Surf Forecasts:
Rio Tulin surf forecast from 23 Aug 2026:
- Best quality surf: Saturday 29 Aug, 6AM (local time) - 3.5ft (1.1m), 17s period, SW swell with offshore winds.
- Most powerful swell: Saturday 29 Aug, 3PM (local time) - 4.5ft (1.3m), 16s period, SW swell with 823 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 9AM (local time) - 2.5ft (0.8m), 9s period with SSW swell.
Best Forecast Surf Conditions for Rio Tulin this week:
The surf forecast for Rio Tulin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 9AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.4m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rio Tulin in the next 16 days are 1.3m 16s and forecast to arrive on Saturday (Aug 29) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Thursday (Aug 27) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 23rd Aug) | 2.5ft (0.8m) 9s |
| Best Surf | 6AM (Sat 29th Aug) | 3.5ft (1.1m) 17s |
| Most Powerful | 3PM (Sat 29th Aug) | 4.5ft (1.3m) 16s |
Table - best surf conditions forecast for Rio Tulin over the next 16 days.
Short Range ForecastHeavy rain (total 25mm), heaviest during Tue afternoon. Warm (max 29°C on Sun morning, min 26°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 59mm), heaviest during Tue night. Warm (max 29°C on Fri morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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) | SSW 9 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 21 | SW 19 | SW 19 | SW 18 |
Wave Graph | |||||||||||||||||||
86 | 110 | 166 | 159 | 157 | 150 | 181 | 129 | 102 | 118 | 57 | 58 | 57 | 79 | 84 | 113 | 303 | 299 | 799 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | glassy | glassy | on | glassy | glassy | cross-on | off | cross-off | cross-on | glassy | cross-off | on | glassy | cross-off | on | glassy |
High Tide | 10:57AM2.09m | 11:49PM1.91m | 12:02PM2.14m | 00:49AM2.02m | 12:57PM2.24m | 1:36AM2.18m | 1:43PM2.35m | 2:16AM2.34m | 2:24PM2.46m | 2:52AM2.50m | 3:03PM2.55m | ||||||||
Low Tide | 4:36AM0.99m | 5:35PM0.82m | 5:46AM0.96m | 6:34PM0.74m | 6:46AM0.87m | 7:22PM0.62m | 7:35AM0.75m | 8:02PM0.50m | 8:18AM0.62m | 8:38PM0.40m | 8:57AM0.49m | 9:13PM0.32m | |||||||
— | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | |
— | — | 5:52 | — | — | 5:51 | — | — | 5:51 | — | — | 5:50 | — | — | 5:50 | — | — | 5:49 | — | |
mm | 1 | 1 | 3 | 9 | — | 4 | — | — | 7 | 16 | 3 | 9 | 10 | 1 | 6 | 8 | — | 6 | 1 |
Temp °C | 27 | 29 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 26 | 28 | 28 | 26 | 28 | 28 | 27 | 29 | 29 | 27 |
Feels °C | 27 | 33 | 33 | 33 | 33 | 32 | 33 | 33 | 33 | 30 | 31 | 31 | 30 | 32 | 32 | 31 | 32 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 8 | S 9 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 18 |
86 | 110 | 86 | 110 | 84 | 77 | 54 | 50 | 39 | 36 | 47 | 58 | 57 | 44 | 44 | 44 | 51 | 40 | 799 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 18 | SSW 15 | SW 15 | SW 16 | SW 19 | SW 6 |
78 | 79 | 166 | 159 | 157 | 150 | 181 | 129 | 102 | 118 | 57 | 57 | 54 | 79 | 84 | 109 | 245 | 299 | 58 | |
Swell 3 Height (m) Direction Period (s) | SSE 4 | SW 19 | SSW 13 | SSW 13 | SSW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SW 14 | SW 18 | SW 21 | SW 19 | SSW 14 | SW 14 |
2 | 96 | 69 | 67 | 60 | 37 | 36 | 35 | 25 | 12 | 12 | 11 | 10 | 54 | 81 | 113 | 303 | 121 | 116 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 2 | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 39 | 0 | 0 | 26 | 0 | 0 | 66 | 0 | 0 | 160 | 0 | 0 | 154 | 0 | 0 | 26 | 0 |
Best forecast wave conditions in Golfo de Nicoya | |||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Rio Tulin Surf forecast
The above surf forecast table for Rio Tulin provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rio Tulin can be found by selecting the local surf guide option on the grey menu. Our Rio Tulin 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 Tulin) 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 Tulin 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 Rio Tulin, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Tejar which is 42 km (26 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 44 km (27 miles) away, Quepos, Esparza and Chacarita.











