Dimas Rivermouth Surf Break

Lat Long: 23.62° N 106.78° W

Dimas Rivermouth Surf Forecast and Surf Report

Issued: 4 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Dimas Rivermouth sea temperature is
31.9° C
2.2° 

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 30 Jul 2026:

  • Best quality surf: Thursday 30 Jul, 11PM (local time) - 3.5ft (1.1m), 14s period, SSW swell with glassy winds.
  • Most powerful swell: Thursday 30 Jul, 2PM (local time) - 4.5ft (1.3m), 14s period, SSW swell with 638 kJ wave energy.
  • Next surfable swell (1★+): Thursday 30 Jul, 11PM (local time) - 3.5ft (1.1m), 14s 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 30) at 11PM. The primary swell is predicted to be 1.1m and 14s period with a secondary swell of 0.8m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Dimas Rivermouth in the next 16 days are 1.3m 14s and forecast to arrive on Thursday (Jul 30) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 30th Jul)3.5ft (1.1m) 14s
Best Surf11PM (Thu 30th Jul)3.5ft (1.1m) 14s
Most Powerful 2PM (Thu 30th Jul)4.5ft (1.3m) 14s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Warm (max 31°C on Thu afternoon, min 27°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 32mm), heaviest during Mon night. Warm (max 30°C on Sun morning, min 25°C on Sun night). Wind will be generally light.

Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
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
1
3
1
0
2
0
0
2
0
0
1
0
0
2
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSW
14
1.3
SSW
14
1.1
SSW
14
1
SSW
13
1
SSW
13
0.9
SSW
13
0.9
SSW
12
0.7
SSW
12
0.8
SSW
13
0.5
SW
14
0.7
SSW
13
0.7
SSW
13
0.6
SSW
13
0.7
SSW
13
0.7
SSW
13
0.6
SSW
12
0.6
SSW
12
0.4
SW
15
0.4
SW
14
0.6
SSW
14
0.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
638
630
480
373
331
265
241
125
225
91
154
151
111
151
145
101
99
75
74
136
99
Wind (km/h)
20
SSE
10
SW
5
SE
10
SSW
15
WSW
5
SE
15
SW
15
WSW
5
ENE
10
S
10
SW
10
SSE
15
SSE
15
SW
10
SE
10
S
10
WSW
5
E
10
WSW
15
W
0
S
Wind State
cross
on
cross-off
cross-on
on
glassy
on
on
glassy
cross
on
cross
cross
cross-on
cross-off
cross
on
off
on
on
glassy
High Tide
9:45AM1.40m
8:48PM1.71m
10:05AM1.44m
9:20PM1.65m
10:26AM1.47m
9:53PM1.55m
10:49AM1.50m
10:31PM1.42m
11:14AM1.52m
11:16PM1.25m
11:45AM1.53m
00:23AM1.07m
12:27PM1.51m
3:16AM0.94m
Low Tide
2:52PM0.76m
3:36AM0.18m
3:25PM0.72m
3:59AM0.26m
4:01PM0.68m
4:21AM0.37m
4:42PM0.66m
4:44AM0.49m
5:30PM0.65m
5:06AM0.64m
6:35PM0.66m
5:24AM0.79m
8:19PM0.63m
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:35
5:37
5:37
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:50
6:49
6:49
6:47
6:47
6:46
 mm
2
1
8
5
16
2
Temp °C
30
31
29
30
30
29
30
30
29
30
30
27
28
29
27
29
30
28
29
30
29
Feels °C
32
33
34
34
33
34
34
32
34
34
33
29
30
31
32
32
33
32
33
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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