Dimas Rivermouth surfForecast / Sinaloa / Mexico

information circle16 Day Weather and Surf, issued 4 pm Thursday 21 May 2026 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
28.1° C
(Which is 2.1°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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 22) at 2AM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.7m and 14s. 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 17s and forecast to arrive on Monday (May 25) at 11AM. 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+) 2AM (Fri 22nd May)2ft (0.6m) 18s
Best Surf 5AM (Mon 25th May)3.5ft (1.1m) 16s
Most Powerful11AM (Mon 25th May)4.5ft (1.3m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 29°C on Thu afternoon, min 24°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 29°C on Mon afternoon, min 24°C on Sun night). Wind will be generally light.

Thu
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
2
0
0
2
0
0
2
0
0
2
1
0
2
1
0
2
0
0
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
15
0.6
SSW
18
0.8
SSW
15
0.8
SSW
15
0.7
SW
16
0.8
SSW
16
0.9
SW
16
0.7
SW
16
0.6
SSW
19
0.8
SSW
15
1
SSW
16
1.3
SSW
17
1.2
SSW
15
1.2
SW
15
1.2
SSW
15
1.2
SSW
15
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.8
SSW
13
Wave Graph
Metric surfscale
Energy kJ
334
207
249
279
255
322
367
245
243
279
499
986
608
649
616
584
431
316
312
290
229
Wind (km/h)
15
W
5
SE
15
SSW
10
WSW
5
NE
15
SSW
15
W
5
N
15
W
20
WNW
10
NNW
15
W
20
WNW
5
WNW
10
SW
15
W
5
ESE
10
SSW
15
W
5
N
10
W
on
glassy
cross-on
on
glassy
cross-on
on
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
glassy
cross-on
on
cross-off
on
High Tide
2:48PM1.17m
11:07PM1.35m
4:21PM1.24m
1:18AM1.17m
4:52PM1.32m
4:01AM1.13m
5:15PM1.41m
5:32AM1.18m
5:35PM1.48m
6:27AM1.25m
5:55PM1.55m
7:08AM1.30m
6:16PM1.61m
7:42AM1.34m
Low Tide
4:53PM1.15m
7:46AM0.53m
9:54PM1.13m
9:20AM0.63m
11:16PM0.92m
10:29AM0.69m
11:53PM0.73m
11:15AM0.74m
00:23AM0.56m
11:51AM0.78m
00:49AM0.41m
12:20PM0.82m
1:15AM0.29m
12:46PM0.85m
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:20
5:20
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:45
6:45
6:45
6:45
6:46
6:46
6:47
Temp °C
29
26
28
28
26
28
28
26
28
28
26
28
29
26
28
28
26
28
29
26
28
29
28
28
28
28
29
28
28
28
28
27
27
28
26
29
28
28
28
29
27
28
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
15
0.7
SSW
14
0.8
SSW
15
0.8
SSW
15
0.7
SW
16
0.8
SSW
16
0.9
SW
16
0.7
SW
16
0.7
SW
14
0.8
SSW
15
1
SSW
16
1.3
SSW
17
1.2
SSW
15
1.2
SW
15
1.2
SSW
15
1.2
SSW
15
1
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.8
SSW
13
Energy kJ
334
183
249
279
255
322
367
245
211
279
499
986
608
649
616
584
431
316
312
290
229
Swell 2
Height (m)
Direction
Period (s)
0.5
S
12
0.6
SSW
18
0.4
SW
18
0.5
WSW
6
0.4
SSW
10
0.4
SSW
10
0.4
SSW
9
0.4
SW
19
0.6
SSW
19
0.4
SSW
18
0.3
S
9
0.4
WNW
4
0.2
S
10
0.5
WNW
4
0.2
WSW
10
0.2
S
9
0.3
SW
9
0.4
SW
7
0.4
WSW
7
0.3
WSW
5
0.3
SW
16
Energy kJ
70
207
80
21
37
35
29
94
243
127
13
6
7
10
9
7
12
12
17
5
41
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
5
0.4
SW
6
0.1
SW
24
0.4
WSW
5
0.4
SW
6
0.2
SSW
21
0.4
WSW
4
0.3
SSW
9
0.3
SSW
9
0.1
S
8
0.1
S
8
0.1
S
9
0.2
S
8
0.2
S
9
0.1
SW
18
0.1
NW
5
Energy kJ
6
10
22
8
8
42
6
16
16
1
1
2
6
6
12
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
6
0.5
WSW
6
0.4
WSW
4
0.7
W
4
0.5
W
4
0.7
WNW
4
0.2
SSW
7
0.3
W
6
0.4
SW
7
Energy kJ
9
17
6
14
9
16
5
6
18
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
1
2
2
2
3
3
3
3
2
2
2
2
1
2
1
Distance (km)
315
0
176
347
0
176
342
0
176
272
30
176
315
7
176
315
0
176
307
0
176
Best forecast wave conditions in Sinaloa
Rating
(10 max)
2
2
2
3
3
2
2
Best forecast wave conditions in Mexico
Rating
(10 max)
2
2
2
2
2
3
2
2
3
3
3
4
3
3
3
3
3
2
2
2
2
Header Global
Rating
(10 max)
5
7
6
5
4
8
5
6
5
5
4
4
4
6
5
6
9
6
5
9
7
  • 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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