Surf Forecasts:
Morro Rock surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 11PM (local time) - 1.5ft (0.5m), 18s period, SW swell with glassy winds.
- Most powerful swell: Sunday 30 Aug, 2AM (local time) - 8ft (2.5m), 8s period, NW swell with 897 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 11PM (local time) - 1.5ft (0.5m), 18s period with SW swell.
Best Forecast Surf Conditions for Morro Rock this week:
The surf forecast for Morro Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 11PM. The primary swell is predicted to be 0.5m and 18s period with a secondary swell of 1.0m and 6s. Another secondary swell of 1.3m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Morro Rock in the next 16 days are 2.5m 8s and forecast to arrive on Sunday (Aug 30) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 18s period and expected on Saturday (Aug 29) at 5AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 23rd Aug) | 1.5ft (0.5m) 18s |
| Best Surf | 11PM (Sun 23rd Aug) | 1.5ft (0.5m) 18s |
| Most Powerful | 2AM (Sun 30th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Morro Rock over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s lined up for the next stretch.
To be straight with you, the next 16 days are a real struggle around here. The data shows a whole lot of poor surf conditions with no real rideable window. We’re looking at a long, dry gap with no recommendations on offer. The swell is there, but it’s mostly short-period windswell that’s accompanied by onshore or cross-onshore winds, which just tears it up. The water temp is sitting at 62°F, which is spot on average for this time of year, so no surprises there.
The only spot in the frame is Morro Rock. It’s a consistent, beginner-friendly break that’s fairly exposed to the NW. The optimum swell direction is NW, which matches what we’re seeing, but the problem is the wind. Starting Sunday the 23rd of August, we get a small 5 ft NW swell with a short period of 7 seconds, but it’s already blown out with onshore wind. The combined energy is weak at (266). Honestly, nothing worth paddling out for.
Monday the 24th and Tuesday the 25th stay poor – tiny swell with messy cross-onshore breezes. The energy is still weak, bouncing between (177) and (282). Wednesday the 26th through the end of the month sees a slight bump in size, with afternoons pushing 6 ft to 8 ft from the WNW, but the period stays short (6 to 8 seconds) and the wind is either onshore or cross-onshore. The energy climbs into moderate territory, up to (614) by the 31st, but the quality is junk – choppy and blown out.
Into September, it’s more of the same. Morning sessions on the 1st have a 4 ft WNW swell with light wind, but it’s still rated poor. The afternoons get bigger, 7 ft to 8 ft, but again with onshore wind and short period. The energy is moderate (493 to 540), but it’s not surfable. Even the 7th of September, with a 3 ft NW swell and a slightly longer period of 10 seconds, the wind is still cross-onshore and choppy.
There’s no standout window here. If you’re a kite surfer, those big afternoon windswells with strong onshore winds might look interesting, but for a paddle surfer, it’s a blank run. This area can go through these quiet spells, and forecasts can change, so don’t lose hope, but right now, save your energy.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 17°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Wed morning, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | NW 7 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | WNW 6 | NW 7 | SW 16 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 8 | WNW 7 | WNW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 183 | 112 | 201 | 199 | 145 | 227 | 219 | 196 | 305 | 203 | 247 | 489 | 113 | 335 | 569 | 178 | 455 | 765 | 214 | 546 | 897 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on |
High Tide | 9:50AM1.10m | 8:05PM1.59m | 10:06AM1.15m | 8:44PM1.66m | 10:23AM1.20m | 9:19PM1.72m | 10:41AM1.26m | 9:51PM1.74m | 11:01AM1.33m | 10:24PM1.72m | 11:21AM1.40m | 10:58PM1.66m | 11:44AM1.47m | 11:35PM1.55m | |||||||
Low Tide | 2:02PM0.85m | 3:27AM0.01m | 2:40PM0.76m | 3:54AM-0.04m | 3:14PM0.67m | 4:19AM-0.06m | 3:47PM0.58m | 4:42AM-0.05m | 4:21PM0.49m | 5:05AM-0.02m | 4:56PM0.41m | 5:29AM0.06m | 5:34PM0.35m | ||||||||
 | |  | |  | | | | | | | | | | | | | | | | | |
 | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — |
 | — | 7:43 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 18 | 23 | 24 | 20 | 28 | 27 | 22 | 29 | 29 | 24 | 28 | 28 | 22 | 27 | 27 | 20 | 26 | 25 | 20 |
Feels °C | 26 | 24 | 18 | 22 | 22 | 19 | 26 | 24 | 20 | 27 | 26 | 22 | 25 | 25 | 20 | 24 | 24 | 18 | 23 | 22 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | SSW 13 | WNW 6 | S 14 | S 14 | WNW 6 | S 13 | S 13 | WNW 6 | SW 16 | SSE 12 | WNW 7 | S 12 | S 11 | WNW 7 | SSW 19 | SSW 19 | WNW 8 | SSW 17 | SSW 16 | WNW 8 |
| kJ | 83 | 65 | 47 | 206 | 203 | 43 | 171 | 125 | 117 | 203 | 119 | 203 | 177 | 166 | 236 | 441 | 475 | 302 | 689 | 590 | 336 |
Swell 2 Height (m) Direction Period (s) | S 16 | SW 18 | SSW 14 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SSE 13 | SW 16 | S 12 | SW 14 | SW 14 | S 11 | S 10 | S 10 | SSW 18 | S 10 | S 10 | SSW 16 |
| kJ | 131 | 112 | 215 | 199 | 145 | 227 | 219 | 165 | 159 | 137 | 155 | 177 | 103 | 103 | 116 | 75 | 50 | 759 | 29 | 16 | 724 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 16 | SW 18 | SSE 11 | WNW 11 | S 13 | WNW 10 | W 16 | S 12 | SSW 12 | W 13 | SW 15 | SSW 19 | SW 18 | SSW 17 | SW 13 | SW 13 | S 10 | — | — | S 9 |
| kJ | 62 | 84 | 201 | 11 | 12 | 126 | 10 | 45 | 78 | 48 | 55 | 174 | 142 | 85 | 193 | 44 | 43 | 45 | — | — | 15 |
Wind waves Height (m) Direction Period (s) | NW 7 | WNW 6 | NW 7 | WNW 8 | WNW 8 | NW 6 | WNW 6 | WNW 6 | NW 7 | WNW 6 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 8 | WNW 7 | WNW 8 | NW 8 |
| kJ | 183 | 65 | 131 | 75 | 100 | 104 | 53 | 196 | 305 | 90 | 247 | 489 | 113 | 335 | 569 | 178 | 455 | 765 | 214 | 546 | 897 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 112 | 115 | 0 | 144 | 123 | 4 | 123 | 170 | 4 | 114 | 115 | 4 | 112 | 115 | 4 | 121 | 129 | 4 | 123 | 200 | 4 |
Best forecast wave conditions in San Luis Obispo | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Morro Rock Surf forecast
The above surf forecast table for Morro Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Morro Rock can be found by selecting the local surf guide option on the grey menu. Our Morro Rock 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 (Morro Rock) 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 Morro Rock 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.
Morro Rock is 21 km (13 miles) from Atascadero. If you plan a vacation in San Luis Obispo, look for hotels and other accommodation in Atascadero. Atascadero has rooms for a wide range of budgets as well as car hire and transport links.
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