Cupecoy surfForecast / Saint Martin / Netherlands Antilles

information circle48hr Weather and Surf, issued 1 am Saturday 21 Mar 2026 AST
Forecast 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) & DateWave HeightWave 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
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
NNE
0.4
NNE
0.4
NNE
0.4
NNE
0.3
NNE
0.3
NNE
0.3
NNW
0.3
NNW
0.3
NNW
0.4
NNW
0.3
NNW
0.3
NNW
0.3
NNW
0.5
N
0.5
N
0.6
NNW
0.6
NNW
0.8
NNW
0.8
NNW
0.8
NNW
0.9
NNW
1
NNW
1.1
NNW
1
NNW
Period(s) (?)1414141414139991010101211101099988888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12080807936351717173319222661547568948892111128149140
Wind
(km/h)
25
ESE
25
SE
25
SE
25
SE
25
SE
20
SSE
15
SSE
10
S
10
S
5
SSW
5
SW
0
SSW
0
NNW
5
WNW
5
NNW
10
NNE
15
NE
10
ENE
10
ENE
15
ENE
10
NE
10
NE
15
NNE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
glassglassglassglassglasscross-
off
offoffoffoffoffoffoffoffoff
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-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C252525252525252525242424242525252525252525252525
Feels °C (?)232323242425262728272728272827262626262627272626
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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