Surf Forecasts:
Barron Rivermouth surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 11PM (local time) - 3ft (0.9m), 17s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 9 Sep, 11PM (local time) - 3ft (0.9m), 17s period, SW swell with 505 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 11PM (local time) - 2.5ft (0.8m), 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 Monday (Sep 07) at 11PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.7m and 10s. 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 0.9m 17s and forecast to arrive on Wednesday (Sep 09) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Sep 12) at 8AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 7th Sep) | 2.5ft (0.8m) 13s |
| Best Surf | 11PM (Wed 9th Sep) | 3ft (0.9m) 17s |
| Most Powerful | 11PM (Wed 9th Sep) | 3ft (0.9m) 17s |
Table - best surf conditions forecast for Barron Rivermouth over the next 16 days.
The Lowdown
Righto, folks, Rusty here. Let’s talk about what’s cookin’ at Barron Rivermouth. This is a point and river mouth setup, pretty consistent, and it's got a good track record. The water is a proper warm 89°F right now, which is a couple of degrees toastier than normal for this time of year.
The outlook kicks off this Monday morning, September 7th, with a solid little SW groundswell. We’re looking at clean 3ft waves with a 14-second period, a fair bit of energy behind it (513). The wind is light and cross-offshore from the SE, so it’s going to be glassy. That’s the standout session of the whole run – proper good, clean, workable waves. This is a wave that’ll hold up nicely.
The afternoon turns ugly, though. The wind swings onshore from the WSW at 9 mph, and it’s game over. Tuesday morning, the 8th, is glassy again with a touch of East wind and 2ft swell, but it’s a drop in energy (318). Still, a good option if you’re keen. The afternoons are a write-off for the rest of the week, with onshore winds making a mess of things.
The morning sessions from Wednesday the 9th through to the following week are a real mixed bag. The swell hangs around 2ft to 3ft, and the period is solid, sometimes getting up to 19 or 20 seconds. That’s proper long-period groundswell, which means more energy and better shape, but it can make the take-off a bit tricky at a river mouth. The energy is moderate to strong (between 227 and 564), but the wind is often cross-on or on, making it a bit of a bumpy ride. The best of the mornings after that first Monday would be Saturday the 19th and Monday the 21st of September – the swell is 2ft to 3ft, with a very long period of 18 and 17 seconds, and the wind is light and onshore, or slightly cross. The water will still be warm, but the conditions are marginal. The crowds are a “sometimes” thing here, so you might have some company, but it’s not a zoo.
Honestly, the big standout is that Monday morning session. The rest of the 16-day window is a waiting game for a clean morning window, with the wind being the main spoiler. It’s not a big swell, so it’s fine for all levels.
Rusty.
Short Range ForecastHeavy rain (total 31mm), heaviest during Wed night. Warm (max 30°C on Mon afternoon, min 24°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Fri night. Warm (max 30°C on Thu afternoon, min 26°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
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 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | WSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 19 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 289 | 281 | 173 | 171 | 138 | 165 | 179 | 350 | 499 | 427 | 421 | 416 | 387 | 255 | 248 | 248 | 160 | 144 | 85 | 96 | 93 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-off | glassy | cross-on | cross-off | on | cross-on | glassy | cross | cross-on | off | cross-on | cross-on | off | cross-on | cross-on | off | cross | on | cross-off |
High Tide | 6:10PM1.60m | 7:52AM1.47m | 6:57PM1.70m | 8:10AM1.54m | 7:38PM1.75m | 8:29AM1.61m | 8:15PM1.74m | 8:48AM1.65m | 8:50PM1.67m | 9:06AM1.68m | 9:23PM1.57m | 9:24AM1.68m | 9:54PM1.43m | ||||||||
Low Tide | 12:36PM0.93m | 1:12AM0.12m | 1:11PM0.76m | 1:43AM0.10m | 1:44PM0.61m | 2:11AM0.14m | 2:16PM0.48m | 2:36AM0.23m | 2:47PM0.39m | 2:58AM0.34m | 3:17PM0.35m | 3:16AM0.47m | 3:46PM0.35m | 3:29AM0.60m | |||||||
 |  |  |  | | | | |  | | | | | | | | | | | | | |
 | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:12 | — | — | 6:10 | — | — | 6:09 | — |
mm | — | — | 16 | — | — | 2 | — | — | 13 | — | — | 3 | — | — | 5 | — | — | 2 | — | — | 4 |
Temp °C | 29 | 30 | 29 | 27 | 29 | 28 | 29 | 30 | 27 | 29 | 30 | 28 | 29 | 30 | 28 | 29 | 30 | 28 | 29 | 30 | 29 |
Feels °C | 33 | 34 | 33 | 32 | 32 | 31 | 33 | 31 | 31 | 33 | 33 | 32 | 33 | 33 | 31 | 33 | 32 | 31 | 33 | 33 | 34 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | WSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 289 | 281 | 173 | 171 | 138 | 165 | 163 | 350 | 499 | 427 | 421 | 416 | 387 | 255 | 248 | 248 | 160 | 144 | 85 | 84 | 82 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | SSW 8 | SW 12 | SW 12 | SW 12 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | WSW 6 | WSW 6 | SW 19 | SW 19 | SW 19 |
| kJ | 133 | 98 | 100 | 67 | 67 | 34 | 92 | 50 | 68 | 29 | 45 | 24 | 19 | 20 | 9 | 14 | 7 | 13 | 59 | 96 | 93 |
Swell 3 Height (m) Direction Period (s) | SW 19 | W 11 | SW 18 | SW 18 | SW 17 | SW 12 | SW 19 | SSW 8 | W 8 | W 8 | SW 11 | W 4 | SW 19 | SW 19 | SW 5 | SW 18 | SSW 8 | SSW 9 | WSW 6 | SW 16 | WSW 6 |
| kJ | 91 | 21 | 80 | 80 | 107 | 96 | 179 | 25 | 11 | 10 | 19 | 5 | 15 | 15 | 7 | 49 | 14 | 7 | 7 | 66 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | SW 4 | — | SE 3 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 10 | — | — | 2 | — | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 271 | 0 | 0 | 271 | 0 | 99 | 262 | 0 | 38 | 105 | 0 | 49 | 271 | 0 | 55 | 271 | 0 | 99 | 271 | 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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