Surf Forecasts:
Rio Claro surf forecast from 23 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 3AM (local time) - 2.5ft (0.7m), 16s period, SW swell with glassy winds.
- Most powerful swell: Sunday 27 Sep, 12AM (local time) - 3.5ft (1.0m), 13s period, SW swell with 335 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 3AM (local time) - 2.5ft (0.7m), 16s 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 Wednesday (Sep 23) at 3AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 0.5m and 7s. 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 13s and forecast to arrive on Sunday (Sep 27) at 12AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 23rd Sep) | 2.5ft (0.7m) 16s |
| Best Surf | 3AM (Wed 23rd Sep) | 2.5ft (0.7m) 16s |
| Most Powerful | 12AM (Sun 27th Sep) | 3.5ft (1.0m) 13s |
Table - best surf conditions forecast for Rio Claro over the next 16 days.
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 29°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 37mm), heaviest during Fri night. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||||
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 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WNW 12 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 251 | 248 | 153 | 149 | 209 | 169 | 160 | 147 | 123 | 140 | 203 | 317 | 304 | 335 | 282 | 277 | 224 | 144 | 141 | 90 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross-on | cross-off | cross | cross-on | glassy | cross-on | on | cross | glassy | on | glassy | glassy | cross | glassy | glassy | cross-on | glassy |
High Tide | 00:11AM2.22m | 12:23PM2.31m | 00:56AM2.41m | 1:09PM2.45m | 1:34AM2.61m | 1:50PM2.60m | 2:10AM2.80m | 2:29PM2.73m | 2:45AM2.95m | 3:07PM2.82m | 3:21AM3.06m | 3:45PM2.87m | ||||||||
Low Tide | 5:51PM0.85m | 6:16AM0.94m | 6:39PM0.73m | 7:04AM0.76m | 7:19PM0.60m | 7:44AM0.57m | 7:57PM0.47m | 8:22AM0.39m | 8:33PM0.36m | 8:59AM0.24m | 9:09PM0.27m | 9:37AM0.13m | 9:46PM0.23m | |||||||
 |  |  |  |  | | | | | | | | | | | |  |  | | | |
 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — |
 | 5:30 | — | — | 5:30 | — | — | 5:29 | — | — | 5:28 | — | — | 5:28 | — | — | 5:27 | — | — | 5:27 | — |
mm | — | — | — | 1 | 6 | 4 | 3 | 5 | — | 2 | 30 | — | 1 | 1 | — | 2 | — | 1 | 5 | 5 |
Temp °C | 29 | 27 | 29 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 |
Feels °C | 32 | 32 | 32 | 33 | 32 | 33 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 30 | 33 | 32 | 30 | 33 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | WNW 12 | WNW 12 | WNW 11 | SSW 6 | SSW 6 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 251 | 248 | 153 | 149 | 209 | 169 | 155 | 147 | 123 | 49 | 47 | 317 | 304 | 335 | 282 | 277 | 224 | 144 | 141 | 90 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 6 | S 7 | S 8 | WNW 13 | SW 14 | SW 13 | S 7 | WNW 11 | SW 14 | SSW 6 | S 6 | SSW 6 | W 8 | W 10 | W 10 | W 9 | W 9 | WNW 12 |
| kJ | 32 | 29 | 22 | 27 | 30 | 99 | 160 | 142 | 35 | 123 | 203 | 55 | 30 | 29 | 33 | 68 | 68 | 60 | 57 | 89 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SSW 10 | W 6 | S 8 | WSW 5 | SW 13 | SW 13 | WNW 10 | WNW 11 | WNW 10 | WNW 11 | S 6 | S 11 | SW 16 | S 10 | S 10 | W 9 |
| kJ | 12 | 12 | 6 | 10 | 9 | 19 | 29 | 19 | 108 | 140 | 75 | 119 | 74 | 88 | 17 | 85 | 93 | 52 | 50 | 39 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 6 | WSW 4 | WSW 6 | — | — | — | — | — | WSW 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 10 | 5 | 18 | — | — | — | — | — | 13 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 283 | 0 | 0 | 35 | 0 | 27 | 35 | 0 | 50 | 171 | 3 | 0 | 316 | 0 | 0 | 79 | 0 | 0 | 90 | 0 |
Best forecast wave conditions in Golfo Dulce | ||||||||||||||||||||
Best forecast wave conditions in Costa Rica | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Claro surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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
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