Surf Forecasts:
San Jose Rivermouth surf forecast from 5 Sep 2026:
- Best quality surf: Saturday 5 Sep, 8PM (local time) - 4.5ft (1.3m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 5 Sep, 11AM (local time) - 5ft (1.5m), 16s period, SSW swell with 1,040 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 8PM (local time) - 4.5ft (1.3m), 15s period with SSW swell.
Best Forecast Surf Conditions for San Jose Rivermouth this week:
The surf forecast for San Jose Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 8PM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 1.6m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at San Jose Rivermouth in the next 16 days are 1.5m 16s and forecast to arrive on Saturday (Sep 05) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Sep 07) at 2AM.
| Wave Type | Time (MST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 5th Sep) | 4.5ft (1.3m) 15s |
| Best Surf | 8PM (Sat 5th Sep) | 4.5ft (1.3m) 15s |
| Most Powerful | 11AM (Sat 5th Sep) | 5ft (1.5m) 16s |
Table - best surf conditions forecast for San Jose Rivermouth over the next 16 days.
The Lowdown
Alright, Rusty here again, giving you the same read in feet and Fahrenheit.
First up, we’ve got a long wait. The first week is all about small, lukewarm waves. The swell kicks off on Saturday the 5th of September with a 5-foot SSW swell at San Jose Rivermouth, but the wind is crossing up from the SSW, making it messy. The water is a balmy 88°, which is a massive 5° warmer than usual for this time of year – feels like a hot tub. The best of the early days is Sunday afternoon the 6th, when the wind goes offshore from the NW at 12 mph, cleaning up a 4-foot SSW swell. The period is a long 14 seconds, so it’ll have some push, but it’s not a big day.
The middle of the week shrinks right down. Tuesday morning the 8th is glassy with a 3-foot SSW swell, but it’s weak. You’ll be paddling for knee-high dribbles.
Then we hit a flat spell. From the 10th through the 18th, it’s a desert of 3-foot swells and onshore slop. The energy is in the low hundreds.
The real standout, the big one, is the weekend of the 20th of September. That’s a long way out, so keep it on your radar. Sunday the 20th has a solid 8-foot S swell with a 13-second period. The energy is enormous (2571). The afternoon has a clean cross-offshore breeze from the WSW at 9 mph. That’s expert-level surf. 8-foot waves at a river mouth with that much power and long period mean a serious current and a fast, hollow wave. Not for the faint of heart.
The day before, Saturday the 19th, has a much friendlier 3-foot SW swell in the afternoon with a light cross-offshore breeze and energy building to 1164. That’s a great option for the intermediate crew. The break is consistent, but it’s going to be busy.
So, the first ten days are a bust. The payoff is that big, powerful swell around the 20th. Mark your calendar, but be ready for a serious session if you paddle out on that Sunday.
Rusty.
Short Range ForecastHeavy rain (total 28mm), heaviest during Sun afternoon. Warm (max 32°C on Sat morning, min 27°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Thu afternoon. Warm (max 31°C on Tue morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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) | SSW 16 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 16 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1040 | 840 | 742 | 656 | 602 | 494 | 378 | 347 | 273 | 195 | 214 | 381 | 410 | 687 | 854 | 739 | 729 | 551 | 489 | 412 | 362 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | cross | off | off | on | cross-on | off | glassy | cross | off | cross-on | cross-off | off | cross-on | off | cross-off | cross-on | cross-off | cross-off |
High Tide | 3:10PM1.38m | 7:32AM1.20m | 5:00PM1.48m | 7:29AM1.29m | 6:03PM1.61m | 7:43AM1.39m | 6:51PM1.70m | 8:01AM1.48m | 7:32PM1.74m | 8:21AM1.56m | 8:09PM1.72m | 8:42AM1.62m | 8:44PM1.65m | ||||||||
Low Tide | 11:53PM0.31m | 11:25AM1.06m | 00:34AM0.18m | 12:18PM0.89m | 1:09AM0.11m | 12:58PM0.72m | 1:39AM0.09m | 1:34PM0.56m | 2:06AM0.12m | 2:08PM0.44m | 2:31AM0.20m | 2:41PM0.36m | 2:53AM0.31m | ||||||||
 |  |  | | |  | | | | |  |  | | | | | |  | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — |
mm | — | 5 | — | — | 12 | 2 | — | 3 | 6 | 1 | — | — | — | — | — | — | 7 | 4 | — | — | — |
Temp °C | 32 | 31 | 29 | 32 | 31 | 27 | 31 | 31 | 29 | 31 | 31 | 29 | 31 | 31 | 29 | 31 | 31 | 27 | 30 | 30 | 27 |
Feels °C | 36 | 33 | 32 | 36 | 36 | 29 | 35 | 35 | 33 | 35 | 34 | 33 | 35 | 34 | 33 | 35 | 35 | 30 | 34 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | WSW 11 | WSW 11 | WSW 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | SW 16 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SSW 14 |
| kJ | 520 | 527 | 452 | 444 | 476 | 441 | 326 | 255 | 244 | 158 | 154 | 381 | 410 | 687 | 854 | 739 | 729 | 551 | 489 | 412 | 362 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | W 10 | W 9 | W 9 | W 9 | W 9 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 1040 | 840 | 742 | 656 | 602 | 494 | 378 | 347 | 273 | 195 | 186 | 116 | 80 | 78 | 78 | 55 | 46 | 46 | 43 | 47 | 60 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | SW 16 | SSW 12 | S 8 | S 8 | S 8 | SSE 7 | W 9 | W 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 11 | 12 | 11 | 11 | 11 | 95 | 88 | 82 | 154 | 148 | 214 | 131 | 42 | 29 | 29 | 16 | 53 | 34 | 22 | 20 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | W 3 | WNW 3 | WNW 4 | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 3 |
| kJ | — | — | 5 | 7 | 16 | 34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 2 | 0 | 2 | 0 | 0 | 2 | 10 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 4 | 0 | 0 | 12 | 415 | 2 |
Best forecast wave conditions in Baja Sur | |||||||||||||||||||||
Best forecast wave conditions in Mexico | |||||||||||||||||||||
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Information about the San Jose Rivermouth Surf forecast
The above surf forecast table for San Jose Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at San Jose Rivermouth can be found by selecting the local surf guide option on the grey menu. Our San Jose 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 (San Jose 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 San Jose 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 Baja Sur? If you are looking for accommodation near San Jose Rivermouth, camping, hotels and holiday cottages in Baja Sur, consider staying in San Jose del Cabo which is 13 km (8 miles) away. Alternatively, find information about places to stay and car hire in Cabo San Lucas which is 16 km (10 miles) away
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