Grandes Rocques (Beach) (Guernsey) weather
Find a forecast
Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.
- Head to a lifeguarded beach; check the RNLI lifeguarded beach tool
- Follow RNLI Float to Live advice if you find yourself struggling in the water
- Know what to do if you get caught in a rip current (RNLI)
- Check the tide times to avoid getting cut off by the tide coming in
- Call 999 and ask for the coastguard in an emergency
- Learn more about staying safe at the beach
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 15° Celsius;
- • only experts should take part in water activities
Tide: Next low tide (4.3m) at
Sunrise:
Sunset:
7 day forecast for Grandes Rocques (Beach)
| Time |
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|
| Weather symbols |  |
 |
|
 |
| Chance of precipitation |
<5%
|
10%
|
30%
|
70%
|
| Temperature |
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
12°
|
12°
|
13°
|
13°
|
| Wind direction and speed |
WSW
27
|
WSW
25
|
SW
23
|
SW
22
|
| Wind gust (mph) |
36
|
31
|
31
|
32
|
| Visibility |
E
|
E
|
E
|
VG
|
| Humidity |
85%
|
85%
|
85%
|
85%
|
| UV | - | - | - | - |
| Wind direction and speed |
28
|
25
|
23
|
22
|
| Height of waves offshore (m) |
2.1
|
2.0
|
1.9
|
1.8
|
| Period of waves offshore (s) |
10
|
10
|
10
|
10
|
| Direction of waves offshore |
|
|
|
|
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
 |
|
 |
|
 |
 |
|
|
|
 |
|
|
|
|
|
|
|
| Chance of precipitation |
80%
|
50%
|
20%
|
30%
|
40%
|
30%
|
30%
|
70%
|
90%
|
90%
|
80%
|
60%
|
40%
|
30%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SSW
23
|
SSW
26
|
SSW
29
|
SSW
30
|
SSW
30
|
SSW
30
|
SSW
30
|
SSW
29
|
SSW
29
|
SSW
28
|
SW
27
|
SW
28
|
SW
29
|
WSW
29
|
WSW
29
|
WSW
28
|
WSW
26
|
WSW
25
|
WSW
25
|
WSW
24
|
WSW
23
|
WSW
22
|
SW
21
|
SW
21
|
| Wind gust (mph) |
35
|
41
|
42
|
43
|
43
|
43
|
44
|
44
|
46
|
38
|
39
|
42
|
40
|
36
|
36
|
35
|
33
|
33
|
34
|
32
|
31
|
31
|
32
|
31
|
| Visibility (description) |
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
88%
|
87%
|
86%
|
86%
|
86%
|
85%
|
85%
|
85%
|
85%
|
85%
|
84%
|
82%
|
81%
|
81%
|
80%
|
77%
|
76%
|
75%
|
75%
|
75%
|
75%
|
75%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 4 | 6 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
| Wind direction and speed (mph) |
23
|
26
|
28
|
30
|
30
|
30
|
30
|
29
|
29
|
28
|
27
|
27
|
29
|
29
|
28
|
27
|
26
|
25
|
24
|
24
|
23
|
22
|
21
|
20
|
| Height of waves offshore (m) |
1.7
|
1.6
|
1.6
|
1.7
|
1.8
|
1.9
|
1.9
|
2.0
|
2.1
|
2.2
|
2.3
|
2.5
|
2.4
|
2.3
|
2.2
|
2.1
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
| Period of waves offshore (s) |
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
10
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
11
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
|
 |
| Chance of precipitation |
20%
|
70%
|
70%
|
30%
|
20%
|
20%
|
10%
|
30%
|
30%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
15°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
11°
|
13°
|
14°
|
14°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SW
20
|
SW
20
|
SW
23
|
WSW
24
|
WSW
22
|
WSW
20
|
W
19
|
W
18
|
W
17
|
| Wind gust (mph) |
32
|
36
|
39
|
35
|
30
|
27
|
27
|
27
|
25
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
E
|
| Humidity |
75%
|
76%
|
77%
|
72%
|
73%
|
74%
|
75%
|
75%
|
76%
|
| UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
20
|
20
|
23
|
25
|
22
|
20
|
19
|
19
|
17
|
| Height of waves offshore (m) |
1.9
|
1.9
|
1.7
|
1.8
|
2.3
|
2.4
|
2.1
|
1.9
|
1.9
|
| Period of waves offshore (s) |
11
|
11
|
11
|
10
|
10
|
10
|
11
|
11
|
11
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
17°
|
19°
|
18°
|
17°
|
15°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
16°
|
17°
|
18°
|
17°
|
15°
|
| Wind direction and speed (mph) |
W
15
|
W
15
|
W
13
|
W
11
|
W
10
|
W
7
|
WNW
4
|
SE
3
|
| Wind gust (mph) |
23
|
21
|
18
|
16
|
12
|
8
|
7
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
74%
|
70%
|
70%
|
67%
|
68%
|
67%
|
67%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
15
|
14
|
12
|
11
|
10
|
7
|
4
|
4
|
| Height of waves offshore (m) |
1.8
|
1.7
|
1.5
|
1.4
|
1.3
|
1.2
|
1.1
|
1.0
|
| Period of waves offshore (s) |
11
|
11
|
11
|
10
|
10
|
10
|
10
|
10
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
18°
|
20°
|
21°
|
20°
|
19°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
16°
|
17°
|
18°
|
17°
|
16°
|
| Wind direction and speed (mph) |
ESE
6
|
ESE
7
|
SE
10
|
SE
14
|
SE
15
|
SE
14
|
ESE
14
|
SE
16
|
| Wind gust (mph) |
14
|
17
|
19
|
19
|
18
|
20
|
23
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
78%
|
80%
|
75%
|
73%
|
67%
|
72%
|
76%
|
| UV | - | - | 1 | 3 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
6
|
8
|
10
|
14
|
15
|
13
|
13
|
15
|
| Height of waves offshore (m) |
0.9
|
0.9
|
0.8
|
0.8
|
0.8
|
0.7
|
0.7
|
0.8
|
| Period of waves offshore (s) |
10
|
10
|
9
|
9
|
9
|
9
|
9
|
9
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
19°
|
19°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
16°
|
16°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SE
16
|
SSE
16
|
SSE
17
|
S
18
|
SSW
17
|
SW
16
|
SW
16
|
SW
15
|
| Wind gust (mph) |
23
|
22
|
23
|
22
|
18
|
17
|
18
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
79%
|
85%
|
87%
|
88%
|
91%
|
88%
|
88%
|
86%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
| Wind direction and speed (mph) |
16
|
16
|
17
|
18
|
17
|
16
|
16
|
15
|
| Height of waves offshore (m) |
0.7
|
0.6
|
0.6
|
0.5
|
0.7
|
0.8
|
1.1
|
1.5
|
| Period of waves offshore (s) |
9
|
9
|
9
|
9
|
3
|
11
|
11
|
11
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
30%
|
40%
|
| Temperature (°C) |
17°
|
17°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SW
16
|
WSW
16
|
SW
17
|
SW
19
|
SW
21
|
SW
20
|
SW
21
|
SW
21
|
| Wind gust (mph) |
19
|
20
|
20
|
21
|
23
|
21
|
23
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
82%
|
80%
|
79%
|
77%
|
75%
|
75%
|
78%
|
| UV | - | - | 1 | 3 | 6 | 2 | 1 | - |
| Wind direction and speed (mph) |
16
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
1.5
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
10
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 2 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 3 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 4 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 5 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 6 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 7 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 8 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 8 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 8 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 8 September
Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.