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: 21° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 21° 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: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 17° Celsius;
- • unsafe for novice surfers
- • paddle boarding/kayaking not recommended at any level
Tide: Next high tide (7.5m) at
Sunrise:
Sunset:
7 day forecast for Grandes Rocques (Beach)
| Time |
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 |
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
30%
|
40%
|
40%
|
50%
|
70%
|
80%
|
| Temperature |
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
15°
|
14°
|
| Wind direction and speed |
WSW
9
|
WSW
9
|
SW
8
|
SSW
8
|
S
8
|
S
9
|
SSE
10
|
S
11
|
S
13
|
SSE
15
|
SSE
17
|
SSE
20
|
| Wind gust (mph) |
12
|
12
|
10
|
11
|
12
|
14
|
16
|
19
|
22
|
25
|
30
|
32
|
| Visibility |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
85%
|
85%
|
86%
|
85%
|
85%
|
85%
|
85%
|
85%
|
85%
|
85%
|
87%
|
| UV | 8 | 8 | 7 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
| Wind direction and speed |
9
|
9
|
8
|
8
|
8
|
9
|
10
|
11
|
13
|
14
|
17
|
19
|
| Height of waves offshore (m) |
0.7
|
0.7
|
0.7
|
0.7
|
0.7
|
0.6
|
0.6
|
0.6
|
0.6
|
0.6
|
0.6
|
0.6
|
| Period of waves offshore (s) |
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
| 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%
|
80%
|
90%
|
70%
|
60%
|
30%
|
20%
|
20%
|
30%
|
20%
|
20%
|
40%
|
50%
|
40%
|
50%
|
40%
|
50%
|
50%
|
60%
|
70%
|
80%
|
80%
|
70%
|
60%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
14°
|
13°
|
13°
|
13°
|
14°
|
14°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
| Wind direction and speed (mph) |
SSE
21
|
SSE
23
|
SSE
23
|
SSE
22
|
S
20
|
S
19
|
SSW
18
|
SSW
18
|
SSW
18
|
SW
19
|
SW
18
|
SW
17
|
SW
16
|
SW
15
|
SSW
14
|
SSW
13
|
SSW
13
|
S
13
|
S
13
|
S
13
|
SSE
13
|
SSE
13
|
SSE
12
|
S
13
|
| Wind gust (mph) |
36
|
36
|
35
|
34
|
32
|
28
|
24
|
26
|
26
|
27
|
27
|
24
|
21
|
19
|
17
|
18
|
20
|
21
|
20
|
19
|
18
|
17
|
19
|
19
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
87%
|
88%
|
91%
|
90%
|
86%
|
85%
|
84%
|
83%
|
82%
|
79%
|
78%
|
77%
|
75%
|
75%
|
75%
|
75%
|
75%
|
76%
|
78%
|
81%
|
84%
|
87%
|
85%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 8 | 6 | 4 | 3 | 1 | 1 | 1 | 1 | - | - |
| Wind direction and speed (mph) |
21
|
22
|
23
|
22
|
21
|
20
|
19
|
19
|
20
|
20
|
19
|
18
|
18
|
17
|
16
|
15
|
14
|
14
|
14
|
13
|
13
|
14
|
14
|
14
|
| Height of waves offshore (m) |
0.6
|
0.7
|
0.7
|
0.8
|
0.8
|
0.9
|
0.9
|
1.1
|
1.3
|
1.5
|
1.5
|
1.5
|
1.4
|
1.3
|
1.3
|
1.3
|
1.2
|
1.2
|
1.2
|
1.2
|
1.2
|
1.2
|
1.1
|
1.1
|
| Period of waves offshore (s) |
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
9
|
9
|
9
|
9
|
9
|
9
|
9
|
| 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 |
50%
|
50%
|
40%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
18°
|
19°
|
19°
|
18°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
16°
|
16°
|
16°
|
14°
|
14°
|
| Wind direction and speed (mph) |
SW
13
|
WSW
13
|
WNW
14
|
WNW
16
|
WNW
16
|
W
17
|
W
20
|
W
22
|
W
21
|
| Wind gust (mph) |
17
|
19
|
19
|
22
|
23
|
25
|
31
|
30
|
27
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
86%
|
85%
|
83%
|
81%
|
84%
|
85%
|
85%
|
84%
|
| UV | - | - | - | 1 | 5 | 8 | 5 | 1 | - |
| Wind direction and speed (mph) |
14
|
13
|
13
|
14
|
16
|
18
|
20
|
21
|
20
|
| Height of waves offshore (m) |
1.1
|
1.1
|
1.2
|
1.3
|
1.4
|
1.5
|
1.4
|
1.5
|
2.0
|
| Period of waves offshore (s) |
10
|
10
|
11
|
11
|
11
|
10
|
10
|
10
|
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%
|
30%
|
50%
|
70%
|
60%
|
50%
|
20%
|
30%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
15°
|
| Wind direction and speed (mph) |
W
18
|
W
15
|
WSW
13
|
SW
14
|
SW
13
|
SW
13
|
WSW
14
|
W
15
|
| Wind gust (mph) |
25
|
23
|
23
|
21
|
17
|
16
|
20
|
21
|
| Visibility (description) |
VG
|
E
|
E
|
E
|
VG
|
VG
|
E
|
E
|
| Humidity |
83%
|
83%
|
84%
|
86%
|
86%
|
87%
|
86%
|
84%
|
| UV | - | - | 1 | 3 | 4 | 4 | 1 | - |
| Wind direction and speed (mph) |
18
|
15
|
13
|
14
|
12
|
12
|
15
|
15
|
| Height of waves offshore (m) |
1.7
|
1.5
|
1.2
|
1.0
|
0.8
|
0.7
|
0.7
|
0.7
|
| Period of waves offshore (s) |
9
|
8
|
8
|
8
|
8
|
8
|
8
|
8
|
| 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 |
30%
|
30%
|
30%
|
30%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
18°
|
19°
|
19°
|
18°
|
18°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
15°
|
16°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
WNW
15
|
WNW
15
|
WNW
15
|
WNW
16
|
WNW
16
|
WNW
19
|
WNW
19
|
WNW
17
|
| Wind gust (mph) |
20
|
19
|
21
|
21
|
22
|
24
|
24
|
23
|
| Visibility (description) |
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
83%
|
83%
|
81%
|
79%
|
79%
|
81%
|
80%
|
| UV | - | - | 1 | 5 | 8 | 5 | 1 | - |
| Wind direction and speed (mph) |
15
|
15
|
16
|
16
|
17
|
19
|
19
|
17
|
| Height of waves offshore (m) |
0.6
|
0.8
|
1.0
|
1.2
|
1.4
|
1.5
|
1.5
|
1.5
|
| Period of waves offshore (s) |
8
|
4
|
5
|
5
|
6
|
7
|
8
|
8
|
| 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%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
17°
|
| Wind direction and speed (mph) |
WNW
15
|
WNW
13
|
WNW
11
|
WNW
11
|
WSW
12
|
WNW
13
|
WNW
13
|
WNW
11
|
| Wind gust (mph) |
21
|
18
|
14
|
13
|
14
|
14
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
85%
|
87%
|
87%
|
86%
|
85%
|
86%
|
87%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
| Wind direction and speed (mph) |
15
|
13
|
11
|
11
|
12
|
13
|
13
|
11
|
| Height of waves offshore (m) |
1.4
|
1.3
|
1.2
|
1.1
|
1.0
|
1.0
|
1.1
|
1.0
|
| Period of waves offshore (s) |
8
|
8
|
8
|
8
|
8
|
8
|
8
|
5
|
| 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 |
10%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
18°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
| Feels like temperature (°C) |
17°
|
17°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Wind direction and speed (mph) |
WNW
10
|
WNW
10
|
WNW
10
|
WNW
11
|
WNW
12
|
WNW
13
|
WNW
14
|
W
13
|
| Wind gust (mph) |
14
|
12
|
12
|
11
|
14
|
16
|
18
|
19
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
88%
|
90%
|
92%
|
92%
|
90%
|
89%
|
87%
|
86%
|
| UV | - | - | 1 | 4 | 7 | 4 | 1 | - |
| Wind direction and speed (mph) |
10
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) | – | – | – | – | – | – | – | – |
| Period of waves offshore (s) | – | – | – | – | – | – | – | – |
| Direction of waves offshore |
–
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Saturday 19 July
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 19 July
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 19 July
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 19 July
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 20 July
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 20 July
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 20 July
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 20 July
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 21 July
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 21 July
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 21 July
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 21 July
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 22 July
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 22 July
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 22 July
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 22 July
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 23 July
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 23 July
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 23 July
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 23 July
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 24 July
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 24 July
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 24 July
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 24 July
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 25 July
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 25 July
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 25 July
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 25 July
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.