St Joe s Island Surf Break

Lat Long: 27.84° N 97.04° W

St Joe s Island 48 hour detailed Surf Forecast

Issued: 12 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's St Joe s Island sea temperature is
29.8° C
1.1° 

St Joe s Island 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 Joe s Island today (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.7m), 4s period with SSE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 4s period with SSE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 3ft (0.9m), 4s period with SE swell.

The current surf forecast for St Joe s Island at 7AM is: 0.7m 4s primary swell from a South-southeast direction and 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 12:00am August 19). The wind direction is predicted to be cross-shore.

Time (CDT) & DateWave HeightWave Period
Morning (19 Aug)2.5ft (0.7m)4s
Afternoon (19 Aug)2ft (0.6m)4s
Evening (19 Aug)3ft (0.9m)4s

Table - waves today at St Joe s Island. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 29°C on Wed afternoon, min 28°C on Tue night). Mainly fresh winds.

Wednesday
19
Thursday
20
Friday
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSE
4
0.8
SSE
4
0.7
SSE
4
0.6
SSE
4
0.5
SSE
4
0.4
SE
7
0.9
SE
4
1
SE
4
1
SSE
5
1
SSE
5
0.9
SSE
5
0.9
SSE
5
0.8
SSE
5
0.8
SSE
5
0.9
SSE
5
1.1
SE
5
1.1
SSE
5
1.1
SSE
5
1
SSE
5
0.9
SSE
5
0.7
SE
5
0.7
SE
5
0.9
SSE
5
1.1
SSE
5
Wave Graph
Metric surfscale
Energy kJ
19
25
20
15
10
14
23
36
44
42
39
35
28
28
37
51
59
59
49
37
27
25
37
56
Wind (km/h)
30
S
25
S
25
S
20
S
20
SSE
25
SSE
30
SE
30
SSE
30
SSE
25
S
25
S
25
S
25
SSE
25
SSE
25
SE
30
SSE
30
SSE
30
S
25
S
15
S
20
SSE
25
SE
30
SE
30
S
Wind State
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:20PM0.45m
4:37AM0.42m
11:50PM0.47m
1:43AM0.47m
4:46AM0.45m
2:43AM0.50m
Low Tide
2:54AM0.41m
2:49PM0.09m
00:40AM0.47m
4:11AM0.45m
3:45PM0.07m
4:43PM0.06m
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:01
8:00
8:00
 mm
Temp °C
28
28
28
28
28
29
28
28
28
28
28
28
29
29
29
28
28
28
28
28
28
29
28
28
Feels °C
29
29
30
31
30
31
28
29
29
29
30
30
31
31
31
28
29
29
30
31
31
31
29
29
  • 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 

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