St Martin Surf Break

Lat Long: 20.51° S 57.40° E

St Martin 48 hour detailed Surf Forecast

Issued: 3 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's St Martin sea temperature is
24.7° C
1.7° 

St Martin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at St Martin today (03 Aug):

  • Afternoon surf: Afternoon surf (03 Aug, local time) - 3.5ft (1.1m), 14s period with SW swell.
  • Evening surf: Evening surf (03 Aug, local time) - 2.5ft (0.8m), 16s period with S swell.

The current surf forecast for St Martin at 9PM is: 0.8m 16s primary swell from a South direction and 0.8m 14s secondary swell from a Southwest direction, 1.1m 8s secondary swell from a East-southeast direction (forecast issued at 03:00pm August 03). The wind direction is predicted to be cross-offshore.

Time (+04) & DateWave HeightWave Period
Morning (03 Aug)--
Afternoon (03 Aug)3.5ft (1.1m)14s
Evening (03 Aug)2.5ft (0.8m)16s

Table - waves today at St Martin. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 6mm), mostly falling on Tue morning. Warm (max 23°C on Mon afternoon, min 21°C on Mon night). Mainly fresh winds.

Mon
3
Tuesday
4
Wednesday
5
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
1
1
1
2
2
1
1
1
1
1
1
1
2
1
1
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
18
0.9
S
17
0.8
S
16
0.8
S
16
0.8
S
15
0.8
SW
13
0.8
SW
13
0.8
S
13
1.1
ESE
9
1.3
ESE
9
0.9
S
13
1.1
ESE
10
0.7
S
12
0.9
ESE
10
0.7
SSW
16
0.7
SSW
15
0.8
SSW
15
0.9
SW
15
0.9
SW
15
0.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
507
448
330
318
279
208
208
229
181
238
276
231
148
157
223
209
294
326
318
309
Wind (km/h)
30
ESE
30
E
25
E
25
E
20
E
20
E
20
ESE
30
E
35
E
30
E
25
E
25
E
25
E
20
E
20
E
25
E
35
E
30
E
25
ESE
25
ESE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
3:15PM0.71m
3:17AM0.67m
3:50PM0.68m
3:58AM0.60m
4:32PM0.64m
Low Tide
9:19PM0.19m
9:30AM0.15m
10:02PM0.22m
10:04AM0.21m
part cloud
cloud
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
1
1
1
1
1
Temp °C
24
23
22
22
22
21
22
22
23
23
22
22
22
21
21
23
23
23
22
22
Feels °C
22
20
19
19
21
20
21
19
19
20
19
20
21
20
20
21
19
20
19
20
  • 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
How to use the Wavefinder 

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 St Martin 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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