News
Wind and rain marking a change in the UK weather
Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.
Read moreAberffraw Bay (Traeth Mawr) (Beach) (Isle of Anglesey) 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: 29° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 14° Celsius;
Clear.
🏖️ Beach safety today:
Enjoy the beach but be aware that the wind may affect your control of direction
• Beginner paddleboarders/kayakers should go on the water with an instructor or a more experienced person
Tide: Next high tide (5.2m) at
Sunrise:
Sunset:
7 day forecast for Aberffraw Bay (Traeth Mawr) (Beach)
Today (12 August 2025)
| Time |
22:00
|
23:00
|
|---|---|---|
| Weather symbols |  |
|
| Chance of precipitation |
<5%
|
<5%
|
| Temperature |
21°
|
20°
|
| Feels like temperature (°C) |
20°
|
19°
|
| Wind direction and speed |
E
7
|
ESE
6
|
| Wind gust (mph) |
12
|
12
|
| Visibility |
M
|
M
|
| Humidity |
71%
|
76%
|
| UV | - | - |
| Wind direction and speed |
7
|
6
|
| Height of waves offshore (m) |
0.1
|
0.1
|
| Period of waves offshore (s) |
11
|
11
|
| Direction of waves offshore |
|
|
Wednesday (13 August 2025)
| 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
19°
|
19°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
| Feels like temperature (°C) |
19°
|
18°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
SE
6
|
S
7
|
SSW
8
|
SSW
9
|
SSW
9
|
SSW
9
|
SSW
10
|
SSW
10
|
SSW
11
|
S
11
|
SSW
11
|
SSW
11
|
SW
11
|
SW
12
|
SW
13
|
SW
14
|
SW
15
|
SW
15
|
SW
15
|
SSW
15
|
SSW
13
|
SSW
12
|
SSW
11
|
SSW
10
|
| Wind gust (mph) |
14
|
16
|
18
|
18
|
17
|
18
|
18
|
18
|
18
|
18
|
18
|
18
|
19
|
21
|
22
|
22
|
22
|
22
|
23
|
23
|
21
|
21
|
21
|
19
|
| Visibility (description) |
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
79%
|
85%
|
92%
|
97%
|
96%
|
95%
|
93%
|
92%
|
87%
|
84%
|
79%
|
77%
|
76%
|
74%
|
73%
|
71%
|
71%
|
73%
|
76%
|
84%
|
91%
|
92%
|
93%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 5 | 4 | 4 | 2 | 1 | 1 | 1 | - | - | - |
| Wind direction and speed (mph) |
6
|
7
|
8
|
9
|
10
|
10
|
10
|
10
|
10
|
11
|
11
|
11
|
11
|
12
|
13
|
14
|
15
|
15
|
15
|
14
|
13
|
12
|
11
|
10
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.2
|
0.2
|
0.3
|
0.3
|
0.4
|
0.4
|
0.4
|
0.4
|
0.4
|
0.5
|
0.5
|
0.6
|
0.6
|
0.7
|
0.7
|
0.7
|
0.7
|
0.7
|
0.7
|
| Period of waves offshore (s) |
11
|
11
|
11
|
11
|
11
|
11
|
7
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
4
|
4
|
4
|
4
|
4
|
4
|
5
|
5
|
5
|
5
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Thursday (14 August 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
16°
|
17°
|
16°
|
18°
|
19°
|
20°
|
18°
|
15°
|
| Feels like temperature (°C) |
15°
|
15°
|
16°
|
16°
|
17°
|
19°
|
19°
|
18°
|
16°
|
| Wind direction and speed (mph) |
SSW
10
|
SSW
10
|
SSW
10
|
SSW
9
|
SW
9
|
WSW
8
|
WSW
7
|
SW
6
|
SSW
4
|
| Wind gust (mph) |
19
|
19
|
18
|
16
|
17
|
15
|
13
|
11
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
93%
|
93%
|
94%
|
93%
|
85%
|
77%
|
73%
|
81%
|
96%
|
| UV | - | - | - | 1 | 3 | 6 | 4 | 1 | - |
| Wind direction and speed (mph) |
10
|
10
|
10
|
9
|
9
|
8
|
7
|
6
|
4
|
| Height of waves offshore (m) |
0.7
|
0.6
|
0.4
|
0.3
|
0.3
|
0.4
|
0.5
|
0.5
|
0.5
|
| Period of waves offshore (s) |
5
|
5
|
4
|
4
|
8
|
7
|
7
|
7
|
7
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Friday (15 August 2025)
| 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%
|
<5%
|
| Temperature (°C) |
15°
|
13°
|
14°
|
20°
|
23°
|
23°
|
20°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
20°
|
21°
|
21°
|
18°
|
15°
|
| Wind direction and speed (mph) |
SSE
3
|
E
3
|
NE
3
|
N
6
|
NNE
10
|
NE
12
|
NE
11
|
NE
9
|
| Wind gust (mph) |
7
|
6
|
10
|
17
|
19
|
21
|
18
|
18
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
97%
|
98%
|
98%
|
73%
|
59%
|
57%
|
66%
|
87%
|
| UV | - | - | 1 | 3 | 6 | 4 | 1 | - |
| Wind direction and speed (mph) |
3
|
3
|
3
|
6
|
10
|
12
|
11
|
9
|
| Height of waves offshore (m) |
0.5
|
0.4
|
0.4
|
0.3
|
0.3
|
0.3
|
0.3
|
0.2
|
| Period of waves offshore (s) |
7
|
6
|
6
|
6
|
6
|
6
|
6
|
6
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Saturday (16 August 2025)
| 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%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
23°
|
27°
|
27°
|
24°
|
19°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
23°
|
26°
|
26°
|
23°
|
18°
|
| Wind direction and speed (mph) |
NE
9
|
NE
5
|
NE
5
|
E
5
|
WSW
6
|
WNW
8
|
E
10
|
ENE
7
|
| Wind gust (mph) |
19
|
13
|
11
|
13
|
18
|
21
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
83%
|
84%
|
56%
|
41%
|
41%
|
53%
|
66%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
9
|
5
|
5
|
5
|
6
|
8
|
10
|
7
|
| Height of waves offshore (m) |
0.2
|
0.2
|
0.2
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
| Period of waves offshore (s) |
8
|
15
|
15
|
15
|
15
|
15
|
15
|
14
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Sunday (17 August 2025)
| 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%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
17°
|
15°
|
15°
|
20°
|
23°
|
24°
|
23°
|
17°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
20°
|
23°
|
24°
|
23°
|
17°
|
| Wind direction and speed (mph) |
ENE
6
|
NE
4
|
NE
4
|
W
4
|
W
5
|
NNW
7
|
NE
7
|
ENE
4
|
| Wind gust (mph) |
11
|
8
|
8
|
11
|
12
|
11
|
9
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
73%
|
85%
|
87%
|
62%
|
57%
|
56%
|
61%
|
88%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
6
|
4
|
4
|
4
|
5
|
6
|
7
|
4
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
| Period of waves offshore (s) |
14
|
14
|
14
|
14
|
14
|
14
|
13
|
13
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Monday (18 August 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
14°
|
15°
|
19°
|
22°
|
23°
|
22°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
15°
|
19°
|
22°
|
23°
|
22°
|
18°
|
| Wind direction and speed (mph) |
ENE
4
|
E
4
|
E
4
|
E
6
|
E
7
|
E
7
|
ENE
6
|
ENE
4
|
| Wind gust (mph) |
7
|
6
|
7
|
10
|
11
|
10
|
7
|
6
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
87%
|
91%
|
90%
|
71%
|
63%
|
58%
|
65%
|
90%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
4
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
0.1
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
13
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Tuesday 12 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 12 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 12 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 12 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 13 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 13 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 13 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 13 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 14 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 14 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 14 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 14 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 15 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 15 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 15 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 15 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 16 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 16 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 16 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 16 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 17 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 17 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 17 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 17 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 18 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 18 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 18 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 18 August
Tide times and heights are from Porth Trecastell tidal station which is 2.0 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Aberffraw Bay (Traeth Mawr) (Beach) weather map
View the weather with our interactive map
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Wales weather forecast
Headline:
Low cloud and fog, drifting in overnight. Turning brighter.
This Evening and Tonight:
Sunny and very warm this evening. Remaining warm but increasingly humid overnight giving an uncomfortable night for sleeping. Low cloud developing in places across the west through the night with some coastal mist possible. Minimum temperature 15 °C.
Wednesday:
A grey start, but soon turning brighter for most with sunny periods and becoming very warm by midday. Not as hot as on Tuesday. Very isolated late-afternoon or evening showers. Maximum temperature 26 °C.
Outlook for Thursday to Saturday:
Cloudier on Thursday with scattered showers but many places staying dry with sunny intervals. Dry and mainly sunny on Friday and Saturday. Very warm and perhaps turning hot in places.
Updated: