Surf Forecasts:
Nosara Beach surf forecast from 21 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 12AM (local time) - 3.5ft (1.0m), 16s period, SW swell with glassy winds.
- Most powerful swell: Monday 21 Sep, 3PM (local time) - 3.5ft (1.0m), 17s period, SW swell with 582 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 12AM (local time) - 3.5ft (1.0m), 16s period with SW swell.
Best Forecast Surf Conditions for Nosara Beach this week:
The surf forecast for Nosara Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 23) at 12AM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 1.2m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Nosara Beach in the next 16 days are 1.0m 17s and forecast to arrive on Monday (Sep 21) 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 1.3m 7s period and expected on Saturday (Sep 26) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 23rd Sep) | 3.5ft (1.0m) 16s |
| Best Surf | 12AM (Wed 23rd Sep) | 3.5ft (1.0m) 16s |
| Most Powerful | 3PM (Mon 21st Sep) | 3.5ft (1.0m) 17s |
Table - best surf conditions forecast for Nosara Beach over the next 16 days.
Short Range ForecastHeavy rain (total 58mm), heaviest during Mon morning. Warm (max 28°C on Wed morning, min 24°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 36mm), heaviest during Fri night. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
AM | 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 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | W 11 | W 11 | W 11 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 679 | 582 | 443 | 498 | 421 | 480 | 339 | 309 | 301 | 293 | 246 | 313 | 302 | 297 | 346 | 492 | 478 | 444 | 431 | 374 | 315 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross | cross-on | glassy | glassy | cross-on | glassy | glassy | on | cross | cross | cross-on | cross | glassy | cross-on | glassy | cross-off | cross-off | cross-off |
High Tide | 10:09AM1.66m | 11:02PM1.57m | 11:18AM1.69m | 00:02AM1.68m | 12:15PM1.77m | 00:49AM1.82m | 1:03PM1.87m | 1:29AM1.98m | 1:46PM1.97m | 2:06AM2.13m | 2:25PM2.06m | 2:43AM2.25m | 3:04PM2.13m | ||||||||
Low Tide | 4:44PM0.71m | 5:05AM0.80m | 5:45PM0.65m | 6:07AM0.72m | 6:33PM0.57m | 6:57AM0.59m | 7:15PM0.47m | 7:39AM0.46m | 7:52PM0.38m | 8:19AM0.32m | 8:29PM0.29m | 8:57AM0.20m | 9:06PM0.22m | ||||||||
 |  |  |  |  | | | |  | | |  | | | | | |  | | | | |
 | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — |
 | — | 5:38 | — | — | 5:38 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:36 | — | — | 5:35 | — |
mm | 33 | — | 9 | 3 | 6 | 6 | — | 1 | — | 2 | 5 | 5 | 4 | 4 | 13 | — | 1 | 2 | — | — | — |
Temp °C | 25 | 26 | 26 | 27 | 25 | 25 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 29 | 29 | 27 |
Feels °C | 30 | 30 | 29 | 30 | 29 | 30 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 30 | 30 | 32 | 33 | 32 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 7 | WSW 8 | SW 15 | SW 15 | WNW 12 | WNW 12 | W 11 | W 11 | W 11 | S 7 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 679 | 582 | 443 | 498 | 421 | 131 | 117 | 309 | 301 | 192 | 246 | 313 | 302 | 297 | 134 | 492 | 478 | 444 | 431 | 374 | 315 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | SSW 6 | SW 6 | SW 16 | SW 16 | WSW 7 | WSW 7 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WNW 11 | SSW 6 | WNW 11 | W 10 | W 11 | W 12 | W 10 |
| kJ | 48 | 47 | 61 | 56 | 27 | 480 | 339 | 70 | 53 | 293 | 234 | 215 | 171 | 212 | 191 | 66 | 156 | 159 | 244 | 264 | 138 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | S 7 | SSW 10 | S 7 | S 7 | S 7 | WSW 7 | W 7 | S 7 | S 7 | SW 20 | SW 14 | WNW 11 | S 7 | SW 17 | SW 18 | SW 17 | SW 16 |
| kJ | 58 | 58 | 58 | 29 | 39 | 10 | 39 | 35 | 25 | 63 | 43 | 36 | 35 | 60 | 346 | 205 | 31 | 190 | 300 | 362 | 214 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | S 7 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 77 | 161 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 4 | 4 | 4 | 32 | 0 | 0 | 24 | 0 | 0 | 32 | 4 | 4 | 48 | 4 | 0 | 24 | 0 | 0 | 31 | 0 |
Best forecast wave conditions in Guanacaste | |||||||||||||||||||||
Best forecast wave conditions in Costa Rica | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Nosara Beach 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 Nosara Beach Surf forecast
The above surf forecast table for Nosara Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nosara Beach can be found by selecting the local surf guide option on the grey menu. Our Nosara Beach 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 (Nosara Beach) 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 Nosara Beach 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.
Nosara Beach is 33 km (20 miles) from Nicoya. If you plan a holiday in Guanacaste, look for hotels and other accommodation in Nicoya. Nicoya has rooms for a wide range of budgets as well as car hire and transport links.
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