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Surf Forecasts:

Dimas Rivermouth surfForecast / Sinaloa / Mexico

information circle12 Day Weather and Surf, issued 10 pm Monday 20 Oct 2025 MST
Forecast update in hr  min  s Forecast update imminent
Dimas Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dimas Rivermouth sea temperature is
30.3° C
 (Which is 1.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Dimas Rivermouth this week:

The surf forecast for Dimas Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 21) at 3AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.3m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dimas Rivermouth in the next 12 days are 0.9m 15s and forecast to arrive on Tuesday (Oct 21) at 12PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 21st Oct)2.5ft (0.8m) 14s
Best Surf 3AM (Tue 21st Oct)2.5ft (0.8m) 14s
Most Powerful12PM (Tue 21st Oct)3ft (0.9m) 15s

Table - best surf conditions forecast for Dimas Rivermouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 29°C on Tue afternoon, min 25°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Fri morning, min 24°C on Sat night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Mon
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
1
0
2
1
0
2
1
0
1
0
0
1
0
0
1
1
0
2
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.9
SSW
0.7
SW
0.7
SW
0.8
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.5
SW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.5
SW
0.4
SW
0.5
SW
0.6
SSW
0.6
SSW
0.7
SW
0.6
SSW
Period(s) (?)141515141313141414132020131818181818171817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2573342201912291581831831338599977012715582157214193312197
Wind
(km/h)
5
N
5
WSW
15
WNW
5
ENE
10
S
10
W
5
E
10
S
10
WSW
5
ENE
10
SW
10
WSW
5
NNE
5
W
15
WNW
10
N
10
W
15
WNW
10
N
5
W
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		oncross-
on		glasscrosscross-
on		cross-
off		crossonglassononcross-
off		oncross-
on		cross-
off		cross-
on		cross-
on		cross-
off		glasscross-
on
High Tide
/ height (m)
8:18PM
1.54
7:53AM
1.73
8:46PM
1.50
8:09AM
1.74
9:14PM
1.43
8:26AM
1.74
9:41PM
1.34
8:42AM
1.71
10:08PM
1.23
8:58AM
1.66
10:39PM
1.11
9:13AM
1.60
11:25PM
1.00
9:29AM
1.52
Low Tide
/ height (m)
1:56AM
0.60
2:27PM
0.19
2:12AM
0.66
2:51PM
0.17
2:27AM
0.73
3:16PM
0.19
2:41AM
0.78
3:42PM
0.25
2:51AM
0.83
4:11PM
0.34
2:56AM
0.88
4:47PM
0.45
2:44AM
0.93
5:37PM
0.56
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Mon
27
Sunrise-6:05--6:07--6:07--6:07--6:07--6:09--6:09-
Sunset--5:36--5:35--5:34--5:32--5:32--5:31--5:30
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C282829272829272829272828272828272728262627
Feels °C (?)303131293233323233323231313230293029262826
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for Sinaloa

  1. weather stationWind Update Continuing clean conditions at Dimas Rivermouth (calm at Mazatlan 57 km from Dimas Rivermouth). 0.6m 13s groundswell from the SSW with a 0.5m 5s windswell from the WNW and a 0.4m 16s long period groundswell from the SSW as well as a 0.3m 7s swell from the WSW. 4 swells combining to make bigger set waves.

    47 minutes ago Dimas Rivermouth
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dimas Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Dimas Rivermouth at:
surf-forecast.com

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 12 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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