Mangea Reefs (The Channel Island) Surf Break

Lat Long: 17.54° S 168.45° E

Mangea Reefs (The Channel Island) 48 hour detailed Surf Forecast

Issued: 4 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mangea Reefs (The Channel Island) sea temperature is
25.7° C
0.6° 

Mangea Reefs (The Channel 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 Mangea Reefs (The Channel Island) today (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 7ft (2.1m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 6ft (1.8m), 9s period with ENE swell.
  • Evening surf: Evening surf (20 Jul, local time) - 5.5ft (1.7m), 9s period with ENE swell.

The current surf forecast for Mangea Reefs (The Channel Island) at 7AM is: 2.1m 9s primary swell from a East-northeast direction and 0.7m 14s secondary swell from a Southeast direction (forecast issued at 04:00am July 20). The wind direction is predicted to be onshore.

Time (+11) & DateWave HeightWave Period
Morning (20 Jul)7ft (2.1m)9s
Afternoon (20 Jul)6ft (1.8m)9s
Evening (20 Jul)5.5ft (1.7m)9s

Table - waves today at Mangea Reefs (The Channel Island). (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 26mm), heaviest during Mon afternoon. Warm (max 25°C on Mon morning, min 20°C on Mon night). Winds increasing (light winds from the N on Mon morning, fresh winds from the SE by Wed afternoon).

Monday
20
Tuesday
21
Wednesday
22
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
1
2
3
3
1
0
2
1
0
1
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)
2.2
ENE
9
2.2
ENE
9
2.1
ENE
9
2.1
ENE
9
1.9
ENE
9
1.8
ENE
9
1.8
ENE
9
1.5
ENE
9
1.5
ENE
9
1.6
ENE
9
2
E
8
2
E
8
1.8
E
8
1.7
E
8
1.6
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.7
E
7
2
ESE
7
2
ESE
7
2.1
ESE
7
2.2
ESE
7
Wave Graph
Metric surfscale
Energy kJ
778
689
697
697
586
531
477
368
336
380
542
533
428
381
329
331
284
284
282
315
350
360
408
498
Wind (km/h)
25
NE
20
NNE
20
NNE
10
N
15
S
15
SSE
30
SE
30
SE
25
SSE
20
ESE
25
SE
25
SE
25
SE
30
ESE
30
SE
30
SE
30
SE
35
SE
35
SE
35
SE
35
SE
40
SE
40
SE
40
SE
Wind State
on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
9:37AM1.06m
10:26PM1.23m
10:53AM0.97m
11:17PM1.20m
12:19PM0.92m
Low Tide
3:49AM0.50m
3:44PM0.41m
4:58AM0.49m
4:37PM0.53m
6:09AM0.46m
5:38PM0.61m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:29
5:29
 mm
2
3
2
3
4
1
4
4
3
3
1
1
Temp °C
24
24
25
24
23
23
21
21
21
20
22
23
23
23
23
23
22
22
22
23
23
23
23
22
Feels °C
23
24
26
26
24
25
19
19
20
19
20
21
21
20
20
20
19
19
19
19
19
18
18
17
  • 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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