
Surf Forecasts:
Rio Claro surf forecast from 10 Aug 2026:
- Best quality surf: Friday 14 Aug, 3AM (local time) - 2ft (0.6m), 19s period, SW swell with glassy winds.
- Most powerful swell: Friday 14 Aug, 6PM (local time) - 3.5ft (1.0m), 18s period, SW swell with 595 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 12AM (local time) - 2.5ft (0.7m), 13s period with SW swell.
Best Forecast Surf Conditions for Rio Claro this week:
The surf forecast for Rio Claro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 12AM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rio Claro in the next 16 days are 1.0m 18s and forecast to arrive on Friday (Aug 14) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 10th Aug) | 2.5ft (0.7m) 13s |
| Best Surf | 3AM (Fri 14th Aug) | 2ft (0.6m) 19s |
| Most Powerful | 6PM (Fri 14th Aug) | 3.5ft (1.0m) 18s |
Table - best surf conditions forecast for Rio Claro over the next 16 days.
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 29°C on Sun afternoon, min 27°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 33mm), heaviest during Wed afternoon. Warm (max 29°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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 13 | SSW 13 | SW 12 | SSW 15 | SW 18 | SW 18 | SSW 16 | SSW 16 | S 15 | SW 15 | S 13 | S 8 | SW 16 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 |
Wave Graph | ||||||||||||||||||||
203 | 178 | 113 | 157 | 88 | 83 | 319 | 86 | 173 | 155 | 174 | 121 | 68 | 161 | 452 | 437 | 575 | 567 | 486 | 532 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | cross | cross-off | glassy | cross | cross-off | cross | cross | glassy | glassy | cross | glassy | glassy | cross | cross-off | glassy | cross-on | cross-off |
High Tide | 11:53PM2.39m | 12:13PM2.70m | 00:59AM2.58m | 1:17PM2.82m | 1:57AM2.79m | 2:13PM2.94m | 2:48AM2.97m | 3:03PM3.02m | 3:34AM3.10m | 3:51PM3.04m | 4:18AM3.15m | 4:35PM2.99m | ||||||||
Low Tide | 5:36PM0.52m | 5:55AM0.68m | 6:42PM0.38m | 7:03AM0.53m | 7:39PM0.22m | 8:02AM0.38m | 8:30PM0.09m | 8:55AM0.24m | 9:18PM0.02m | 9:43AM0.16m | 10:02PM0.01m | 10:29AM0.14m | 10:44PM0.08m | |||||||
— | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | 5:26 | — | — | |
5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:51 | — | — | 5:51 | — | — | 5:51 | — | — | 5:50 | — | |
mm | — | 1 | 2 | — | — | 1 | 5 | 6 | 2 | 6 | 3 | — | 2 | 2 | 1 | 6 | 8 | 5 | 4 | 14 |
Temp °C | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 27 | 29 | 29 | 27 | 29 | 29 | 27 | 29 | 28 | 27 | 28 | 27 | 25 |
Feels °C | 33 | 33 | 35 | 32 | 33 | 34 | 33 | 32 | 34 | 33 | 32 | 33 | 33 | 32 | 34 | 32 | 32 | 33 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SSW 13 | SW 12 | S 9 | S 8 | SW 18 | S 9 | S 9 | SSW 8 | S 7 | S 7 | S 8 | S 7 | SSW 12 | SSW 12 | SW 17 | SW 16 | SW 16 | SW 16 |
203 | 178 | 113 | 157 | 38 | 35 | 319 | 56 | 57 | 68 | 68 | 70 | 58 | 48 | 220 | 189 | 575 | 567 | 486 | 532 | |
Swell 2 Height (m) Direction Period (s) | S 10 | SSW 9 | S 9 | S 9 | SW 12 | SSW 12 | S 9 | SSW 16 | SSW 16 | S 15 | SW 15 | S 13 | SSW 13 | S 12 | SW 18 | SW 18 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
30 | 26 | 41 | 40 | 69 | 52 | 57 | 86 | 173 | 155 | 174 | 121 | 68 | 76 | 452 | 437 | 189 | 186 | 183 | 263 | |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 16 | SW 16 | SW 20 | SSW 15 | SW 18 | SSW 14 | SW 12 | S 16 | SW 16 | S 14 | SW 15 | S 12 | SW 16 | SW 11 | SW 14 | W 13 | — | — | W 12 |
18 | 43 | 67 | 15 | 88 | 83 | 81 | 35 | 126 | 64 | 99 | 77 | 48 | 161 | 5 | 74 | 3 | — | — | 3 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 12 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 293 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 204 | 0 | 0 | 35 | 0 | 0 | 35 | 0 | 3 | 180 | 0 | 0 | 35 | 0 | 0 | 35 | 0 | 0 | 35 | 0 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Rio Claro Surf forecast
The above surf forecast table for Rio Claro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rio Claro can be found by selecting the local surf guide option on the grey menu. Our Rio Claro 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 (Rio Claro) 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 Rio Claro 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 Dulce? If you are looking for accommodation near Rio Claro, camping, hotels and holiday cottages in Golfo Dulce, consider staying in Golfito which is 51 km (32 miles) away. Alternatively, find information about places to stay and car hire in Puerto Armuelles which is 82 km (51 miles) away











