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Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica
12 Day Weather and Surf, issued 5 am Friday 29 Aug 2025 CST
Best Forecast Surf Conditions for Rio Tulin this week:
The surf forecast for Rio Tulin over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 29) at 9PM. The primary swell is predicted to be 0.4m and 19s period with a secondary swell of 1.0m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rio Tulin in the next 12 days are 1.3m 14s and forecast to arrive on Thursday (Sep 04) at 6AM. 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+) | 9PM (Fri 29th Aug) | 1.5ft (0.4m) 19s |
| Best Surf | 6AM (Sat 30th Aug) | 2.5ft (0.8m) 18s |
| Most Powerful | 6AM (Thu 4th Sep) | 4.5ft (1.3m) 14s |
Table - best surf conditions forecast for Rio Tulin over the next 12 days.
Short Range Forecast Heavy rain (total 27mm), heaviest during Sat afternoon. Warm (max 28°C on Sat morning, min 25°C on Fri night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 35mm), heaviest during Mon night. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 20 | 19 | 18 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 14 | 16 | 16 | 16 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 230 | 247 | 455 | 514 | 643 | 629 | 696 | 607 | 637 | 523 | 506 | 575 | 527 | 614 | 383 | 399 | 491 | 546 | 644 | 549 | 709 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | glass | glass | on | glass | glass | on | glass | glass | cross- on | glass | glass | cross- on | cross- off | glass | on | cross- off | glass | cross | cross- off |
High Tide / height (m) | 6:45PM 2.24 | 7:01AM 2.38 | 7:27PM 2.08 | 7:44AM 2.24 | 8:16PM 1.94 | 8:36AM 2.13 | 9:19PM 1.85 | 9:40AM 2.07 | 10:34PM 1.83 | 10:51AM 2.08 | 11:45PM 1.93 | 11:57AM 2.17 | 12:42AM 2.10 | ||||||||
Low Tide / height (m) | 12:41PM 0.53 | 12:46AM 0.64 | 1:23PM 0.65 | 1:26AM 0.78 | 2:11PM 0.77 | 2:14AM 0.91 | 3:10PM 0.86 | 3:15AM 1.00 | 4:21PM 0.88 | 4:29AM 1.02 | 5:30PM 0.82 | 5:41AM 0.95 | 6:26PM 0.70 | ||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||
| Sunrise | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - |
| Sunset | - | 5:47 | - | - | 5:47 | - | - | 5:46 | - | - | 5:46 | - | - | 5:45 | - | - | 5:45 | - | - | 5:45 | - |
 | |  | | | |  | | |  | |  | | | | | | | | | | |
Rain (mm) | 2 | 4 | 4 | 1 | 7 | 4 | - | 3 | 2 | - | 10 | 10 | - | 4 | 3 | - | 3 | 5 | 4 | 4 | 1 |
| Temp. °C | 27 | 26 | 26 | 28 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 25 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 26 | 25 |
| Feels °C (?) | 30 | 29 | 31 | 31 | 30 | 30 | 32 | 30 | 32 | 31 | 32 | 28 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 29 | 29 |
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Recent Eyeball Surf Reports for Golfo de Nicoya
The wind is still offshore at Rio Tulin (light winds from the ENE at Juan Santamaria Airport 63 km from Rio Tulin). 0.9m 6s windswell from the SSW with a 0.6m 12s groundswell, also from the SSW and a 0.4m 18s long period groundswell, also from the SW. 3 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rio Tulin 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 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 12 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.
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