Portland Harbour - Castle Cove (Beach) (Dorset) 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

Sunny intervals changing to heavy rain in the afternoon.
Beach safety today
Caution: strong winds may affect your paddling
  • • paddleboarding not recommended for beginners/intermediate
  • • experienced paddlers should use caution

Tide: Next high tide (4.0m) at

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

7 day forecast for Portland Harbour - Castle Cove (Beach)

Today (22 October 2025)
Time
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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain
Chance of precipitation
<5%
10%
10%
10%
10%
20%
10%
20%
40%
80%
80%
90%
≥95%
≥95%
90%
70%
Temperature
11°
11°
12°
13°
13°
14°
14°
14°
13°
13°
12°
12°
12°
12°
11°
11°
Feels like temperature (°C)
10°
11°
12°
13°
13°
13°
13°
13°
12°
12°
11°
10°
10°
9°
8°
8°
Wind direction and speed
NW
3
NW
3
WNW
3
WNW
3
SW
4
SW
5
SSW
6
SSW
6
S
7
SSE
7
SE
9
ESE
10
E
11
ENE
13
NE
14
NNE
15
Wind gust (mph)
6
5
7
9
11
12
12
13
13
14
12
13
15
19
21
24
Visibility
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
P
P
P
P
M
Humidity
87%
85%
83%
75%
72%
70%
68%
69%
73%
76%
84%
91%
93%
93%
93%
93%
UV 1 1 1 2 2 2 2 1 1 1 1 - - - - -
Wind direction and speed
3
3
3
3
4
5
6
6
7
7
9
10
11
13
14
15
Height of waves offshore (m)
0.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.0
0.1
0.1
0.2
0.2
Period of waves offshore (s)
8
6
6
5
5
5
4
4
4
4
3
3
2
2
2
2
Direction of waves offshore
Thursday (23 October 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 rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
80%
80%
90%
90%
90%
90%
80%
70%
40%
20%
20%
20%
40%
70%
70%
50%
50%
40%
30%
30%
40%
30%
30%
30%
Temperature (°C)
10°
10°
10°
10°
10°
10°
9°
9°
9°
9°
10°
11°
12°
12°
11°
10°
10°
9°
9°
8°
8°
8°
8°
8°
Feels like temperature (°C)
7°
7°
7°
7°
7°
7°
6°
6°
6°
6°
7°
8°
8°
8°
7°
6°
6°
5°
4°
4°
4°
4°
4°
4°
Wind direction and speed (mph)
N
15
N
14
NNW
12
NW
12
NW
13
NW
14
NW
14
NW
14
NW
14
NW
15
NW
16
NW
18
NW
20
WNW
22
WNW
23
NW
24
NW
24
WNW
22
WNW
20
WNW
18
WNW
18
WNW
18
WNW
18
WNW
18
Wind gust (mph)
21
19
21
24
26
30
30
28
31
32
34
36
37
45
48
45
45
42
38
37
38
38
37
37
Visibility (description)
G
G
G
M
M
M
M
G
VG
VG
VG
VG
VG
VG
E
E
E
E
E
E
E
E
E
E
Humidity
93%
93%
93%
92%
92%
92%
91%
91%
90%
87%
84%
78%
72%
69%
75%
75%
74%
74%
75%
75%
76%
76%
76%
75%
UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 - - - - -
Wind direction and speed (mph)
15
14
12
12
13
14
14
14
14
15
16
18
20
22
23
24
24
22
20
18
18
18
18
18
Height of waves offshore (m)
0.2
0.2
0.2
0.3
0.4
0.5
0.5
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.3
Period of waves offshore (s)
3
4
4
4
5
6
6
6
6
6
5
11
11
2
2
2
2
2
14
14
14
14
13
13
Direction of waves offshore
Friday (24 October 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower day Light shower day Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
30%
30%
20%
20%
20%
20%
20%
20%
20%
10%
20%
20%
30%
30%
50%
60%
70%
70%
60%
40%
30%
40%
50%
30%
Temperature (°C)
8°
8°
8°
8°
8°
8°
8°
9°
9°
9°
10°
10°
11°
11°
12°
11°
11°
11°
11°
11°
10°
10°
10°
10°
Feels like temperature (°C)
4°
4°
4°
4°
4°
4°
5°
5°
5°
6°
6°
7°
7°
7°
8°
8°
7°
7°
7°
7°
7°
7°
7°
7°
Wind direction and speed (mph)
WNW
17
WNW
17
W
17
W
17
W
17
W
16
W
16
W
17
W
17
W
19
W
20
W
21
W
22
W
22
WSW
23
W
23
WSW
23
W
22
W
21
W
20
W
19
W
19
W
18
WNW
17
Wind gust (mph)
37
36
36
37
35
34
33
35
35
34
35
36
38
38
41
40
39
41
38
34
34
35
34
32
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
76%
77%
77%
80%
77%
78%
77%
75%
74%
72%
70%
66%
65%
65%
63%
66%
68%
74%
76%
78%
78%
81%
83%
84%
UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 - - - - - -
Wind direction and speed (mph)
17
17
17
17
17
16
16
17
17
19
20
21
22
22
23
23
23
22
21
20
19
19
18
17
Height of waves offshore (m)
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.8
0.8
0.8
0.8
0.9
0.9
1.0
1.0
0.9
0.8
Period of waves offshore (s)
13
13
13
2
2
2
2
2
2
2
2
2
2
2
5
5
5
5
5
5
5
7
7
7
Direction of waves offshore
Saturday (25 October 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
20%
20%
10%
10%
10%
<5%
10%
10%
<5%
<5%
<5%
10%
20%
30%
30%
30%
30%
20%
20%
10%
10%
<5%
10%
10%
Temperature (°C)
10°
9°
9°
9°
9°
9°
9°
9°
9°
9°
10°
10°
11°
11°
11°
11°
10°
10°
9°
8°
7°
7°
7°
7°
Feels like temperature (°C)
6°
6°
6°
6°
6°
6°
6°
6°
6°
6°
7°
8°
8°
8°
8°
8°
7°
7°
6°
5°
4°
4°
4°
4°
Wind direction and speed (mph)
WNW
15
WNW
14
WNW
14
WNW
13
WNW
13
NW
12
NW
11
NW
11
NW
10
NW
11
NW
12
NW
14
NW
14
NW
14
NW
14
NW
14
NW
14
NW
13
NW
12
NW
11
NW
10
NW
10
NW
10
NW
10
Wind gust (mph)
29
29
29
27
29
28
27
26
25
27
29
30
32
32
32
30
30
28
28
28
27
25
26
25
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
85%
85%
85%
85%
85%
85%
84%
84%
84%
82%
75%
67%
64%
60%
61%
59%
65%
67%
73%
75%
78%
79%
79%
80%
UV - - - - - - - 1 1 1 1 2 2 2 1 1 1 1 - - - - - -
Wind direction and speed (mph)
15
14
14
13
13
12
11
11
10
11
12
14
14
14
14
14
14
13
12
11
10
10
10
10
Height of waves offshore (m)
0.7
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
Period of waves offshore (s)
7
7
7
6
6
6
6
6
6
6
4
4
4
4
4
2
2
2
2
2
2
2
2
2
Direction of waves offshore
Sunday (26 October 2025)
Time
00:00
01:00
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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Light shower night Cloudy Cloudy Partly cloudy night Light shower night
Chance of precipitation
10%
10%
20%
20%
20%
10%
10%
10%
10%
10%
10%
10%
20%
30%
30%
40%
40%
40%
40%
40%
50%
50%
40%
40%
50%
Temperature (°C)
7°
7°
6°
6°
6°
6°
6°
6°
6°
7°
8°
9°
10°
10°
10°
11°
10°
10°
10°
10°
10°
10°
10°
10°
10°
Feels like temperature (°C)
4°
3°
3°
3°
3°
3°
3°
3°
3°
4°
5°
6°
7°
7°
8°
8°
8°
8°
7°
7°
7°
7°
7°
7°
7°
Wind direction and speed (mph)
NW
11
NW
11
NW
11
NW
11
NW
10
NW
10
NW
9
NW
9
NW
9
NW
10
NW
11
NW
12
WNW
13
WNW
14
WNW
14
WNW
14
WNW
13
WNW
13
WNW
14
W
13
W
14
W
13
WNW
13
W
12
W
13
Wind gust (mph)
25
25
26
25
24
25
23
24
23
23
25
26
27
29
30
31
29
29
27
25
24
24
24
24
26
Visibility (description)
E
E
E
E
E
E
E
E
VG
VG
VG
E
E
VG
VG
VG
VG
VG
VG
VG
VG
G
VG
VG
VG
Humidity
81%
82%
82%
82%
82%
84%
84%
84%
84%
82%
75%
71%
67%
66%
65%
68%
73%
76%
81%
84%
86%
88%
86%
87%
87%
UV - - - - - - - 1 1 1 1 2 2 2 1 1 1 1 - - - - - - -
Wind direction and speed (mph)
11
11
11
11
10
10
9
9
9
10
11
12
13
14
14
14
13
13
14
13
14
13
13
12
13
Height of waves offshore (m)
0.4
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.5
0.5
0.6
0.6
0.7
0.8
0.8
0.9
Period of waves offshore (s)
2
2
2
3
3
3
2
2
2
2
2
2
2
2
2
2
3
3
3
3
4
4
4
4
4
Direction of waves offshore
Monday (27 October 2025)
Time
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
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
30%
20%
30%
30%
30%
20%
20%
20%
Temperature (°C)
10°
10°
10°
11°
13°
13°
11°
10°
Feels like temperature (°C)
7°
7°
7°
9°
10°
10°
9°
8°
Wind direction and speed (mph)
W
13
W
14
WNW
13
WNW
14
WNW
17
WNW
16
WNW
12
WNW
11
Wind gust (mph)
23
23
24
30
30
24
20
20
Visibility (description)
G
VG
G
VG
VG
VG
VG
VG
Humidity
88%
87%
88%
84%
74%
70%
82%
85%
UV - - 1 1 2 1 - -
Wind direction and speed (mph)
13
14
13
14
17
16
12
11
Height of waves offshore (m)
0.9
0.9
0.6
0.6
0.5
0.5
0.4
0.4
Period of waves offshore (s)
5
5
5
7
3
3
3
3
Direction of waves offshore
Tuesday (28 October 2025)
Time
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
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
20%
20%
20%
20%
20%
10%
20%
30%
Temperature (°C)
10°
9°
9°
11°
13°
12°
11°
10°
Feels like temperature (°C)
7°
7°
7°
9°
10°
10°
9°
8°
Wind direction and speed (mph)
WNW
11
WNW
10
WNW
10
WNW
11
W
14
W
12
W
9
W
9
Wind gust (mph)
18
17
16
22
23
18
14
16
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
87%
86%
87%
84%
72%
74%
84%
88%
UV - - 1 1 2 1 - -
Wind direction and speed (mph)
11
 – – – – – – –
Height of waves offshore (m)
0.3
 – – – – – – –
Period of waves offshore (s)
3
 – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–

Tide times

Wednesday 22 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 24 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 24 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 24 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 24 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 25 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 25 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 25 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 25 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 26 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 26 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 26 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 26 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 27 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 27 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 27 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 27 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 28 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 28 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 28 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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 28 October

Tide times and heights are from Chesil Cove tidal station which is 2.1 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

Warnings are issued for wind and rain

Yellow National Severe Weather Warnings for wind and rain have been issued for Thursday as a low-pressure system crosses the UK.

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Portland Harbour - Castle Cove (Beach) weather map

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Forecast for 08:00, Wed
Updated 06:00 (UTC+1) on Wed 22 Oct 2025

South West England weather forecast

Headline:

Brighter today, but wet and windy overnight and into tomorrow.

Today:

Sunny spells through this morning with any fog patches clearing by late-morning. Isolated showers developing for a time, but most places staying dry. Heavy rain arriving from the west later this afternoon. Freshening easterly winds. Maximum temperature 15 °C.

Tonight:

A wet evening with persistent and occasionally heavy rain setting in and staying wet overnight. Windy at times with the strongest winds probably developing by dawn. Milder than last night. Minimum temperature 8 °C.

Thursday:

A very windy and occasionally wet day with the potential for some disruption. Heavy rain probably clearing to showers. Strong northwesterly winds with gales or severe gales. Feeling much colder. Maximum temperature 13 °C.

Outlook for Friday to Sunday:

Showers on Friday, these heavy at times. Brighter with fewer showers and sunny spells on Saturday, then largely dry on Sunday. Windy at times and feeling rather cold.

Updated:

UK long range weather forecast

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