Surf Forecasts:
Barron Rivermouth surf forecast from 3 Aug 2026:
- Best quality surf: Thursday 6 Aug, 11PM (local time) - 2ft (0.6m), 19s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 8 Aug, 11AM (local time) - 2.5ft (0.8m), 16s period, SW swell with 357 kJ wave energy.
- Next surfable swell (1★+): Monday 3 Aug, 5AM (local time) - 1.5ft (0.5m), 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 (Aug 03) at 5AM. The primary swell is predicted to be 0.5m and 13s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Barron Rivermouth in the next 16 days are 0.8m 16s and forecast to arrive on Saturday (Aug 08) at 11AM. 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 (Mon 3rd Aug) | 1.5ft (0.5m) 13s |
| Best Surf | 11PM (Thu 6th Aug) | 2ft (0.6m) 19s |
| Most Powerful | 11AM (Sat 8th Aug) | 2.5ft (0.8m) 16s |
Table - best surf conditions forecast for Barron Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for the next couple of weeks. It's a bit of a slow burn, so don't get your hopes up too high just yet.
The main story is that we're looking at a run of small, cleanish swell from the SW, but the onshore wind is going to be a real pain. The wave energy is weak to moderate at best, with readings in the low hundreds. For the most part, the conditions are just messy, with a lot of "poor" and "marginal" labels. The first real glimmer of hope comes in the second week. The water temp is about average for this time of year, nothing unusual there.
Barron Rivermouth is the only spot in the game. It's a fairly consistent point-and-river setup that likes a SW swell. The first few days, from Monday the 3rd through to the end of the first week, are a write-off. The swell is tiny, around 1 ft to 2 ft, and the wind is mostly cross or onshore, leaving it choppy and poor. Not worth a paddle.
We start to see a bit of life on Friday the 7th of August, with a 2 ft SW swell and a 18-second period. The energy is starting to build, hitting 296 (moderate), and the wind is offshore in the morning. It's still only a "marginal" forecast. Saturday the 8th and Sunday the 9th are similar, with the swell just under 2.5 ft. The wind is light cross-onshore, so it's not clean.
The real standout, the one you've been waiting for, is the morning of Friday, August 14th. It's not massive, but it's the best the whole window has to offer. We've got a 2 ft SW groundswell with a very long 18-second period. The combined energy is a solid 474 (moderate). But the headline is the wind: glassy, glassy, glassy. The report says "glassy" with a slight air. That's as good as it gets for clean conditions. A long period swell like this at a point break like Barron Rivermouth will have some real push and shape. The downside is the crowds can be "sometimes" an issue, so you'll want to be early. The afternoon gets blown out again with a 12 mph cross-onshore, so it's a morning-only mission.
The week after that, from the 15th, the swell hangs around the 2 ft to 3 ft mark, but the wind is messy again. Not worth the drive.
So, there you have it. A long wait for one clean, glassy morning on the 14th. That's your window. Don't sleep on it.
Short Range ForecastModerate rain (total 19mm), heaviest on Sun night. Warm (max 31°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Warm (max 30°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||||
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 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | WSW 14 | SW 20 | SW 13 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 108 | 104 | 106 | 66 | 73 | 72 | 54 | 54 | 40 | 60 | 88 | 114 | 215 | 194 | 297 | 254 | 357 | 287 | 209 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | on | cross-off | cross-on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | on | on | cross-off | cross-on | cross-on | cross-off |
High Tide | 10:30PM1.41m | 11:13AM1.51m | 11:15PM1.24m | 11:44AM1.51m | 00:21AM1.06m | 12:26PM1.50m | 3:15AM0.94m | 1:33PM1.47m | 3:16PM1.48m | 7:45AM1.21m | 4:50PM1.56m | ||||||||
Low Tide | 4:43AM0.49m | 5:29PM0.65m | 5:05AM0.63m | 6:34PM0.65m | 5:23AM0.78m | 8:18PM0.63m | 5:08AM0.93m | 10:34PM0.50m | 11:52PM0.32m | 11:02AM1.14m | 00:43AM0.15m | ||||||||
 |  |  |  | | | | | |  |  | | | | | | | | | |
 | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — |
 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — |
mm | 14 | 2 | — | 1 | 1 | — | 1 | — | — | — | — | — | 1 | — | — | 3 | — | — | 21 |
Temp °C | 27 | 29 | 31 | 29 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 29 | 30 | 30 | 29 |
Feels °C | 31 | 32 | 34 | 34 | 34 | 33 | 32 | 35 | 33 | 31 | 34 | 33 | 32 | 34 | 33 | 33 | 35 | 33 | 34 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 15 | SW 15 | SW 11 | SW 14 | SW 13 | SW 18 | SW 13 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 108 | 104 | 106 | 55 | 73 | 72 | 54 | 54 | 20 | 47 | 88 | 114 | 106 | 194 | 297 | 254 | 357 | 287 | 209 |
Swell 2 Height (m) Direction Period (s) | WSW 5 | WSW 5 | WSW 7 | WSW 5 | WSW 5 | SW 15 | SW 12 | SW 12 | WSW 14 | SW 20 | WSW 13 | SW 13 | SW 18 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 |
| kJ | 10 | 2 | 10 | 9 | 5 | 56 | 50 | 47 | 40 | 60 | 35 | 63 | 215 | 98 | 124 | 89 | 87 | 89 | 59 |
Swell 3 Height (m) Direction Period (s) | WSW 18 | W 8 | SW 16 | SW 16 | SW 16 | W 7 | WSW 4 | SSW 8 | SSW 8 | SW 11 | SW 20 | SW 13 | W 4 | S 7 | — | WSW 4 | SSW 8 | SW 23 | SW 24 |
| kJ | 31 | 4 | 66 | 66 | 64 | 1 | 4 | 7 | 14 | 19 | 60 | 44 | 3 | 4 | — | 2 | 12 | 21 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 5 | — | — | WSW 4 | — | W 4 | W 3 | — | — | SW 8 | — | — | — | — |
| kJ | — | — | — | — | — | 9 | — | — | 3 | — | 1 | 1 | — | — | 24 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 99 | 357 | 0 | 99 | 603 | 0 | 99 | 271 | 0 | 99 | 717 | 0 | 99 | 273 | 0 | 14 | 36 | 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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