Surf Forecasts:
The Tree surf forecast from 11 Aug 2026:
- Best quality surf: Friday 14 Aug, 6PM (local time) - 3ft (0.9m), 18s period, SW swell with glassy winds.
- Most powerful swell: Friday 14 Aug, 9PM (local time) - 4.5ft (1.3m), 18s period, SW swell with 973 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 6PM (local time) - 2.5ft (0.8m), 14s period with SW swell.
Best Forecast Surf Conditions for The Tree this week:
The surf forecast for The Tree over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 6PM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.8m and 14s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at The Tree in the next 16 days are 1.3m 18s and forecast to arrive on Friday (Aug 14) at 9PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 18) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Tue 11th Aug) | 2.5ft (0.8m) 14s |
| Best Surf | 6PM (Fri 14th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 9PM (Fri 14th Aug) | 4.5ft (1.3m) 18s |
Table - best surf conditions forecast for The Tree over the next 16 days.
The Lowdown
Alright, let’s get into it. Over the next 16 days, the surf focus is pretty much locked on one spot: The Tree. It’s the only break showing up with any real form, and honestly, it’s got a decent run ahead. The water’s sitting at 87°, which is a touch warmer than normal for this time of year, so you won’t need a thick suit.
The action starts Tuesday morning, August 11th, with clean 2ft SW swell and glassy conditions – a nice, gentle start. Wednesday morning, August 12th, is similar, with 2ft SW swell and dead calm conditions. Thursday morning, August 13th, keeps that trend going with 2ft SW swell and glassy water.
Then things really start to build. Friday morning, August 14th, brings a jump to 3ft SW swell, with clean glassy conditions and moderate wave energy (837). Saturday morning, August 15th, is the standout of the whole period: 4ft SW swell, dead calm, and the energy is pumping at 1046. This is excellent for experienced surfers, a real session to aim for. Sunday, August 16th, still holds strong with 4ft SW swell and clean conditions from a cross-off wind. Monday, August 17th, keeps the 3ft SW swell going with glassy conditions.
The second week tapers off a bit, but there are still solid morning windows. Tuesday, August 19th, and Wednesday, August 20th both offer clean 2ft to 3ft SW swell mornings. The weekend of August 22nd-23rd sees smaller SW swell around 2ft, but with glassy conditions, it’s still worth a paddle. The very end of the run, around August 26th, shows a little bump back up to 3ft SW swell, but with cross-shore wind, so it’s a bit more marginal.
One thing to note: The Tree is a fairly consistent break, and with this swell direction coming from the SW, it’s ideally lined up. Crowds are possible here sometimes, but with the quality on offer, especially that Saturday morning, expect some company. The swell periods are mostly in the 14-18 second range, so it’s proper groundswell with good energy, and the longer gaps between sets will make paddling out a bit easier.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Wed afternoon. Warm (max 30°C on Tue morning, min 27°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 38mm), heaviest during Sat afternoon. Warm (max 29°C on Fri morning, min 25°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 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) | SW 14 | SW 18 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 206 | 319 | 144 | 211 | 206 | 155 | 137 | 111 | 369 | 623 | 686 | 951 | 909 | 803 | 773 | 535 | 528 | 466 | 371 | 377 | 313 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross-off | glassy | on | glassy | glassy | cross-on | glassy | cross-off | cross-off | glassy | glassy | glassy | off |
High Tide | 1:20PM2.67m | 2:00AM2.59m | 2:17PM2.77m | 2:52AM2.77m | 3:08PM2.84m | 3:40AM2.89m | 3:56PM2.86m | 4:24AM2.95m | 4:41PM2.81m | 5:06AM2.93m | 5:24PM2.70m | 5:48AM2.84m | 6:07PM2.56m | ||||||||
Low Tide | 7:44PM0.21m | 8:05AM0.35m | 8:36PM0.09m | 8:59AM0.22m | 9:23PM0.01m | 9:48AM0.15m | 10:08PM0.00m | 10:35AM0.13m | 10:51PM0.06m | 11:20AM0.17m | 11:32PM0.17m | 12:03PM0.27m | 00:13AM0.32m | ||||||||
 |  |  | | |  | |  | | | | | | | | |  |  | | |  | |
 | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — |
 | — | 5:57 | — | — | 5:57 | — | — | 5:55 | — | — | 5:55 | — | — | 5:55 | — | — | 5:54 | — | — | 5:54 | — |
mm | — | 1 | — | — | 3 | 3 | — | — | — | — | — | — | — | 13 | 11 | 1 | 4 | 9 | — | — | — |
Temp °C | 30 | 30 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 26 | 26 | 27 | 25 | 27 | 27 | 27 |
Feels °C | 33 | 33 | 33 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 32 | 33 | 32 | 31 | 29 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 16 | S 9 | S 8 | S 8 | S 7 | S 8 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 206 | 241 | 144 | 211 | 76 | 80 | 93 | 70 | 61 | 623 | 686 | 951 | 909 | 803 | 773 | 535 | 528 | 466 | 149 | 118 | 86 |
Swell 2 Height (m) Direction Period (s) | S 9 | SW 18 | S 9 | S 9 | SW 16 | SW 16 | SW 15 | SW 14 | SW 19 | S 11 | S 12 | S 12 | S 12 | S 12 | S 11 | SSW 7 | SSW 7 | S 7 | SW 14 | SW 14 | SW 14 |
| kJ | 55 | 319 | 56 | 55 | 206 | 155 | 137 | 102 | 369 | 209 | 216 | 180 | 137 | 137 | 166 | 79 | 96 | 97 | 371 | 377 | 313 |
Swell 3 Height (m) Direction Period (s) | SW 19 | S 9 | SW 18 | SW 13 | SW 13 | S 15 | S 14 | SW 18 | SW 16 | SW 11 | SW 14 | — | — | — | — | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 |
| kJ | 88 | 53 | 109 | 106 | 82 | 110 | 96 | 111 | 159 | 5 | 206 | — | — | — | — | 59 | 37 | 37 | 20 | 18 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 155 | 0 | 0 | 71 | 0 | 0 | 136 | 0 | 0 | 155 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
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Information about the The Tree Surf forecast
The above surf forecast table for The Tree provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Tree can be found by selecting the local surf guide option on the grey menu. Our The Tree 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 Tree) 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 Tree 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 Golfo de Nicoya? If you are looking for accommodation near The Tree, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Tejar which is 45 km (28 miles) away. Other places in and around Golfo de Nicoya where you can find information about places to rent, and car hire include San Rafael Abajo which is 45 km (28 miles) away, Esparza, Chacarita and Quepos.
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