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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: 24° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 15° Celsius;
6 day forecast for Portland Harbour - Castle Cove (Beach)
Tomorrow (7 July 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%
|
20%
|
60%
|
80%
|
60%
|
30%
|
10%
|
10%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
18°
|
20°
|
22°
|
22°
|
23°
|
23°
|
23°
|
22°
|
21°
|
20°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
12°
|
12°
|
12°
|
13°
|
14°
|
16°
|
18°
|
19°
|
19°
|
19°
|
19°
|
18°
|
17°
|
15°
|
15°
|
14°
|
14°
|
| Wind direction and speed |
WNW
10
|
WNW
10
|
NW
10
|
NW
11
|
NW
12
|
NW
13
|
NW
13
|
NW
14
|
NNW
15
|
N
16
|
N
16
|
N
16
|
N
15
|
N
14
|
N
14
|
NNW
14
|
NW
14
|
NW
15
|
NNW
16
|
NW
17
|
NW
16
|
NW
14
|
NW
12
|
WNW
11
|
| Wind gust (mph) |
23
|
23
|
24
|
27
|
29
|
29
|
30
|
30
|
31
|
30
|
31
|
28
|
24
|
21
|
23
|
27
|
26
|
29
|
29
|
29
|
28
|
26
|
24
|
23
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
75%
|
75%
|
76%
|
83%
|
84%
|
86%
|
84%
|
82%
|
80%
|
79%
|
73%
|
62%
|
44%
|
40%
|
39%
|
38%
|
40%
|
39%
|
39%
|
40%
|
41%
|
53%
|
57%
|
65%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
| Wind direction and speed |
10
|
10
|
10
|
11
|
12
|
13
|
13
|
14
|
15
|
16
|
16
|
16
|
15
|
14
|
14
|
14
|
14
|
15
|
16
|
17
|
16
|
14
|
12
|
11
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.1
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.2
|
0.2
|
0.2
|
0.1
|
0.1
|
| Period of waves offshore (s) |
2
|
4
|
4
|
4
|
7
|
7
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
2
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Tuesday (8 July 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 |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
13°
|
14°
|
18°
|
21°
|
20°
|
20°
|
17°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
13°
|
16°
|
18°
|
16°
|
17°
|
16°
|
| Wind direction and speed (mph) |
WNW
10
|
WNW
10
|
NW
7
|
NNW
7
|
NNW
9
|
W
12
|
WSW
16
|
WSW
12
|
NW
7
|
| Wind gust (mph) |
23
|
21
|
18
|
20
|
19
|
25
|
25
|
23
|
19
|
| Visibility (description) |
VG
|
E
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
70%
|
74%
|
79%
|
71%
|
42%
|
42%
|
51%
|
55%
|
59%
|
| UV | - | - | - | 1 | 5 | 8 | 5 | 1 | - |
| Wind direction and speed (mph) |
10
|
10
|
7
|
7
|
9
|
12
|
16
|
12
|
7
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
| Period of waves offshore (s) |
2
|
2
|
6
|
6
|
5
|
4
|
4
|
4
|
4
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Wednesday (9 July 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°
|
14°
|
15°
|
19°
|
21°
|
20°
|
19°
|
17°
|
| Feels like temperature (°C) |
14°
|
13°
|
15°
|
19°
|
19°
|
19°
|
18°
|
17°
|
| Wind direction and speed (mph) |
NNW
8
|
NNW
6
|
NNW
3
|
SW
6
|
SW
10
|
WSW
10
|
WSW
8
|
WNW
3
|
| Wind gust (mph) |
16
|
11
|
10
|
14
|
17
|
18
|
15
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
VG
|
| Humidity |
73%
|
79%
|
71%
|
54%
|
53%
|
59%
|
67%
|
84%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
| Wind direction and speed (mph) |
8
|
6
|
3
|
6
|
10
|
10
|
8
|
3
|
| Height of waves offshore (m) |
0.0
|
0.0
|
0.0
|
0.1
|
0.0
|
0.0
|
0.1
|
0.1
|
| Period of waves offshore (s) |
4
|
4
|
15
|
15
|
15
|
15
|
2
|
2
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Thursday (10 July 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) |
16°
|
15°
|
17°
|
21°
|
22°
|
23°
|
21°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
17°
|
21°
|
21°
|
21°
|
20°
|
18°
|
| Wind direction and speed (mph) |
N
4
|
N
5
|
NNE
4
|
S
5
|
SW
8
|
WSW
8
|
WSW
6
|
WNW
3
|
| Wind gust (mph) |
8
|
8
|
6
|
10
|
11
|
11
|
8
|
7
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
90%
|
82%
|
62%
|
54%
|
48%
|
50%
|
72%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
| Wind direction and speed (mph) |
4
|
5
|
4
|
5
|
8
|
8
|
6
|
3
|
| Height of waves offshore (m) |
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
| Period of waves offshore (s) |
10
|
14
|
14
|
14
|
14
|
14
|
14
|
14
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Friday (11 July 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) |
16°
|
15°
|
17°
|
23°
|
25°
|
26°
|
24°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
17°
|
22°
|
23°
|
24°
|
23°
|
18°
|
| Wind direction and speed (mph) |
NNE
4
|
ENE
4
|
ENE
4
|
ESE
7
|
ESE
9
|
SE
9
|
ESE
8
|
E
5
|
| Wind gust (mph) |
6
|
6
|
10
|
15
|
17
|
17
|
13
|
6
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
78%
|
74%
|
52%
|
44%
|
42%
|
52%
|
83%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
| Wind direction and speed (mph) |
4
|
4
|
4
|
7
|
9
|
9
|
8
|
5
|
| Height of waves offshore (m) |
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
0.0
|
| Period of waves offshore (s) |
14
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Saturday (12 July 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) |
16°
|
15°
|
18°
|
23°
|
26°
|
26°
|
24°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
17°
|
22°
|
24°
|
24°
|
23°
|
19°
|
| Wind direction and speed (mph) |
ENE
4
|
ENE
5
|
E
6
|
E
8
|
ESE
10
|
SE
11
|
SE
9
|
ESE
5
|
| Wind gust (mph) |
7
|
9
|
14
|
19
|
21
|
20
|
14
|
6
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
90%
|
91%
|
80%
|
63%
|
44%
|
43%
|
53%
|
83%
|
| UV | - | - | 1 | 5 | 8 | 4 | 1 | - |
| Wind direction and speed (mph) |
4
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
0.0
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
13
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Monday 7 July
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 7 July
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 7 July
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 7 July
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 8 July
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 8 July
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 8 July
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 8 July
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 9 July
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 9 July
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 9 July
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 9 July
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 10 July
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 10 July
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 10 July
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 10 July
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 11 July
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 11 July
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 11 July
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 11 July
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 12 July
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 12 July
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 12 July
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 12 July
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
View the weather with our interactive map
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WARNING
Flood alerts in force for England
Flood alerts in force for England
South West England weather forecast
Headline:
Settling down and warming up during the week ahead.
This Evening and Tonight:
The evening looks mostly dry and bright in the east, though cloudier skies and showers are likely further west. Whilst drier and clearer weather develops in the west overnight, cloud will increase further east, bringing patchy rain. Mild, though breezy. Minimum temperature 13 °C.
Monday:
Monday will start fairly cloudy with the odd light shower in the east. Most places will settle into a dry day though with increasingly sunny weather. Pleasantly warm, although breezy. Maximum temperature 22 °C.
Outlook for Tuesday to Thursday:
Tuesday promises to be a dry day with warm sunshine and winds will ease. Patchy cloud is likely thereafter, though staying mostly dry and turning very warm in the sunshine.
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
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