St Martin Surf Break

St Martin 48 hour detailed Surf Forecast

Lat Long: 20.51° S 57.40° E

Issued: 3 am 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's St Martin sea temperature is
25.8° C

1.6°C warmer than normal for this time of year

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 (19 Jun):

  • Morning surf: Morning surf (19 Jun, local time) - 6ft (1.8m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Jun, local time) - 6ft (1.9m), 13s period with SSW swell.
  • Evening surf: Evening surf (19 Jun, local time) - 7ft (2.2m), 15s period with SSW swell.

The current surf forecast for St Martin at 11AM is: 1.9m 14s primary swell from a South-southwest direction and 0.6m 18s secondary swell from a South direction, 0.6m 7s secondary swell from a South-southeast direction (forecast issued at 03:00am June 19). The wind direction is predicted to be cross-onshore.

Time (+04) & DateWave HeightWave Period
Morning (19 Jun)6ft (1.8m)14s
Afternoon (19 Jun)6ft (1.9m)13s
Evening (19 Jun)7ft (2.2m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat night. Warm (max 24°C on Fri morning, min 21°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the SSW by Sat night).

Friday
19
Saturday
20
Sunday
21
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
3
1
1
1
1
2
3
3
4
4
4
4
3
2
2
2
0
0
0
0
0
0
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)
1.7
SSW
15
1.9
SSW
15
1.8
SSW
14
1.9
SSW
14
2.1
SSW
14
1.8
SSW
13
2.2
SSW
15
2.2
SSW
15
2.2
SSW
15
2.3
SSW
15
2.3
SSW
14
2.3
SSW
14
2.2
SSW
14
2.2
SSW
14
2.1
SSW
14
2
SSW
14
1.9
SSW
14
1.7
SSW
14
3
SSW
9
3.5
SSW
13
4
SSW
13
4
SSW
13
4
SSW
13
3.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
1310
1505
1374
1454
1657
1103
2348
2288
2169
2182
2152
2122
1929
1875
1672
1447
1322
1048
1141
4052
4607
4940
4908
4370
Wind (km/h)
10
S
15
S
15
SSE
15
SSE
15
SSE
15
SSE
10
SE
5
ESE
5
ESE
5
ESE
5
NE
0
SW
5
W
15
WNW
20
WNW
20
WNW
30
SSW
40
SSW
40
SSW
35
S
35
S
30
S
30
S
30
SSE
Wind State
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
glassy
glassy
glassy
glassy
cross-on
cross
cross
cross
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
3:04AM0.70m
4:16PM0.58m
3:49AM0.64m
5:07PM0.56m
4:39AM0.57m
6:05PM0.55m
Low Tide
9:51AM0.10m
9:52PM0.30m
10:37AM0.17m
10:50PM0.33m
11:26AM0.24m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
cloud
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
3
1
Temp °C
23
22
23
23
24
24
23
23
22
22
21
22
23
23
22
23
22
22
21
21
21
21
21
22
Feels °C
23
21
22
21
22
23
22
23
23
23
22
23
23
21
20
22
19
16
14
14
15
15
16
17
Swell 1
Height (m)
Direction
Period (s)
1.7
SSW
15
1.9
SSW
15
1.8
SSW
14
1.9
SSW
14
2.1
SSW
14
1.8
SSW
13
2.2
SSW
15
2.2
SSW
15
2.2
SSW
15
2.3
SSW
15
2.3
SSW
14
2.3
SSW
14
2.2
SSW
14
2.2
SSW
14
2.1
SSW
14
2
SSW
14
1.9
SSW
14
1.7
SSW
14
1.4
SSW
13
0.9
SW
16
0.5
SW
16
4
SSW
13
4
SSW
13
3.5
SW
14
Energy kJ
1310
1505
1374
1454
1657
1103
2348
2288
2169
2182
2152
2122
1929
1875
1672
1447
1322
1048
649
376
125
4940
4908
4370
Swell 2
Height (m)
Direction
Period (s)
0.5
SE
7
0.7
E
8
0.6
S
18
0.6
S
18
0.4
SE
7
1.3
SSW
16
0.3
ESE
7
0.7
E
8
0.6
E
8
0.6
E
8
0.6
E
8
0.3
SW
19
0.3
SW
19
0.5
E
7
0.4
SW
18
0.4
SW
18
0.4
SW
18
0.1
SE
9
1
SSW
16
0.3
E
8
0.2
ESE
8
0.3
E
10
0.3
E
10
0.3
E
10
Energy kJ
27
57
230
232
12
834
10
55
41
42
41
59
58
27
80
80
80
3
519
12
7
17
18
18
Swell 3
Height (m)
Direction
Period (s)
0.4
S
11
0.6
S
18
0.6
S
18
0.3
ESE
7
0.4
SE
7
0.3
SW
19
0.1
SW
20
0.4
SSW
17
0.3
S
18
0.5
E
7
0.2
ESE
9
0.2
ESE
9
0.1
E
9
0.2
ESE
8
Energy kJ
37
235
232
10
12
59
15
99
55
27
8
8
2
7
Wind waves
Height (m)
Direction
Period (s)
0.7
SSE
7
0.6
SSE
7
0.6
SSE
7
0.6
S
5
0.6
WNW
3
1.1
SW
5
2.4
SSW
8
3
SSW
9
3.5
SSW
13
4
SSW
13
2.3
S
13
Energy kJ
42
41
34
16
9
47
620
1141
4052
4607
1753
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
1
3
3
4
4
4
4
6
Distance (km)
4
17
4
4
4
4
4
4
0
0
0
0
31
31
31
31
1766
196
196
184
196
196
196
21
Best forecast wave conditions in Mauritius
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
6
Best forecast wave conditions in Mauritius
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
6
Header Global
Rating
(10 max)
5
5
6
6
6
6
4
4
4
4
5
5
4
6
5
5
8
9
9
9
8
8
7
7
  • 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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