- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Scardog Reef surfForecast / Guanacaste / Costa Rica
16 Day Weather and Surf, issued 5 pm Monday 04 May 2026 CSTForecast update in hr min s Forecast update imminent
Scardog Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Scardog Reef sea temperature is
29.2° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Scardog Reef this week:
The surf forecast for Scardog Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 05) at 3AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.5m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Scardog Reef in the next 16 days are 1.4m 18s and forecast to arrive on Sunday (May 10) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (May 11) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 5th May) | 2.5ft (0.8m) 16s |
| Best Surf | 12AM (Sun 10th May) | 4.5ft (1.4m) 18s |
| Most Powerful | 12AM (Sun 10th May) | 4.5ft (1.4m) 18s |
Table - best surf conditions forecast for Scardog Reef over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Warm (max 31°C on Mon afternoon, min 27°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 31°C on Thu afternoon, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | Friday 8 | Saturday 9 | Sunday 10 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 20 | SW 17 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | |
111 | 163 | 306 | 134 | 355 | 505 | 553 | 489 | 346 | 293 | 331 | 212 | 168 | 245 | 309 | 334 | 1249 | 686 | 567 | 567 | 416 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross-off | glassy | cross-on | cross-off | cross-on | cross | cross-off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | on | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:25PM2.34m | 4:56AM2.11m | 5:03PM2.27m | 5:35AM2.04m | 5:41PM2.19m | 6:16AM1.97m | 6:22PM2.09m | 7:01AM1.91m | 7:06PM1.99m | 7:49AM1.88m | 7:55PM1.92m | 8:42AM1.89m | 8:53PM1.86m | 9:38AM1.96m | |||||||
Low Tide | 10:47PM0.28m | 10:52AM0.50m | 11:25PM0.35m | 11:31AM0.58m | 00:04AM0.43m | 12:11PM0.67m | 00:45AM0.53m | 12:56PM0.76m | 1:29AM0.61m | 1:47PM0.83m | 2:17AM0.67m | 2:47PM0.85m | 3:11AM0.70m | ||||||||
 |  |  | |  | | |  |  | | | | | | | | | | | | | |
 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 |
 | 5:55 | — | — | 5:55 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:57 | — | 5:57 |
1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 31 | 29 | 30 | 31 | 30 | 30 | 31 | 29 | 30 | 31 | 29 | 30 | 31 | 29 | 30 | 30 | 29 | 31 | 33 | 29 | 32 |
33 | 32 | 34 | 35 | 34 | 34 | 34 | 32 | 34 | 35 | 32 | 33 | 35 | 32 | 34 | 32 | 33 | 32 | 34 | 28 | 31 | |
Swell 1 Height (m) Direction Period (s) | S 10 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 17 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 45 | 163 | 306 | 134 | 355 | 505 | 553 | 489 | 346 | 293 | 331 | 212 | 168 | 245 | 122 | 334 | 1249 | 686 | 567 | 567 | 416 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 9 | SW 18 | S 8 | S 8 | NNE 4 | S 11 | SSW 15 | SSW 14 | S 12 | SSW 13 | S 12 | SW 18 | SW 17 | SSW 13 | SW 13 | SSW 12 | SSW 11 | S 12 | S 11 |
| kJ | 111 | 109 | 41 | 108 | 35 | 22 | 5 | 36 | 74 | 120 | 69 | 54 | 76 | 201 | 222 | 173 | 85 | 51 | 71 | 103 | 93 |
Swell 3 Height (m) Direction Period (s) | SW 16 | S 9 | SW 12 | S 9 | S 12 | S 12 | S 9 | NW 8 | S 10 | S 10 | SSW 13 | S 6 | SW 18 | S 5 | SW 20 | SW 13 | — | S 8 | SW 12 | — | SW 11 |
| kJ | 90 | 43 | 39 | 24 | 11 | 24 | 24 | 2 | 35 | 49 | 17 | 19 | 112 | 8 | 309 | 108 | — | 11 | 23 | — | 19 |
Wind waves Height (m) Direction Period (s) | SW 5 | N 6 | NNE 4 | SW 5 | — | NNE 4 | — | — | — | W 7 | — | NNE 3 | — | — | — | WSW 5 | — | NE 4 | NNE 4 | NE 4 | NNE 4 |
| kJ | 1 | 1 | 2 | 1 | — | 5 | — | — | — | 1 | — | 1 | — | — | — | 4 | — | 3 | 6 | 19 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 6 | 0 | 6 | 6 | 68 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 445 | 0 | 6 | 14 | 20 | 20 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Scardog Reef 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 Scardog Reef Surf forecast
The above surf forecast table for Scardog Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Scardog Reef can be found by selecting the local surf guide option on the grey menu. Our Scardog Reef 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 (Scardog Reef) 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 Scardog Reef 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.
Scardog Reef is 44 km (27 miles) from San Juan del Sur. If you plan a holiday in Guanacaste, look for hotels and other accommodation in San Juan del Sur. San Juan del Sur has rooms for a wide range of budgets as well as car hire and transport links.
Nearest