Surf Forecasts:
Dimas Rivermouth surf forecast from 21 Jul 2026:
- Best quality surf: Friday 24 Jul, 5AM (local time) - 3ft (0.9m), 24s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 25 Jul, 2AM (local time) - 4.5ft (1.4m), 21s period, SW swell with 1,868 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 2AM (local time) - 4.5ft (1.3m), 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 Wednesday (Jul 22) at 2AM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.2m and 8s. Another secondary swell of 0.5m and 4s 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 16 days are 1.4m 21s and forecast to arrive on Saturday (Jul 25) at 2AM. Winds are predicted to be offshore at the time the swell arrives.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 22nd Jul) | 4.5ft (1.3m) 14s |
| Best Surf | 5AM (Fri 24th Jul) | 3ft (0.9m) 24s |
| Most Powerful | 2AM (Sat 25th Jul) | 4.5ft (1.4m) 21s |
Table - best surf conditions forecast for Dimas Rivermouth over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 31°C on Tue afternoon, min 28°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 30°C on Fri morning, min 24°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 15 | SW 14 | SSW 14 | SW 12 | SW 12 | SW 10 | SW 10 | SW 26 | SW 24 | SW 24 | SSW 23 | SW 21 | SSW 21 | SW 19 | SW 19 | SSW 18 | SSW 18 | SW 18 | SW 18 | SSW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 516 | 482 | 607 | 349 | 540 | 180 | 160 | 329 | 278 | 563 | 362 | 1868 | 784 | 1100 | 1535 | 1104 | 1044 | 1263 | 1249 | 1498 | 1811 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | on | cross-on | glassy | cross-on | cross-on | cross-off | cross-on | cross-off | off | cross-on | on | glassy | on | on | cross-on | cross-on | cross-on | cross-off |
High Tide | 1:35PM1.38m | 2:36PM1.37m | 3:53PM1.38m | 8:33AM1.18m | 5:00PM1.43m | 8:21AM1.22m | 5:52PM1.51m | 8:30AM1.27m | 6:34PM1.59m | 8:46AM1.30m | 7:11PM1.66m | ||||||||||
Low Tide | 10:34PM0.72m | 11:45PM0.59m | 00:26AM0.47m | 11:24AM1.14m | 00:59AM0.36m | 12:18PM1.09m | 1:28AM0.26m | 12:52PM1.02m | 1:56AM0.19m | 1:22PM0.95m | 2:23AM0.14m | ||||||||||
 |  |  | | |  | |  | | |  |  | | | | | | | | | | |
 | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — |
 | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — |
mm | — | — | — | — | — | 1 | — | 1 | 1 | — | 15 | 1 | — | — | — | — | — | 5 | 2 | — | 15 |
Temp °C | 30 | 31 | 29 | 30 | 31 | 29 | 31 | 31 | 29 | 30 | 30 | 26 | 29 | 30 | 29 | 30 | 30 | 29 | 30 | 30 | 27 |
Feels °C | 33 | 32 | 31 | 34 | 33 | 32 | 35 | 34 | 34 | 33 | 33 | 29 | 33 | 33 | 34 | 34 | 33 | 34 | 33 | 32 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SSW 14 | SW 12 | SW 12 | SW 10 | SW 10 | SW 9 | SW 9 | SW 24 | SW 9 | SW 21 | SSW 21 | SW 19 | SW 19 | SSW 18 | SSW 18 | SW 18 | SW 18 | SSW 17 | SSW 17 |
| kJ | 516 | 482 | 607 | 349 | 540 | 180 | 160 | 119 | 95 | 563 | 67 | 1868 | 784 | 1100 | 1535 | 1104 | 1044 | 1263 | 1249 | 1498 | 1811 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | WSW 8 | SW 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 9 | SSW 12 | SW 12 | SW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | S 13 | WSW 5 | WSW 10 |
| kJ | 32 | 20 | 6 | 264 | 53 | 125 | 114 | 111 | 113 | 85 | 104 | 169 | 43 | 55 | 63 | 40 | 64 | 32 | 219 | 9 | 37 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | SW 8 | S 13 | WNW 4 | SW 19 | WSW 6 | SSW 26 | SW 26 | SW 24 | SSW 13 | SSW 23 | S 9 | SW 12 | SSW 12 | SSW 11 | SSW 11 | S 11 | S 11 | WSW 9 | SW 10 | W 10 |
| kJ | 26 | 15 | 14 | 3 | 59 | 10 | 66 | 329 | 278 | 111 | 362 | 25 | 71 | 55 | 74 | 24 | 63 | 37 | 44 | 26 | 50 |
Wind waves Height (m) Direction Period (s) | — | WNW 3 | WNW 4 | — | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 9 | 10 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 176 | 270 | 0 | 176 | 52 | 0 | 176 | 317 | 0 | 176 | 35 | 0 | 176 | 326 | 0 | 176 | 317 | 32 | 176 | 157 | 0 |
Best forecast wave conditions in Sinaloa | |||||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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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