Surf Forecasts:
The Reef (Culebra) surf forecast from 9 Sep 2026:
- Most powerful swell: Wednesday 9 Sep, 2PM (local time) - 5.5ft (1.7m), 7s period, E swell with 282 kJ wave energy.
Best Forecast Surf Conditions for The Reef (Culebra) this week:
The most powerful waves expected at The Reef (Culebra) in the next 16 days are 1.7m 7s and forecast to arrive on Wednesday (Sep 09) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Thursday (Sep 10) at 11AM.
| Wave Type | Time (AST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Wed 9th Sep) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for The Reef (Culebra) over the next 16 days.
The Lowdown
Alright, grab your board, let's talk about what's happening at The Reef (Culebra). We've got a bit of a slow start here, so don't be in a rush to paddle out just yet. The water's sitting at a warm 85°, which is pretty average for this time of year, nothing wild there.
The next week and a half is looking pretty lackluster. We're staring at a whole lot of small, weak surf with fresh easterly breezes messing with the surface. For the most part, wave energy is in the low double digits, like 32, 37, and 59, which is really weak. There's a bit of a bump on Wednesday the 16th with some 4ft and 4ft waves from the east, which brings the energy up to 109 and 134, but the wind is just cross-shore and it's going to be lumpy. Not worth getting excited about, to be honest.
That flat spell runs right through the 20th, so it's a good week to work on your pop-up on land or fix that ding. The energy stays pitifully low, and we're not seeing any quality.
Now, let's talk about the light at the end of the tunnel. Around Monday the 21st, things start to shift. We've got a fresh swell from the north showing up. It's not massive, but it's something. Monday afternoon looks like the pick, with 4ft of north swell and a 9-second period. The combined energy jumps to a moderate 299, which is a big step up. And the wind, oh the wind, it finally eases off and goes cross-offshore, making for those clean, glassy conditions we've been craving. If you can only get out once, that's your window.
Tuesday the 22nd and Wednesday the 23rd still have some decent swell hanging around, with chest to head-high sets on offer. The energy stays moderate, around 203 and 192, and the wind is still favorable. It'll be worth a paddle.
One thing to note for the north swell arriving is that this is a reef break, which is a good thing. It should focus that energy nicely. It's not a beach break where a long period swell might get a bit straight. Get on it.
So, keep your eyes on the calendar. This week is a write-off, but next week has some real potential, especially that Monday afternoon. Later.
Rusty
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Warm (max 29°C on Wed afternoon, min 28°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Warm (max 29°C on Sat morning, min 28°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | E 6 | E 7 | E 6 | NNE 10 | E 8 | NNE 8 | E 8 | E 6 | E 7 | ENE 8 | ENE 8 | E 5 | E 5 | ENE 10 | E 5 | E 5 | ENE 9 | ENE 9 | ENE 8 | ENE 6 | E 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 235 | 269 | 236 | 31 | 257 | 24 | 35 | 100 | 113 | 22 | 70 | 62 | 53 | 32 | 49 | 55 | 16 | 88 | 14 | 36 | 59 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 7:49PM0.41m | 7:36AM0.32m | 8:26PM0.39m | 8:34AM0.36m | 9:00PM0.37m | 9:27AM0.39m | 9:31PM0.34m | 10:16AM0.40m | 10:01PM0.30m | 11:04AM0.40m | 10:29PM0.27m | 11:52AM0.39m | 10:58PM0.25m | ||||||||
Low Tide | 12:57PM0.05m | 2:17AM0.14m | 1:58PM0.07m | 2:48AM0.12m | 2:56PM0.09m | 3:18AM0.10m | 3:53PM0.12m | 3:47AM0.09m | 4:48PM0.14m | 4:17AM0.07m | 5:44PM0.16m | 4:48AM0.06m | 6:41PM0.17m | ||||||||
 |  |  | | | | | |  | |  | | | | | | |  | |  |  | |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — |
mm | 1 | — | 7 | 1 | — | 2 | 1 | — | — | — | 1 | 2 | — | 1 | 3 | 2 | — | — | — | — | 3 |
Temp °C | 28 | 29 | 28 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 26 | 28 | 27 | 28 | 29 | 29 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 11 | NNE 11 | NNE 10 | NNE 9 | NNE 8 | E 8 | N 8 | N 8 | ENE 8 | SE 6 | N 6 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | SE 6 | ENE 8 | SE 6 | ENE 8 |
| kJ | 30 | 30 | 23 | 31 | 29 | 24 | 35 | 23 | 11 | 22 | 30 | 7 | 31 | 32 | 29 | 16 | 16 | 20 | 14 | 36 | 13 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | N 10 | N 6 | NE 10 | N 13 | NNE 8 | ESE 8 | NE 9 | N 8 | N 7 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 7 | ENE 8 | NE 10 |
| kJ | 1 | 1 | 7 | 1 | 4 | 3 | 24 | 7 | 3 | 10 | 9 | 10 | 9 | 18 | 15 | 15 | 12 | 6 | 5 | 14 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | N 6 | — | — | — | ESE 8 | N 12 | N 12 | NE 11 | ESE 8 | N 14 | N 6 | N 13 | NNE 12 | NE 12 | NNE 11 | NNE 11 | NE 10 | N 7 | N 16 |
| kJ | — | — | 1 | — | — | — | 7 | 3 | 3 | 5 | 6 | 4 | 3 | 3 | 14 | 5 | 12 | 12 | 4 | 4 | 5 |
Wind waves Height (m) Direction Period (s) | E 6 | E 7 | E 6 | E 7 | E 8 | E 6 | E 6 | E 6 | E 7 | ESE 5 | ENE 8 | E 5 | E 5 | E 6 | E 5 | E 5 | E 5 | ENE 9 | E 5 | ENE 6 | E 5 |
| kJ | 235 | 269 | 236 | 247 | 257 | 134 | 101 | 100 | 113 | 48 | 70 | 62 | 53 | 60 | 49 | 55 | 70 | 88 | 62 | 36 | 59 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 79 | 204 | 422 | 79 | 79 | 79 | 878 | 79 | 98 | 520 | 796 | 422 | 487 | 871 | 98 | 487 | 796 | 77 | 763 | 796 | 149 |
Best forecast wave conditions in Puerto Rico | |||||||||||||||||||||
Best forecast wave conditions in Puerto Rico | |||||||||||||||||||||
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Information about the The Reef (Culebra) Surf forecast
The above surf forecast table for The Reef (Culebra) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Reef (Culebra) can be found by selecting the local surf guide option on the grey menu. Our The Reef (Culebra) 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 (The Reef (Culebra)) 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 The Reef (Culebra) 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.
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