Fort Sebastian Surf Break

Lat Long: 4.98° N 1.64° W

Fort Sebastian 48 hour detailed Surf Forecast

Issued: 5 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fort Sebastian sea temperature is
24.8°C
0.3° 

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 (17 Sep):

  • Afternoon surf: Afternoon surf (17 Sep, local time) - 2.5ft (0.7m), 12s period with S swell.
  • Evening surf: Evening surf (17 Sep, local time) - 2ft (0.6m), 12s period with SSW swell.

The current surf forecast for Fort Sebastian at 8PM is: 0.6m 12s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a South direction, 1.1m 6s secondary swell from a South direction (forecast issued at 05:00pm September 17). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Sep)--
Afternoon (17 Sep)2.5ft (0.7m)12s
Evening (17 Sep)2ft (0.6m)12s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 26°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light.

Thu
17
Friday
18
Saturday
19
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)
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
12
1.1
S
6
0.6
SSW
12
1.1
S
6
1.3
SSW
6
1.3
SSW
6
1.4
SSW
6
1.4
SSW
7
1.5
SSW
6
1.4
SSW
6
1.3
SSW
6
1.5
SSW
6
1.5
SSW
6
1.5
SSW
6
1.5
SSW
9
1.4
SSW
9
1.1
S
9
1.1
S
9
1
S
9
Wave Graph
Metric surfscale
Energy kJ
137
94
104
97
125
125
149
158
186
145
123
150
151
146
336
281
185
185
153
Wind (km/h)
20
SW
15
SW
10
SW
15
SW
15
WSW
10
W
15
SW
25
SW
25
SW
20
SW
15
SW
15
WSW
15
WSW
10
WSW
15
WSW
20
SW
20
SW
15
SW
15
SW
Wind State
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
7:49PM1.08m
7:38AM1.16m
8:51PM0.99m
8:32AM1.08m
Low Tide
1:33PM0.41m
1:31AM0.60m
2:25PM0.49m
2:27AM0.70m
3:44PM0.55m
thunderstorm
rain showers
clear
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:04
 mm
2
1
1
Temp °C
26
25
24
24
24
23
25
26
25
24
24
24
23
23
25
25
25
24
24
Feels °C
27
27
27
26
26
26
26
26
24
24
26
26
24
25
26
26
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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