Surf Forecasts:
Barron Rivermouth surf forecast from 1 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 8PM (local time) - 5ft (1.6m), 12s period, SW swell with glassy winds.
- Most powerful swell: Friday 4 Sep, 5AM (local time) - 6ft (1.9m), 12s period, SW swell with 1,060 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 8AM (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 Tuesday (Sep 01) at 8AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.7m and 9s. 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 1.9m 12s and forecast to arrive on Friday (Sep 04) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Tuesday (Sep 01) at 11AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 1st Sep) | 2ft (0.6m) 13s |
| Best Surf | 8PM (Wed 2nd Sep) | 5ft (1.6m) 12s |
| Most Powerful | 5AM (Fri 4th Sep) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for Barron Rivermouth over the next 16 days.
The Lowdown
G'day, Rusty here. Let's get into what's brewing at Barron Rivermouth. It's a classic point and river setup, taking the southwest swell head-on.
There's a bit of a dry spell to kick things off. The first few days are a total mess with poor conditions, so don't bother paddling out until Wednesday the 2nd of September. That's when the first real chance shows up.
Wednesday the 2nd of September is the one to watch. The morning session is clean with a 5ft southwest swell, and the wind is offshore from the northeast at just 3 mph. That's as good as it gets. The wave energy is solid at 750 (moderate), and the period is 11 seconds, so you'll get some proper shape. The water temp is about normal for this time of year. This is the best on offer, hands down. Get out there early.
The swell builds through the rest of the week, but the wind turns onshore from the west and west-northwest, messing it up. Thursday and Friday see the swell hitting 5ft to 6ft, but with those cross-onshore winds, it's just a bumpy mess. The energy is strong (over 1000), but it's all for nothing.
The swell drops over the weekend, and things get quiet. Saturday the 5th of September has a 4ft swell with a very long 16-second period, which is a long-period groundswell. At a point, that could be a bit of fun, but the morning wind is onshore, so it's not a go.
Monday the 15th of September is another one to pencil in. The morning is glassy, with the wind from the southwest at 3 mph. The swell is tiny at 2ft, but it's a clean 16-second period groundswell, and the energy is still ticking over at 206 (moderate). The energy is weak, but glassy conditions on a point break with that long period? That's a recipe for some clean, little lines. The water temp is still about average for the time of year.
The rest of the second week is small and inconsistent, with just a few moments of clean conditions and not much push. The energy drops into the 100s (weak), so it's a longboard and a slippery suit kind of deal. Mostly, it's a waiting game for the next proper pulse.
If you're chasing the best wave, Wednesday morning the 2nd of September is the standout. Don't miss it.
Rusty.
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Warm (max 31°C on Tue afternoon, min 26°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Fri night. Warm (max 31°C on Fri afternoon, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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 | SSW 12 | SW 11 | SW 12 | SW 11 | SW 10 | SW 11 | SW 17 | SW 12 | WSW 12 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | WSW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 142 | 104 | 134 | 410 | 530 | 722 | 701 | 573 | 770 | 793 | 887 | 718 | 627 | 553 | 546 | 421 | 404 | 355 | 308 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | on | glassy | off | on | off | cross-on | cross-on | cross | cross-on | cross-on | cross | on | cross-on | cross | cross-on | cross | cross-off |
High Tide | 10:24PM1.37m | 10:21AM1.65m | 11:07PM1.19m | 10:48AM1.61m | 00:14AM0.99m | 11:20AM1.54m | 12:15PM1.43m | 3:12PM1.37m | 7:37AM1.29m | 5:07PM1.47m | |||||||||
Low Tide | 4:03AM0.59m | 5:06PM0.44m | 4:18AM0.73m | 6:04PM0.51m | 4:14AM0.86m | 7:50PM0.58m | 10:47PM0.49m | 11:55PM0.33m | 11:55AM1.10m | 00:38AM0.19m | |||||||||
 |  |  |  |  | |  | | | | | | |  | | | | | | |
 | — | 5:47 | — | — | 5:47 | — | — | 5:47 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — |
 | — | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — |
mm | 2 | 2 | — | 10 | — | — | — | — | — | 1 | — | — | 7 | — | — | 6 | — | — | 1 |
Temp °C | 29 | 30 | 31 | 29 | 28 | 30 | 29 | 30 | 31 | 29 | 30 | 31 | 29 | 30 | 31 | 29 | 30 | 31 | 27 |
Feels °C | 33 | 33 | 34 | 33 | 32 | 32 | 34 | 33 | 32 | 32 | 33 | 32 | 31 | 34 | 33 | 31 | 35 | 34 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 13 | SSW 12 | SW 11 | SW 12 | SW 11 | SW 10 | SW 11 | SW 10 | SW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 12 | WSW 10 | WSW 10 | WSW 10 | WSW 11 |
| kJ | 106 | 79 | 134 | 410 | 530 | 722 | 701 | 573 | 770 | 523 | 887 | 718 | 513 | 527 | 491 | 316 | 270 | 253 | 308 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 8 | SW 18 | SW 16 | SW 16 | SW 19 | SW 15 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 14 |
| kJ | 142 | 104 | 44 | 150 | 211 | 214 | 131 | 232 | 516 | 793 | 692 | 581 | 627 | 553 | 546 | 421 | 404 | 355 | 293 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | WSW 10 | W 11 | — | WSW 12 | SW 18 | WSW 10 | WSW 13 | — | — | WSW 15 | SW 21 | — | — | SW 20 | SW 20 | SW 20 |
| kJ | 52 | 80 | 111 | 18 | 9 | — | 46 | 266 | 10 | 101 | — | — | 42 | 18 | — | — | 15 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | — | SE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 99 | 271 | 0 | 0 | 302 | 0 | 99 | 273 | 25 | 99 | 271 | 25 | 99 | 271 | 25 | 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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