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Surf Forecasts:
Dimas Rivermouth surfForecast / Sinaloa / Mexico
16 Day Weather and Surf, issued 10 am Thursday 21 May 2026 MSTForecast 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 Thursday (May 21) at 11PM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.6m and 18s. 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 onshore at the time the swell arrives.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 21st May) | 2.5ft (0.8m) 14s |
| Best Surf | 5AM (Mon 25th May) | 4ft (1.2m) 16s |
| Most Powerful | 11AM (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 ForecastMostly dry. Warm (max 29°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Mon afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 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 |  |  |  |  |  |  |  | ||||||||||||||
SSW 14 | SSW 15 | SSW 18 | SSW 15 | SSW 15 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 19 | SSW 15 | SSW 16 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | |
321 | 334 | 207 | 249 | 279 | 255 | 322 | 367 | 245 | 243 | 279 | 499 | 986 | 608 | 592 | 616 | 537 | 431 | 316 | 312 | 290 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | on | glassy | cross-on | on | glassy | cross-on | cross-on | cross | cross-on | cross-on | cross | on | cross-on | glassy | on | on | cross-off | cross-on | cross-on | cross-off | |
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 | ||||||||
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 | ||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 29 | 26 | 28 | 28 | 26 | 27 | 28 | 26 | 28 | 28 | 26 | 28 | 29 | 26 | 28 | 28 | 26 | 28 | 28 | 26 |
29 | 29 | 28 | 29 | 28 | 29 | 27 | 28 | 28 | 29 | 27 | 27 | 28 | 27 | 27 | 29 | 28 | 29 | 29 | 28 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 14 | SSW 15 | SSW 16 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 321 | 334 | 183 | 249 | 279 | 255 | 322 | 367 | 245 | 211 | 279 | 499 | 986 | 608 | 592 | 616 | 537 | 431 | 316 | 312 | 290 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | S 12 | SSW 18 | SW 18 | WSW 6 | SSW 10 | SSW 10 | SSW 9 | W 4 | SSW 19 | SSW 18 | S 9 | — | S 9 | SSW 8 | WSW 9 | S 8 | WSW 5 | WSW 7 | SW 6 | WSW 5 |
| kJ | 37 | 70 | 207 | 80 | 15 | 37 | 35 | 29 | 6 | 243 | 127 | 13 | — | 14 | 6 | 9 | 5 | 5 | 10 | 10 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 5 | WSW 6 | SW 24 | SW 5 | WSW 6 | SSW 21 | SW 19 | SSW 9 | SSW 9 | S 10 | — | WSW 5 | S 9 | SSW 7 | S 9 | S 9 | S 9 | SW 18 | — |
| kJ | — | — | 5 | 8 | 22 | 5 | 7 | 42 | 94 | 16 | 16 | 2 | — | 3 | 2 | 5 | 7 | 6 | 6 | 12 | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 6 | — | — | — | — | — | W 6 | W 4 | WSW 4 | W 4 | W 4 | WNW 4 | W 4 | — | — | WSW 5 | — | — | — | — |
| kJ | 2 | 7 | — | — | — | — | — | 16 | 9 | 6 | 15 | 9 | 7 | 6 | — | — | 6 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 176 | 315 | 0 | 176 | 342 | 0 | 76 | 342 | 30 | 176 | 272 | 30 | 176 | 315 | 0 | 176 | 342 | 0 | 176 | 307 | 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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