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Dimas Rivermouth surfForecast / Sinaloa / Mexico

information circle12 Day Weather and Surf, issued 4 pm Saturday 16 Aug 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
31.1° C
 (Which is 1.4°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 Sunday (Aug 17) at 12AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.4m and 19s. Another secondary swell of 0.3m and 3s is also forecast. 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 1.1m 15s and forecast to arrive on Saturday (Aug 23) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (MST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 17th Aug)2.5ft (0.8m) 14s
Best Surf 9AM (Tue 19th Aug)3.5ft (1.0m) 16s
Most Powerful 3AM (Sat 23rd Aug)3.5ft (1.1m) 15s

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

Hourly12 Days
Sinaloa Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Light rain (total 2mm), mostly falling on Sat night. Warm (max 30°C on Mon afternoon, min 25°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Thu night. Warm (max 30°C on Tue afternoon, min 24°C on Thu night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
1
0
2
1
0
2
1
0
2
1
2
2
0
0
2
2
0
3
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
0.7
SSW
0.8
SSW
0.7
SW
0.7
SW
0.8
SSW
0.9
SSW
0.9
SSW
1
SSW
1
SSW
1
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.6
SW
0.9
SSW
0.9
SSW
0.9
SSW
1.1
SSW
0.8
SSW
Period(s) (?)141413131817161616161515141414171616151514
Wave
Graph
(?)Metric surfscale
Energy (?)371392334402469391400459440540463458369385364450507511470566445
Wind
(km/h)
15
WNW
10
NNE
5
SW
15
WNW
10
NE
5
WSW
15
WNW
5
NNE
10
W
15
WNW
5
N
5
SSW
5
NNW
10
E
10
S
15
SW
20
SE
5
SSW
10
SW
10
ESE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
off		cross-
on		cross-
on		offoncross-
on		glasscross-
on		cross-
on		glasscross-
on		glasscross-
off		cross-
on		oncross-
off		cross-
on		cross-
on		cross-
off		cross-
off
High Tide
/ height (m)
3:00PM
1.43
8:12AM
1.26
4:50PM
1.48
8:09AM
1.33
5:59PM
1.58
8:22AM
1.39
6:49PM
1.67
8:38AM
1.43
7:30PM
1.73
8:56AM
1.47
8:06PM
1.75
9:14AM
1.51
Low Tide
/ height (m)
10:41PM
0.51
11:59PM
0.35
11:33AM
1.18
12:47AM
0.22
12:32PM
1.07
1:24AM
0.12
1:11PM
0.94
1:57AM
0.08
1:43PM
0.83
2:25AM
0.09
2:14PM
0.72
2:50AM
0.14
Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Sunrise--5:43--5:43--5:43--5:43--5:45--5:45--5:45
Sunset6:38--6:37--6:37--6:37--6:36--6:35--6:34--
clearthunderstorm clearpart cloudthunderstorm clearpart cloudclearclearclearthunderstorm clearrain showersthunderstorm clearclearthunderstorm part cloudclearthunderstorm cloud
Rain (mm)
-1--1-----2-11--14--3-
Temp. °C292829292829302929302929302629302928292826
Feels °C (?)323033313133323233333233332933343431313228
  • 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

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 14s groundswell from the SSW with a 0.4m 7s swell, also from the SSW and a 0.4m 3s local chop, also from the W as well as a 0.3m 12s groundswell, also from the SW. 4 swells combining to make bigger set waves.

    1 hour 55 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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