Coast and sea
Marine observations - M5
- Location 51.41, -6.42
- Altitude 0 m above mean sea level
Wednesday (17 September 2025)
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
16.2° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.5° Celsius
|
16.2° Celsius
|
16.1° Celsius
|
15.3° Celsius
|
15.6° Celsius
|
15.7° Celsius
|
15.6° Celsius
|
15.5° Celsius
|
15.5° Celsius
|
15.3° Celsius
|
15.2° Celsius
|
15.2° Celsius
|
15.2° Celsius
|
| Wind Direction and speed |
SW
28
|
SW
28
|
SW
25
|
SW
25
|
SW
22
|
SW
21
|
SW
20
|
WSW
18
|
WSW
19
|
WSW
20
|
WSW
17
|
WSW
20
|
WSW
18
|
WSW
18
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
17
|
SW
14
|
| Humidity | 93% | 93% | 94% | 95% | 95% | 95% | 93% | 94% | 92% | 91% | 86% | 83% | 82% | 83% | 82% | 82% | 81% | 79% | 83% |
| Pressure | 1,008 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,010 hectopascals | 1,010 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,014 hectopascals |
| Dew point temperature | 15.2° Celsius | 15.2° Celsius | 15.4° Celsius | 15.4° Celsius | 15.4° Celsius | 15.5° Celsius | 15.4° Celsius | 15.2° Celsius | 14.7° Celsius | 13.8° Celsius | 13.3° Celsius | 12.8° Celsius | 12.6° Celsius | 12.7° Celsius | 12.5° Celsius | 12.3° Celsius | 12.1° Celsius | 11.8° Celsius | 12.4° Celsius |
| Sea Temperature | 15.3° Celsius | 15.4° Celsius | 15.4° Celsius | 15.4° Celsius | 15.4° Celsius | 15.3° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius |
| Wave Height | 3.5 metres | 3.6 metres | 3.8 metres | 3.3 metres | 3.7 metres | 3.9 metres | 3.5 metres | 2.9 metres | 3.6 metres | 3.5 metres | 3.3 metres | 3.5 metres | 3.4 metres | 3.1 metres | 2.8 metres | 3.3 metres | 2.8 metres | 2.8 metres | 2.7 metres |
| Wave period | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds |
Thursday (18 September 2025)
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
15.2° Celsius
|
15.0° Celsius
|
15.1° Celsius
|
14.5° Celsius
|
14.7° Celsius
|
14.8° Celsius
|
15.7° Celsius
|
16.0° Celsius
|
16.1° Celsius
|
16.3° Celsius
|
16.7° Celsius
|
16.3° Celsius
|
16.4° Celsius
|
16.5° Celsius
|
16.5° Celsius
|
16.7° Celsius
|
16.7° Celsius
|
16.8° Celsius
|
16.6° Celsius
|
16.6° Celsius
|
16.8° Celsius
|
16.7° Celsius
|
16.5° Celsius
|
16.5° Celsius
|
| Wind Direction and speed |
WSW
14
|
WSW
10
|
SW
9
|
SSW
8
|
SW
3
|
SE
4
|
WSW
12
|
SW
19
|
SW
20
|
SW
16
|
SW
17
|
SSW
17
|
SSW
19
|
SSW
19
|
SSW
19
|
SSW
21
|
SSW
20
|
SSW
21
|
SSW
21
|
N
0
|
SSW
23
|
SSW
21
|
SSW
20
|
SSW
19
|
| Humidity | 84% | 88% | 89% | 94% | 95% | 95% | 96% | 96% | 96% | 95% | 93% | 94% | 93% | 94% | 95% | 94% | 93% | 93% | 94% | 93% | 91% | 92% | 92% | 93% |
| Pressure | 1,015 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals |
| Dew point temperature | 12.5° Celsius | 13.0° Celsius | 13.3° Celsius | 13.6° Celsius | 13.9° Celsius | 14.0° Celsius | 15.1° Celsius | 15.3° Celsius | 15.4° Celsius | 15.5° Celsius | 15.6° Celsius | 15.3° Celsius | 15.3° Celsius | 15.5° Celsius | 15.7° Celsius | 15.7° Celsius | 15.6° Celsius | 15.7° Celsius | 15.6° Celsius | 15.4° Celsius | 15.4° Celsius | 15.4° Celsius | 15.3° Celsius | 15.3° Celsius |
| Sea Temperature | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.3° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius | 15.3° Celsius |
| Wave Height | 3.0 metres | 2.5 metres | 2.2 metres | 2.7 metres | 2.3 metres | 2.7 metres | 2.3 metres | 2.3 metres | 2.2 metres | 2.5 metres | 2.3 metres | 2.2 metres | 2.4 metres | 2.2 metres | 2.4 metres | 2.3 metres | 2.3 metres | 2.3 metres | 2.3 metres | 2.3 metres | 2.2 metres | 2.3 metres | 2.3 metres | 2.3 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds |
Friday (19 September 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | |
|---|---|---|---|---|---|
| Temperature |
16.2° Celsius
|
16.3° Celsius
|
15.9° Celsius
|
15.9° Celsius
|
16.1° Celsius
|
| Wind Direction and speed |
SSW
21
|
SSW
19
|
SSW
20
|
SSW
21
|
SSW
24
|
| Humidity | 94% | 94% | 95% | 95% | 95% |
| Pressure | 1,015 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,013 hectopascals |
| Dew point temperature | 15.2° Celsius | 15.3° Celsius | 15.1° Celsius | 15.1° Celsius | 15.3° Celsius |
| Sea Temperature | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius | 15.2° Celsius |
| Wave Height | 2.3 metres | 2.5 metres | 2.3 metres | 2.5 metres | 2.4 metres |
| Wave period | 5.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds |
Latest observations by area
-
Belfast International Airport ‐ Land
-
Belmullet ‐ Land
-
Campbeltown Airport ‐ Land
-
Crosby ‐ Land
-
Islay Airport ‐ Land
-
K4 ‐ Buoy
-
K5 ‐ Buoy
-
M2 ‐ Buoy
-
M3 ‐ Buoy
-
M4 ‐ Buoy
-
M5 ‐ Buoy
-
Malin Head ‐ Land
-
Roches Point ‐ Land
-
Ronaldsway ‐ Land
-
Skye/Lusa ‐ Land
-
South Uist Range ‐ Land
-
St. Bees Head ‐ Land
-
Stornoway Airport - Climate Station ‐ Land
-
Tiree ‐ Land
-
Valentia Observatory ‐ Land
-
Valley ‐ Land
Marine forecasts disclaimer
In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.
Caution: The internet is not part of the Maritime Safety Information system and should never be relied upon as the only means to obtain the latest forecast and warning information. Access to the service may be interrupted or delayed from time to time, updates may also be delayed.
Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.