Dimas Rivermouth Surf Break

Lat Long: 23.62° N 106.78° W

Dimas Rivermouth Surf Forecast and Surf Report

Issued: 4 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dimas Rivermouth sea temperature is
32.1°C
2.5° 

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 5 Sep 2026:

  • Best quality surf: Saturday 5 Sep, 11PM (local time) - 4.5ft (1.3m), 15s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Saturday 5 Sep, 2PM (local time) - 4.5ft (1.4m), 16s period, SSW swell with 933 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 11PM (local time) - 4.5ft (1.3m), 15s 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 (Sep 05) at 11PM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 1.1m and 10s. 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 16s and forecast to arrive on Saturday (Sep 05) 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 (Sat 5th Sep)4.5ft (1.3m) 15s
Best Surf11PM (Sat 5th Sep)4.5ft (1.3m) 15s
Most Powerful 2PM (Sat 5th Sep)4.5ft (1.4m) 16s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon night. Warm (max 31°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 30°C on Tue afternoon, min 25°C on Wed night). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
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
1
3
2
2
3
2
1
2
2
1
2
1
0
3
3
2
3
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
16
1.4
SSW
16
1.3
SSW
15
1.3
SSW
14
1.3
SSW
15
1.1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
13
0.9
SSW
13
0.8
SSW
13
0.6
SSW
16
0.6
SSW
16
0.7
SW
17
1
SW
17
1.1
SW
16
1
SW
16
1
SW
16
0.9
SSW
15
0.9
SW
15
0.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
933
921
665
647
656
508
425
378
277
273
195
175
175
291
587
587
489
489
387
309
301
Wind (km/h)
10
W
15
W
5
NNE
10
SSW
5
WSW
5
ENE
20
SE
15
SW
10
ENE
10
SE
5
S
5
NNE
5
WSW
15
NW
10
E
15
SE
15
SE
15
ESE
15
ESE
20
SSE
20
ESE
Wind State
on
cross-on
glassy
cross-on
on
off
cross-off
on
off
cross-off
cross-on
cross-off
on
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:11PM1.38m
7:39AM1.31m
5:07PM1.48m
7:40AM1.40m
6:10PM1.61m
7:54AM1.48m
6:58PM1.71m
8:11AM1.55m
7:39PM1.76m
8:30AM1.62m
8:16PM1.75m
8:49AM1.66m
8:51PM1.68m
Low Tide
11:56PM0.33m
11:55AM1.12m
00:38AM0.20m
12:37PM0.95m
1:13AM0.12m
1:12PM0.77m
1:44AM0.10m
1:45PM0.62m
2:12AM0.15m
2:17PM0.49m
2:37AM0.23m
2:48PM0.40m
2:59AM0.35m
part cloud
clear
thunderstorm
clear
clear
rain showers
thunderstorm
clear
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
thunderstorm
part cloud
rain showers
mod rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:50
5:50
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:20
6:19
6:17
6:16
6:15
6:15
 mm
4
1
2
8
9
1
1
9
14
Temp °C
30
31
29
30
31
29
29
30
28
28
30
28
30
30
29
26
28
26
26
26
26
Feels °C
33
33
33
33
34
34
31
33
33
31
33
32
34
33
32
28
29
29
28
26
29
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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