM0.97m
1:35PM1.38m
Low Tide
4:08AM0.07m
3:55PM0.81m
4:40AM0.22m
4:41PM0.81m
5:08AM0.40m
5:32PM0.82m
5:30AM0.59m
6:36PM0.83m
5:42AM0.75m
8:16PM0.81m
5:33AM0.88m
10:34PM0.72m
thunderstorm
clear
clear
rain showers
thunderstorm
part cloud
rain showers
rain showers
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:30
5:30
5:31
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:54
6:54
6:54
6:53
 mm
1
4
1
5
1
5
4
2
8
2
4
1
Temp °C
29
30
31
29
29
31
30
29
30
29
30
30
29
29
30
29
29
30
29
Feels °C
33
34
34
33
32
34
34
32
33
34
32
32
33
31
32
33
32
33
32
  • 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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