Surf Forecasts:
Barron Rivermouth surf forecast from 7 Aug 2026:
- Best quality surf: Friday 7 Aug, 5AM (local time) - 2ft (0.6m), 13s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 11 Aug, 2PM (local time) - 2.5ft (0.8m), 18s period, SW swell with 375 kJ wave energy.
- Next surfable swell (1★+): Friday 7 Aug, 5AM (local time) - 2ft (0.6m), 13s period with SW swell.
Best Forecast Surf Conditions for Barron Rivermouth this week:
The surf forecast for Barron Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 07) at 5AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.4m and 18s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barron Rivermouth in the next 16 days are 0.8m 18s and forecast to arrive on Tuesday (Aug 11) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 7th Aug) | 2ft (0.6m) 13s |
| Best Surf | 5AM (Fri 7th Aug) | 2ft (0.6m) 13s |
| Most Powerful | 2PM (Tue 11th Aug) | 2.5ft (0.8m) 18s |
Table - best surf conditions forecast for Barron Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s talk about what’s happening at Barron Rivermouth.
We’ve got a pretty quiet outlook ahead. The swell is coming from the southwest, which is the optimum direction for this spot, but it’s small and lacking real punch for most of the period. There’s a lot of time where the wind is just messy, keeping things blown out. The water temperature is sitting right around average for this time of year, so nothing unusual there.
The first real glimmer of hope comes on Saturday, the 15th of August. Saturday morning is looking like the standout. We’ll have a glassy, clean surface, and the swell is a consistent 4 ft from the southwest. The combined energy is sitting at 584 (moderate) and the period is 16 seconds, which is a long-period groundswell. That means proper lines and shape, but at a river mouth, that long period can make things a bit too straight and fast. Still, with glassy conditions, it’s the best you’re going to get. The swell is manageable for most intermediates, not too big, not too small.
Before that, there’s a whole lot of nothing. The wind is mostly cross-onshore or onshore, chopping up the weak 2 ft to 3 ft swell. The only other session that might be worth a look is Saturday afternoon, the 15th, but the wind swings cross-onshore and kills it. The week before that is a write-off, with a solid gap of poor surf from the 7th right through until the 15th.
After the 15th, it drops back into the same pattern. Swell stays small, between 2 ft and 3 ft, and the wind stays cross-onshore from the west or northwest. There are a few mornings with marginal conditions and light cross-onshore winds, but nothing that’s going to get you excited. The Friday the 21st and Saturday the 22nd of August have some marginal energy, but it’s still small and lumpy. The long-range stuff is too uncertain to call.
So, to sum it up: Saturday morning, the 15th of August, is your one and only call. Get it while it’s glassy. The rest is a long, quiet stretch.
Rusty.
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat afternoon. Warm (max 30°C on Fri morning, min 24°C on Sat afternoon). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Mon night. Warm (max 30°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||
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 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 19 | SW 14 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 215 | 194 | 362 | 254 | 357 | 287 | 209 | 203 | 238 | 173 | 171 | 184 | 133 | 252 | 307 | 148 | 366 | 251 | 287 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-off | cross-on | off | cross-off | cross | cross-on | glassy | on | on | glassy | cross-on | cross-on | cross-off | cross-on | cross-on | cross-off |
High Tide | 3:16PM1.48m | 7:45AM1.21m | 4:50PM1.56m | 7:57AM1.31m | 5:58PM1.67m | 8:20AM1.39m | 6:52PM1.77m | 8:45AM1.45m | 7:39PM1.82m | 9:10AM1.50m | 8:21PM1.82m | ||||||||
Low Tide | 10:34PM0.50m | 11:52PM0.32m | 11:02AM1.14m | 00:43AM0.15m | 12:17PM1.04m | 1:25AM0.02m | 1:06PM0.92m | 2:03AM-0.04m | 1:48PM0.80m | 2:37AM-0.03m | 2:26PM0.70m | 3:08AM0.04m | |||||||
 |  | |  |  |  |  |  | | | | | | | | | | | | |
 | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — |
 | — | — | 6:43 | — | — | 6:42 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:39 | — |
mm | — | — | — | 1 | 1 | 19 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | 2 |
Temp °C | 28 | 30 | 30 | 28 | 30 | 30 | 26 | 29 | 29 | 28 | 29 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 28 |
Feels °C | 31 | 34 | 33 | 32 | 33 | 34 | 29 | 32 | 32 | 32 | 34 | 32 | 33 | 32 | 32 | 31 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 18 | SW 18 | SSW 12 | SW 16 | SW 16 | SW 16 |
| kJ | 83 | 194 | 362 | 254 | 357 | 287 | 209 | 203 | 238 | 173 | 171 | 168 | 121 | 252 | 307 | 101 | 366 | 251 | 287 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 22 | WSW 21 | SW 20 | SW 19 | SW 19 | SW 14 | SW 13 | SW 17 | SW 7 | SSW 7 | W 4 |
| kJ | 215 | 100 | 124 | 89 | 89 | 89 | 43 | 59 | 73 | 45 | 134 | 184 | 133 | 162 | 134 | 148 | 7 | 9 | 5 |
Swell 3 Height (m) Direction Period (s) | S 7 | SSW 7 | — | — | — | SW 23 | SW 24 | SW 21 | S 8 | W 4 | S 8 | — | SSW 8 | — | — | W 3 | WSW 13 | W 24 | SSW 6 |
| kJ | 4 | 5 | — | — | — | 21 | 22 | 18 | 4 | 1 | 5 | — | 6 | — | — | 2 | 17 | 11 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 3 | WSW 3 | — | — | SW 8 | — | — | — | NW 3 | — | W 3 | WNW 4 |
| kJ | — | — | — | — | — | — | — | 1 | 1 | — | — | 9 | — | — | — | 3 | — | 5 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 99 | 271 | 0 | 222 | 0 | 0 | 203 | 68 | 0 | 15 | 271 | 0 | 99 | 271 | 0 | 99 | 275 | 0 |
Best forecast wave conditions in Sinaloa | |||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||
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Information about the Barron Rivermouth Surf forecast
The above surf forecast table for Barron Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barron Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Barron 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 (Barron 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 Barron 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.
Are you planning a holiday in Sinaloa? If you are looking for accommodation near Barron Rivermouth, camping, hotels and holiday cottages in Sinaloa, consider staying in Mazatlan which is 16 km (10 miles) away. Other places in and around Sinaloa where you can find information about places to rent, and car hire include Escuinapa de Hidalgo which is 58 km (36 miles) away and El Salto, 99 km (61 miles) away.
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