Surf Forecasts:
23 Beach surf forecast from 11 Sep 2026:
- Best quality surf: Thursday 17 Sep, 10PM (local time) - 4.5ft (1.4m), 10s period, NW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 1AM (local time) - 6ft (1.8m), 11s period, NW swell with 757 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 7AM (local time) - 4.5ft (1.3m), 8s period with NNE swell.
Best Forecast Surf Conditions for 23 Beach this week:
The surf forecast for 23 Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 7AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.8m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at 23 Beach in the next 16 days are 1.8m 11s and forecast to arrive on Friday (Sep 18) at 1AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (+01) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sat 12th Sep) | 4.5ft (1.3m) 8s |
| Best Surf | 10PM (Thu 17th Sep) | 4.5ft (1.4m) 10s |
| Most Powerful | 1AM (Fri 18th Sep) | 6ft (1.8m) 11s |
Table - best surf conditions forecast for 23 Beach over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’ve been staring at 23 Beach for the next couple of weeks. It’s not a banner run, but there are a few bright spots worth setting the alarm for.
Right now, through Sunday the 13th, the waves are small and messy. Friday morning, September 11th, there’s a 4ft NNW swell, but with a cross breeze and a short period of 7 seconds, it’s not worth rushing out. Saturday looks similar. Then Sunday morning the 13th changes the game: flat calm, glassy water, with a 3ft NNE swell and an 8-second period. The total energy is moderate at 210. This is your best early option: clean, forgiving for beginners, and crowds are only sometimes an issue.
Monday the 14th morning is the real standout. A 3ft NW groundswell hits with a long, juicy 12-second period and glassy conditions. Combined swell energy is a strong 377. For a beach break, that long period means more powerful waves with longer waits between sets—paddling out will be easier. The water temp is 73°, right around average for this time of year. Don’t miss that window.
Tuesday the 15th morning is tiny and glassy, only 3ft—better for a longboard.
We hit a lean stretch from Wednesday the 16th through Saturday the 19th. Most afternoons are blown out, but Thursday the 17th sees a chunky 6ft NW swell (cross-on wind) with energy at 653—that’s expert territory and the wind isn’t clean. Friday the 18th morning is glassy with 5ft NW swell at 10 seconds and energy at 450: a solid, clean session for experienced surfers.
Saturday the 19th morning is glassy but small at 3ft NNW. From the 20th through the 26th, it’s a long, slow slide into tiny surf and bad wind. Combined energy drops as low as 84 by the 26th. The morning of the 22nd has a weird 2ft NW swell with a very long 15-second period and energy at 309, but the cross-on breeze ruins it.
The only second-week hope is the morning of September 23rd: a 4ft NNW groundswell with 12-second period and energy at 480, but the cross-on wind keeps it marginal. It’s still the best of a weak batch.
To sum it up: Sunday morning the 13th for clean beginner waves, and Monday morning the 14th for the best combo of size, shape, and glass. Friday the 18th morning is another one for stronger surf. After that, it’s a slow fade with very few clean days.
Get on it early next week.
- Rusty
Short Range ForecastMostly dry. Warm (max 37°C on Sun morning, min 24°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 35°C on Mon morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | NNW 7 | NNW 8 | NNW 8 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 6 | NNW 7 | NNW 8 | NW 9 | NW 10 | NW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 131 | 150 | 138 | 169 | 113 | 158 | 130 | 84 | 183 | 287 | 268 | 182 | 137 | 106 | 64 | 63 | 196 | 383 | 653 | 461 | 757 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross-on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | cross | glassy | on | cross-on | cross-on | on | on | cross-on | on | on |
High Tide | 3:16PM3.83m | 3:38AM3.62m | 3:52PM3.81m | 4:11AM3.59m | 4:26PM3.70m | 4:44AM3.51m | 4:59PM3.53m | 5:16AM3.38m | 5:33PM3.31m | 5:49AM3.21m | 6:09PM3.06m | 6:27AM3.03m | 6:51PM2.82m | ||||||||
Low Tide | 9:31PM0.62m | 9:41AM0.72m | 10:05PM0.67m | 10:15AM0.77m | 10:38PM0.79m | 10:49AM0.88m | 11:09PM0.96m | 11:24AM1.04m | 11:41PM1.16m | 12:00PM1.24m | 00:15AM1.38m | 12:42PM1.46m | 00:56AM1.61m | ||||||||
 | |  | | | | | |  |  | | | | | | | | | | |  | |
 | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — |
 | — | 7:43 | — | — | 7:42 | — | — | 7:39 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 31 | 30 | 30 | 37 | 35 | 30 | 35 | 32 | 33 | 31 | 27 | 24 | 24 | 23 | 21 | 23 | 22 | 21 |
Feels °C | 25 | 26 | 27 | 29 | 29 | 29 | 35 | 32 | 29 | 34 | 30 | 33 | 31 | 28 | 26 | 24 | 22 | 22 | 22 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | NNW 7 | NNW 8 | NNW 8 | NNE 7 | NW 7 | NNE 7 | NNE 8 | NNE 8 | NNE 9 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 6 | NNW 7 | NNW 8 | NW 9 | NW 10 | NW 11 |
| kJ | 131 | 150 | 138 | 169 | 46 | 158 | 130 | 84 | 90 | 287 | 268 | 182 | 137 | 106 | 64 | 63 | 196 | 383 | 653 | 461 | 757 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNE 6 | NNW 7 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NW 13 | NNE 7 | NNE 6 | NNE 8 | NNE 7 | NNE 6 | WNW 9 | NE 5 | NW 11 | NW 10 | — | NNW 12 | — |
| kJ | 61 | 21 | 88 | 62 | 7 | 33 | 48 | 37 | 183 | 72 | 33 | 37 | 40 | 14 | 7 | 7 | 58 | 104 | — | 251 | — |
Swell 3 Height (m) Direction Period (s) | NNW 11 | — | NNW 10 | NNW 9 | WNW 11 | NW 10 | WNW 9 | NW 15 | NW 8 | NW 8 | — | — | — | — | N 6 | NW 11 | — | NW 14 | — | — | — |
| kJ | 24 | — | 10 | 16 | 11 | 25 | 32 | 56 | 32 | 18 | — | — | — | — | 1 | 44 | — | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 4 | — | — | NNE 7 | — | — | — | — | — | — | — | — | — | N 5 | — | — | — | — | — | — |
| kJ | — | 13 | — | — | 113 | — | — | — | — | — | — | — | — | — | 16 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 26 | 399 | 26 | 26 | 389 | 36 | 0 | 367 | 4 | 0 | 317 | 4 | 0 | 892 | 57 | 213 | 330 | 203 | 184 | 360 | 36 |
Best forecast wave conditions in Rabat to Casblanca | |||||||||||||||||||||
Best forecast wave conditions in Morocco | |||||||||||||||||||||
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Information about the 23 Beach Surf forecast
The above surf forecast table for 23 Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 23 Beach can be found by selecting the local surf guide option on the grey menu. Our 23 Beach 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 (23 Beach) 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 23 Beach 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.
23 Beach is 11 km (7 miles) from the city of Casablanca. If you plan a holiday in Rabat to Casblanca, look for hotels and other accommodation in Casablanca. Casablanca has rooms for a wide range of budgets as well as car hire and transport links.
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