Crab Island Surf Break

Lat Long: 51.56° N 4.00° W

Crab Island 48 hour detailed Surf Forecast

Issued: 6 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Crab Island sea temperature is
19.0°C
3.1° 

Crab 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 Crab Island today (11 Sep):

  • Afternoon surf: Afternoon surf (11 Sep, local time) - 3.5ft (1.0m), 9s period with WSW swell.
  • Evening surf: Evening surf (11 Sep, local time) - 3ft (0.9m), 9s period with WSW swell.

The current surf forecast for Crab Island at 10PM is: 0.9m 9s primary swell from a West-southwest direction (forecast issued at 06:00pm September 11). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (11 Sep)--
Afternoon (11 Sep)3.5ft (1.0m)9s
Evening (11 Sep)3ft (0.9m)9s

Table - waves today at Crab Island. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 18°C on Sun morning, min 14°C on Fri night). Winds decreasing (fresh winds from the SW on Sat afternoon, light winds from the WSW by Sun night).

Fri
11
Saturday
12
Sunday
13
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
1
0
0
1
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)
1
WSW
9
0.9
WSW
9
0.9
WSW
9
0.9
WSW
8
0.7
WSW
8
0.6
WSW
8
1.2
WSW
5
1.4
WSW
6
1.7
WSW
6
1.7
WSW
7
1.7
WSW
7
1.8
WSW
7
1.6
WSW
7
1.4
WSW
7
1.1
WSW
7
1.1
WSW
10
1
WSW
10
0.9
WSW
10
0.9
WSW
10
Wave Graph
Metric surfscale
Energy kJ
169
137
131
96
70
51
74
140
245
265
289
312
247
183
125
240
201
163
163
Wind (km/h)
10
W
15
W
15
W
15
WSW
20
SW
25
SW
30
SW
35
SW
35
SW
30
SW
35
SW
25
WSW
20
W
20
W
10
W
15
W
20
WSW
15
WSW
10
WSW
Wind State
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
High Tide
7:36PM9.85m
7:58AM9.68m
8:13PM9.85m
8:32AM9.62m
8:46PM9.69m
Low Tide
1:23PM0.98m
1:50AM0.87m
1:58PM0.91m
2:22AM0.93m
2:30PM0.99m
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
clear
clear
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:40
7:37
7:36
 mm
3
4
3
Temp °C
16
15
14
14
14
15
16
17
17
17
17
17
17
16
17
18
18
17
16
Feels °C
14
13
12
12
11
11
11
12
12
13
13
14
15
15
17
17
16
16
16
  • 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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