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 morePortland Harbour - Castle Cove (Beach) (Dorset) 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: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° 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: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° 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: 14° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 14° 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: 13° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius;
Light showers changing to partly cloudy by nighttime.
Beach safety today
Caution: strong winds may affect your paddling
- • paddleboarding not recommended for beginners/intermediate
- • experienced paddlers should use caution
Tide: Next low tide (1.6m) at
Sunrise:
Sunset:
7 day forecast for Portland Harbour - Castle Cove (Beach)
Today (1 September 2025)
| Time |
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
 |
|
|
|
| Chance of precipitation |
60%
|
50%
|
60%
|
40%
|
50%
|
40%
|
20%
|
10%
|
20%
|
| Temperature |
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
| Wind direction and speed |
WSW
16
|
WSW
16
|
WSW
17
|
WSW
16
|
WSW
14
|
WSW
13
|
WSW
13
|
WSW
12
|
WSW
12
|
| Wind gust (mph) |
30
|
32
|
32
|
30
|
28
|
27
|
26
|
26
|
26
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
67%
|
68%
|
72%
|
74%
|
77%
|
77%
|
77%
|
77%
|
| UV | 4 | 3 | 2 | 1 | 1 | - | - | - | - |
| Wind direction and speed |
16
|
16
|
17
|
16
|
15
|
13
|
13
|
13
|
13
|
| Height of waves offshore (m) |
0.3
|
0.3
|
0.3
|
0.3
|
0.3
|
0.2
|
0.2
|
0.2
|
0.2
|
| Period of waves offshore (s) |
2
|
5
|
2
|
2
|
5
|
5
|
2
|
2
|
2
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Tuesday (2 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 | |
|
|
|
|
 |
 |
|
 |
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
 |
| Chance of precipitation |
30%
|
30%
|
40%
|
40%
|
40%
|
50%
|
60%
|
70%
|
80%
|
≥95%
|
80%
|
50%
|
40%
|
30%
|
20%
|
10%
|
20%
|
30%
|
20%
|
20%
|
10%
|
20%
|
30%
|
30%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
WSW
13
|
WSW
13
|
WSW
12
|
SW
12
|
SW
12
|
SSW
13
|
SSW
14
|
SSW
14
|
S
15
|
S
16
|
S
17
|
S
17
|
SSW
17
|
SSW
17
|
SW
18
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SW
18
|
WSW
17
|
WSW
16
|
WSW
15
|
SW
15
|
| Wind gust (mph) |
25
|
25
|
25
|
25
|
26
|
28
|
28
|
29
|
31
|
32
|
30
|
31
|
30
|
30
|
32
|
32
|
32
|
32
|
30
|
30
|
29
|
29
|
26
|
27
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
77%
|
78%
|
81%
|
81%
|
80%
|
82%
|
83%
|
85%
|
88%
|
92%
|
90%
|
86%
|
82%
|
78%
|
77%
|
76%
|
77%
|
83%
|
84%
|
84%
|
85%
|
85%
|
85%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 5 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
| Wind direction and speed (mph) |
13
|
13
|
12
|
12
|
12
|
13
|
13
|
13
|
14
|
15
|
16
|
16
|
17
|
17
|
17
|
18
|
18
|
18
|
17
|
17
|
16
|
15
|
14
|
14
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.2
|
0.3
|
0.4
|
0.5
|
0.5
|
0.5
|
0.4
|
0.4
|
0.5
|
0.5
|
0.5
|
0.5
|
0.4
|
0.4
|
0.3
|
0.3
|
0.3
|
| Period of waves offshore (s) |
2
|
2
|
13
|
13
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
5
|
5
|
5
|
5
|
5
|
6
|
6
|
6
|
6
|
5
|
5
|
5
|
5
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Wednesday (3 September 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 |
50%
|
80%
|
80%
|
70%
|
50%
|
50%
|
30%
|
30%
|
50%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SW
15
|
SW
15
|
SSW
18
|
SSW
21
|
SW
24
|
SW
24
|
WSW
22
|
WSW
20
|
WSW
17
|
| Wind gust (mph) |
27
|
29
|
28
|
41
|
40
|
42
|
36
|
33
|
32
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
86%
|
88%
|
92%
|
92%
|
85%
|
77%
|
77%
|
75%
|
77%
|
| UV | - | - | - | 1 | 3 | 5 | 3 | 1 | - |
| Wind direction and speed (mph) |
14
|
14
|
19
|
23
|
24
|
25
|
24
|
21
|
17
|
| Height of waves offshore (m) |
0.2
|
0.2
|
0.3
|
0.6
|
0.7
|
0.6
|
0.5
|
0.4
|
1.0
|
| Period of waves offshore (s) |
5
|
5
|
5
|
3
|
6
|
6
|
6
|
2
|
8
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Thursday (4 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
|
| Chance of precipitation |
60%
|
40%
|
30%
|
50%
|
50%
|
30%
|
10%
|
10%
|
| Temperature (°C) |
16°
|
15°
|
15°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
12°
|
12°
|
13°
|
14°
|
14°
|
13°
|
13°
|
| Wind direction and speed (mph) |
WSW
17
|
WSW
16
|
WSW
15
|
WSW
17
|
WSW
18
|
WSW
19
|
WSW
18
|
W
14
|
| Wind gust (mph) |
31
|
30
|
28
|
30
|
33
|
31
|
27
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
VG
|
| Humidity |
78%
|
81%
|
81%
|
68%
|
65%
|
65%
|
70%
|
74%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
16
|
16
|
16
|
18
|
19
|
19
|
18
|
16
|
| Height of waves offshore (m) |
0.8
|
0.7
|
0.6
|
0.5
|
0.5
|
0.6
|
0.6
|
0.6
|
| Period of waves offshore (s) |
8
|
8
|
8
|
8
|
9
|
9
|
9
|
5
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Friday (5 September 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
15°
|
15°
|
16°
|
15°
|
15°
|
| Wind direction and speed (mph) |
W
13
|
W
12
|
WSW
11
|
WSW
12
|
SW
13
|
SW
14
|
SW
11
|
SSW
8
|
| Wind gust (mph) |
21
|
20
|
19
|
20
|
23
|
23
|
16
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
76%
|
76%
|
78%
|
67%
|
66%
|
67%
|
75%
|
84%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
| Wind direction and speed (mph) |
15
|
13
|
12
|
13
|
14
|
14
|
11
|
7
|
| Height of waves offshore (m) |
0.5
|
0.5
|
0.4
|
0.3
|
0.3
|
0.2
|
0.2
|
0.3
|
| Period of waves offshore (s) |
5
|
6
|
4
|
4
|
6
|
6
|
5
|
3
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Saturday (6 September 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%
|
10%
|
10%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
18°
|
19°
|
19°
|
18°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed (mph) |
S
8
|
S
8
|
S
10
|
S
15
|
S
16
|
SSE
15
|
SSE
12
|
SSE
9
|
| Wind gust (mph) |
13
|
14
|
23
|
27
|
27
|
24
|
16
|
17
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
91%
|
92%
|
82%
|
75%
|
75%
|
82%
|
88%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
| Wind direction and speed (mph) |
7
|
8
|
9
|
14
|
15
|
15
|
12
|
9
|
| Height of waves offshore (m) |
0.3
|
0.3
|
0.4
|
0.5
|
0.6
|
0.7
|
0.6
|
0.6
|
| Period of waves offshore (s) |
3
|
3
|
3
|
4
|
4
|
4
|
5
|
5
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Sunday (7 September 2025)
| 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%
|
40%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
18°
|
19°
|
19°
|
17°
|
16°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
16°
|
17°
|
17°
|
16°
|
15°
|
| Wind direction and speed (mph) |
S
9
|
S
10
|
S
11
|
S
13
|
S
14
|
S
13
|
SSW
10
|
SSW
8
|
| Wind gust (mph) |
16
|
16
|
18
|
23
|
23
|
19
|
12
|
11
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
91%
|
94%
|
96%
|
91%
|
83%
|
79%
|
87%
|
93%
|
| UV | - | - | 1 | 2 | 5 | 2 | 1 | - |
| Wind direction and speed (mph) |
9
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
0.5
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
4
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Monday 1 September
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 1 September
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 1 September
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 1 September
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 2 September
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 2 September
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 2 September
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 2 September
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 3 September
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 3 September
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 3 September
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 3 September
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 4 September
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 4 September
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 4 September
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 4 September
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 5 September
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 5 September
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 5 September
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 5 September
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 6 September
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 6 September
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 6 September
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 6 September
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 7 September
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 7 September
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 7 September
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 7 September
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.
Portland Harbour - Castle Cove (Beach) weather map
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WARNING
Flood warnings
Flood warnings may be in force for:
| England | Environment Agency |
|---|
South West England weather forecast
Headline:
An unsettled start to Autumn.
Today:
A wet start in places on Monday, with an organised band of showers across Devon and Cornwall. These tending to break up throughout the day, with a risk of thunder and hail. Remaining blustery with strongest winds around coastal areas. Maximum temperature 19 °C.
Tonight:
Showers easing overnight with clear spells developing across the region. Cloud then thickens form the west with persistent heavy rain moving into Cornwall by dawn where it turns windier. Minimum temperature 14 °C.
Tuesday:
Band of heavy rain will continue to move eastwards across the region through the morning. By the afternoon rain clears with the odd shower behind along with some sunny spells. Maximum temperature 20 °C.
Outlook for Wednesday to Friday:
Remaining unsettled throughout with further spells of rain and showers. The rain will be heavy at times, but some drier and sunnier interludes will develop. Temperatures around average.
Updated:
UK long range weather forecast
Nearest forecasts
- Portland Harbour - Sandsfoot Castle (Beach) 0.3 miles
- Weymouth - Central (Beach) 1.0 miles
- Weymouth 1.2 miles
- Weymouth and Portland 1.8 miles
- Bennetts Water Garden 2.3 miles
- Fortuneswell 2.8 miles
- Bowleaze Cove (Beach) 3.3 miles
- Portland 3.4 miles
- Church Ope Cove (Beach) 4.3 miles
- Ringstead Bay (Beach) 5.1 miles