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Rhoscolyn - Borthwen (Beach) (Isle of Anglesey) weather

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.

Forecast days

Light rain.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next low tide (1.3m) at

Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

7 day forecast for Rhoscolyn - Borthwen (Beach)

Today (19 September 2025)
Time
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 Drizzle Light rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Heavy rain Heavy rain Light rain Light rain Light rain
Chance of precipitation
50%
80%
90%
70%
70%
80%
80%
80%
80%
60%
70%
80%
90%
90%
90%
90%
80%
80%
90%
80%
80%
80%
90%
Temperature
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
17°
17°
16°
16°
16°
16°
16°
16°
16°
15°
15°
15°
Feels like temperature (°C)
12°
12°
12°
13°
13°
13°
13°
12°
12°
13°
13°
13°
13°
13°
14°
14°
14°
14°
14°
14°
14°
14°
14°
Wind direction and speed
SSW
25
SSW
24
SSW
23
SSW
22
SSW
21
SSW
20
SSW
21
SSW
21
SSW
21
SSW
21
SSW
21
SSW
21
SSW
20
SSW
18
SSW
17
SSW
16
SSW
15
SW
13
SW
11
WSW
9
WNW
8
NW
6
WNW
6
Wind gust (mph)
41
39
38
36
33
31
32
31
31
33
34
33
30
29
26
24
20
17
13
15
13
12
10
Visibility
M
M
M
M
M
M
M
M
M
M
M
G
G
M
M
M
M
M
M
M
M
M
G
Humidity
94%
95%
96%
96%
96%
96%
95%
94%
94%
93%
93%
93%
93%
94%
94%
95%
96%
96%
96%
96%
95%
96%
95%
UV - - - - - - 1 1 1 1 1 2 1 1 1 1 1 1 1 - - - -
Wind direction and speed
25
24
23
22
21
20
20
20
20
19
19
19
18
17
16
16
14
12
11
9
8
7
7
Height of waves offshore (m)
2.0
2.0
1.9
1.8
1.8
1.9
1.9
1.8
1.8
1.7
1.6
1.6
1.6
1.7
1.7
1.7
1.6
1.5
1.5
1.4
1.3
1.1
1.0
Period of waves offshore (s)
7
7
8
8
8
8
8
8
8
8
6
6
6
6
7
7
7
7
7
7
8
9
9
Direction of waves offshore
Saturday (20 September 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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light shower day Light shower day Cloudy Cloudy Light shower day Light shower day Cloudy Cloudy Light shower night Light shower night Light shower night
Chance of precipitation
90%
90%
90%
90%
90%
90%
90%
80%
70%
70%
70%
60%
60%
60%
60%
50%
50%
50%
50%
50%
50%
50%
60%
70%
Temperature (°C)
14°
14°
14°
14°
13°
13°
13°
13°
13°
13°
13°
14°
14°
14°
14°
14°
14°
14°
14°
14°
13°
13°
13°
12°
Feels like temperature (°C)
14°
14°
14°
13°
13°
12°
12°
12°
12°
12°
12°
12°
13°
13°
12°
12°
12°
12°
12°
11°
10°
10°
9°
9°
Wind direction and speed (mph)
NW
5
NNW
5
NW
5
NNW
5
NNE
5
NNE
6
NNE
6
NNE
6
NE
6
NNE
7
NNE
7
NNE
8
N
10
N
11
NNW
12
NNW
13
N
13
NW
13
NNW
14
NNW
14
NNW
15
NNW
17
N
17
NNW
18
Wind gust (mph)
10
9
9
10
11
11
11
11
11
12
12
12
13
15
17
18
19
17
17
19
21
20
26
26
Visibility (description)
G
M
M
M
M
M
M
M
M
G
G
VG
VG
VG
VG
E
E
E
E
E
E
E
E
E
Humidity
94%
94%
93%
94%
95%
94%
94%
94%
93%
92%
90%
90%
88%
84%
83%
82%
82%
80%
81%
84%
84%
84%
85%
83%
UV - - - - - - - 1 1 1 1 1 1 2 1 2 1 1 1 1 - - - -
Wind direction and speed (mph)
6
6
6
6
6
7
7
7
7
8
8
9
10
11
13
14
15
15
15
15
16
17
17
17
Height of waves offshore (m)
0.8
0.7
0.6
0.6
0.5
0.5
0.6
0.6
0.6
0.6
0.7
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
Period of waves offshore (s)
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
Direction of waves offshore
Sunday (21 September 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
80%
80%
70%
70%
80%
80%
70%
70%
60%
70%
70%
60%
70%
60%
70%
60%
60%
60%
60%
60%
60%
60%
50%
50%
Temperature (°C)
12°
12°
12°
11°
11°
11°
11°
11°
11°
11°
11°
12°
12°
12°
12°
12°
13°
13°
12°
12°
12°
11°
11°
11°
Feels like temperature (°C)
9°
9°
9°
9°
9°
8°
8°
8°
7°
8°
8°
9°
9°
9°
10°
10°
10°
10°
10°
9°
9°
9°
9°
9°
Wind direction and speed (mph)
NNW
17
N
16
N
15
N
14
N
14
N
14
N
14
N
15
N
16
N
16
N
17
N
17
N
17
N
16
N
15
N
15
N
15
N
15
N
14
NNE
13
NNE
12
NNE
11
NNE
10
NNE
9
Wind gust (mph)
28
28
31
32
34
33
34
33
34
34
33
32
32
30
30
27
29
30
31
31
31
27
21
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
84%
84%
84%
83%
81%
81%
79%
80%
77%
73%
70%
66%
66%
67%
63%
66%
61%
64%
68%
70%
74%
75%
76%
75%
UV - - - - - - - 1 1 1 2 3 4 3 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
17
17
16
16
15
15
16
16
16
17
17
16
16
15
15
15
14
14
13
12
12
11
10
9
Height of waves offshore (m)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.5
0.6
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.6
0.6
0.6
Period of waves offshore (s)
7
9
8
7
6
6
6
6
6
6
6
6
6
7
6
6
6
6
5
5
5
5
6
6
Direction of waves offshore
Monday (22 September 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
50%
40%
30%
20%
20%
20%
20%
20%
10%
20%
20%
10%
10%
10%
10%
10%
10%
10%
20%
20%
20%
20%
20%
20%
Temperature (°C)
11°
10°
10°
10°
10°
10°
10°
9°
10°
11°
12°
12°
13°
13°
13°
13°
13°
13°
13°
12°
11°
11°
11°
11°
Feels like temperature (°C)
9°
9°
9°
8°
8°
8°
8°
8°
8°
9°
10°
10°
10°
10°
10°
11°
11°
11°
11°
10°
10°
10°
10°
10°
Wind direction and speed (mph)
NE
8
NE
8
NNE
7
NNE
7
NNE
7
NNE
7
NNE
7
NNE
7
NNE
7
NNE
9
NNE
11
NNE
12
NNE
12
N
12
N
12
N
12
N
11
N
11
N
9
NNE
7
NNE
6
NNE
5
NNE
5
NNE
5
Wind gust (mph)
19
16
15
16
16
16
15
17
22
23
23
22
22
22
21
21
20
18
18
16
12
10
9
9
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
VG
Humidity
75%
77%
75%
77%
76%
77%
75%
75%
73%
67%
59%
56%
54%
53%
53%
53%
54%
55%
61%
72%
76%
77%
79%
82%
UV - - - - - - - 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
9
8
8
8
8
8
7
7
8
9
11
11
12
12
12
12
12
11
9
8
7
6
5
5
Height of waves offshore (m)
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
Period of waves offshore (s)
6
5
6
6
6
6
6
6
6
6
6
8
11
13
13
13
13
13
13
13
13
13
13
13
Direction of waves offshore
Tuesday (23 September 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
20%
20%
20%
10%
10%
<5%
<5%
<5%
<5%
Temperature (°C)
11°
11°
10°
10°
13°
14°
14°
11°
9°
Feels like temperature (°C)
10°
10°
9°
8°
11°
12°
12°
10°
8°
Wind direction and speed (mph)
NNE
5
NNE
5
NNE
5
NE
5
NE
7
N
9
NNE
9
NNE
7
NE
5
Wind gust (mph)
9
9
9
11
13
14
13
8
5
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
G
Humidity
80%
81%
83%
85%
67%
58%
60%
77%
90%
UV - - - 1 2 3 2 1 -
Wind direction and speed (mph)
5
5
5
5
7
9
9
7
5
Height of waves offshore (m)
0.2
0.2
0.2
0.3
0.2
0.2
0.2
0.2
0.1
Period of waves offshore (s)
13
13
13
9
13
13
12
12
12
Direction of waves offshore
Wednesday (24 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
10%
10%
10%
10%
10%
10%
10%
Temperature (°C)
8°
8°
8°
13°
14°
15°
12°
10°
Feels like temperature (°C)
7°
7°
6°
11°
13°
13°
10°
9°
Wind direction and speed (mph)
E
5
ESE
5
E
5
ESE
8
SE
9
WNW
10
NNE
8
E
6
Wind gust (mph)
5
5
7
12
13
12
8
7
Visibility (description)
G
G
G
VG
VG
VG
VG
G
Humidity
93%
93%
93%
76%
66%
64%
83%
91%
UV - - 1 2 4 1 1 -
Wind direction and speed (mph)
5
 – – – – – – –
Height of waves offshore (m)
0.1
 – – – – – – –
Period of waves offshore (s)
12
 – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–
Thursday (25 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
10%
10%
10%
10%
10%
<5%
<5%
Temperature (°C)
10°
9°
8°
13°
15°
15°
13°
11°
Feels like temperature (°C)
8°
7°
7°
12°
13°
13°
11°
9°
Wind direction and speed (mph)
E
5
ESE
6
ESE
5
SE
8
SSE
10
SSW
10
SE
8
ESE
7
Wind gust (mph)
6
6
6
12
12
10
9
7
Visibility (description)
G
G
G
VG
VG
VG
VG
G
Humidity
93%
94%
95%
78%
65%
64%
85%
92%
UV - - 1 2 3 1 1 -
Wind direction and speed (mph) – – – – – – – –
Height of waves offshore (m) – – – – – – – –
Period of waves offshore (s) – – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–
–

Tide times

Friday 19 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 19 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 19 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 19 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 20 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 20 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 20 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 20 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 21 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 21 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 21 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 21 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 22 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 22 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 22 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 22 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 23 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 23 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 23 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 23 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 24 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 24 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 24 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 24 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 25 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 25 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 25 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 25 September

Tide times and heights are from Trearddur Bay tidal station which is 1.9 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 explained
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.

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Rhoscolyn - Borthwen (Beach) weather map

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Forecast for 01:00, Fri
Updated 23:00 (UTC+1) on Thu 18 Sep 2025

Wales weather forecast

Headline:

Largely dry with sunny spells on Friday.

This Evening and Tonight:

Remaining largely cloudy overnight as a band of rain and drizzle continues to affect much of the north and west. Drier in the east with a few clear spells. Windy in the northwest, but winds easing elsewhere by dawn. Minimum temperature 12 °C.

Friday:

Increasingly cloudy in the west with rain and drizzle pushing north-eastwards, turning heavy at times. Some brighter and drier intervals in the east. Winds continuing to ease. Feeling humid. Maximum temperature 20 °C.

Outlook for Saturday to Monday:

Remaining changeable with showers or longer spells of rain on Saturday. Turning cooler through Sunday as showery rain clears southeast, leaving sunny spells and showers on Monday.

Updated:

UK long range weather forecast

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