Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Cupecoy surfForecast / Saint Martin / Netherlands Antilles
48hr Weather and Surf, issued 1 am Saturday 20 Dec 2025 ASTForecast update in hr min s Forecast update imminent
Cupecoy surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cupecoy sea temperature is
27.9° C
(Which is 1.0°C warmer than normal for this time of year)Nearby Cam: 4km away, Famous plane beach ✈️ - SXM Airport - Maho Beach Sint Maarten
How big are the waves at Cupecoy today?
The current surf forecast for Cupecoy at 5AM is: 0.9m 9s primary swell from a North direction and 0.3m 15s secondary swell from a North-northeast direction (forecast issued at 01:00am December 20). An open ocean swell of 1.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 3ft (0.9m) | 9s |
| Afternoon (20 Dec) | 1.5ft (0.5m) | 13s |
| Evening (20 Dec) | 3.5ft (1.1m) | 12s |
Table - waves today at Cupecoy. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 8 | 8 | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 97 | 99 | 125 | 119 | 116 | 111 | 186 | 373 | 320 | 331 | 319 | 265 | 231 | 218 | 180 | 176 | 169 | 175 | 126 | 121 | 119 | 92 | 88 | 121 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 9:20AM 0.37 | 9:58AM 0.37 | 10:34AM 0.38 | |||||||||||||||||||||
Low Tide / height (m) | 12:42AM 0.01 | 1:22AM 0.01 | 2:01AM 0.03 | |||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:39 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:40 | - | - | - | - | - | - | - | 5:42 | - |
 | |  |  | | | | | | | |  | | | | | |  | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 1 | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Feels °C (?) | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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 Cupecoy 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.
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