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Surf Forecasts:
Cupecoy surfForecast / Saint Martin / Netherlands Antilles
48hr Weather and Surf, issued 1 am Saturday 21 Mar 2026 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
26.4° C
(Which is normal for this time of year)How big are the waves at Cupecoy today?
The current surf forecast for Cupecoy at 4AM is: 0.4m 14s primary swell from a North-northeast direction (forecast issued at 01:00am March 21). An open ocean swell of 1.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 1ft (0.3m) | 14s |
| Afternoon (21 Mar) | 1ft (0.3m) | 13s |
| Evening (21 Mar) | 1ft (0.3m) | 9s |
Table - waves today at Cupecoy. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 9 | 9 | 9 | 10 | 10 | 10 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 120 | 80 | 80 | 79 | 36 | 35 | 17 | 17 | 17 | 33 | 19 | 22 | 26 | 61 | 54 | 75 | 68 | 94 | 88 | 92 | 111 | 128 | 149 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass | cross- off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 9:48PM 0.36 | 8:48AM 0.24 | 10:50PM 0.38 | 9:09AM 0.22 | 11:51PM 0.38 | 9:07AM 0.20 | ||||||||||||||||||
Low Tide / height (m) | 4:09AM 0.18 | 3:05PM 0.06 | 5:27AM 0.20 | 3:46PM 0.03 | 7:27AM 0.20 | 4:33PM 0.02 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:23 | - |
 | | |  | | | | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 23 | 23 | 23 | 24 | 24 | 25 | 26 | 27 | 28 | 27 | 27 | 28 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
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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 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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