Fort Sebastian Surf Break

Lat Long: 4.98° N 1.64° W

Fort Sebastian 48 hour detailed Surf Forecast

Issued: 5 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fort Sebastian sea temperature is
25.0°C
0.2° 

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


How big are the waves at Fort Sebastian today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.1m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 4.5ft (1.3m), 7s period with SSW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 4.5ft (1.3m), 6s period with SSW swell.

The current surf forecast for Fort Sebastian at 11AM is: 0.7m 10s primary swell from a South-southeast direction and 0.3m 11s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a Southwest direction (forecast issued at 05:00am September 18). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (18 Sep)3.5ft (1.1m)7s
Afternoon (18 Sep)4.5ft (1.3m)7s
Evening (18 Sep)4.5ft (1.3m)6s

Table - waves today at Fort Sebastian. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 26°C on Fri morning, min 23°C on Fri night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
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)
1.1
SSW
6
1.1
SSW
6
1.1
SSW
7
0.9
SSE
10
1.3
SSW
7
1.5
SSW
6
1.3
SSW
6
1.5
SSW
6
1.5
SSW
6
1.5
SSW
6
1.4
SSW
9
1.1
S
9
1
S
9
1
S
9
1
S
9
1
S
9
1
S
9
1
S
9
1
S
9
0.9
SSE
9
0.7
S
12
1.2
S
11
1.3
S
11
Wave Graph
Metric surfscale
Energy kJ
104
108
111
135
154
144
127
156
151
153
295
185
153
158
153
157
162
162
165
135
135
357
426
Wind (km/h)
10
W
10
W
15
SW
25
SW
25
SW
20
SW
15
SW
15
WSW
15
WSW
15
WSW
15
WSW
15
SW
20
SW
15
SW
15
SW
15
WSW
10
W
10
W
15
WSW
20
SW
20
SW
15
WSW
15
WSW
Wind State
cross
cross
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
cross
cross-on
cross-on
cross-on
cross-on
High Tide
7:38AM1.16m
8:51PM0.99m
8:32AM1.08m
10:48PM0.96m
10:13AM1.03m
Low Tide
1:31AM0.60m
2:25PM0.49m
2:27AM0.70m
3:44PM0.55m
4:06AM0.77m
5:21PM0.54m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:04
6:02
 mm
Temp °C
23
23
26
26
26
25
24
23
23
23
25
25
25
24
24
24
23
23
25
26
25
24
24
Feels °C
26
26
28
26
25
26
26
24
25
24
27
26
26
25
26
26
25
26
26
27
26
25
26
  • 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 Fort Sebastian 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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