Coast and sea
Marine observations - Guernsey
- Location 49.44, -2.6
- Altitude 101 m above mean sea level
Tuesday (9 September 2025)
| 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 | |
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Weather |
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| Weather Symbol |
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| Temperature |
17.7° Celsius
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17.8° Celsius
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18.5° Celsius
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19.4° Celsius
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18.5° Celsius
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18.1° Celsius
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17.6° Celsius
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17.2° Celsius
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16.7° Celsius
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15.7° Celsius
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16.6° Celsius
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15.6° Celsius
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15.3° Celsius
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| Wind Direction and speed |
SSE
7
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SSE
7
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SSE
6
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SSE
7
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SSE
7
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SSE
6
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S
6
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S
5
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S
7
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S
7
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SSE
7
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SSE
9
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SSE
10
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| Wind gust | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | 14 knots | 15 knots |
| Visibility | 26 nautical miles | 26 nautical miles | 26 nautical miles | 24 nautical miles | 24 nautical miles | 24 nautical miles | 24 nautical miles | 24 nautical miles | 26 nautical miles | 24 nautical miles | 18 nautical miles | 3 nautical miles | 2 nautical miles |
| Humidity | 72% | 73% | 69% | 60% | 65% | 65% | 64% | 74% | 80% | 83% | 76% | 88% | 94% |
| Pressure | 1,016 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,010 hectopascals | 1,009 hectopascals | 1,008 hectopascals |
| Dew point temperature | 12.5° Celsius | 12.8° Celsius | 12.6° Celsius | 11.4° Celsius | 11.9° Celsius | 11.4° Celsius | 10.8° Celsius | 12.5° Celsius | 13.3° Celsius | 12.8° Celsius | 12.3° Celsius | 13.6° Celsius | 14.4° Celsius |
Wednesday (10 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 | |
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Weather |
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| Weather Symbol |
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| Temperature |
14.8° Celsius
|
14.5° Celsius
|
15.0° Celsius
|
15.3° Celsius
|
15.3° Celsius
|
15.3° Celsius
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15.4° Celsius
|
15.3° Celsius
|
15.7° Celsius
|
15.9° Celsius
|
16.0° Celsius
|
15.5° Celsius
|
15.1° Celsius
|
15.4° Celsius
|
16.0° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
15.7° Celsius
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15.3° Celsius
|
15.3° Celsius
|
15.0° Celsius
|
15.0° Celsius
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14.9° Celsius
|
| Wind Direction and speed |
SSW
6
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SSW
5
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SSW
5
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SSW
5
|
SW
6
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SW
5
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SSW
6
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SW
8
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SSW
6
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SSW
6
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SSW
7
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SSW
7
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S
6
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SSW
7
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SSW
6
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SSW
5
|
W
9
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W
9
|
W
11
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W
9
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W
9
|
W
10
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W
9
|
W
9
|
| Wind gust | 14 knots | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | No data | 13 knots | 16 knots | 15 knots | 14 knots | 16 knots | 14 knots | 13 knots |
| Visibility | 8 nautical miles | 24 nautical miles | 24 nautical miles | 24 nautical miles | 18 nautical miles | 16 nautical miles | 13 nautical miles | 18 nautical miles | 16 nautical miles | 13 nautical miles | 16 nautical miles | 6 nautical miles | 1 nautical miles | 2 nautical miles | 1 nautical miles | < 1 nautical miles | 21 nautical miles | 21 nautical miles | 16 nautical miles | 16 nautical miles | 16 nautical miles | 13 nautical miles | 13 nautical miles | 16 nautical miles |
| Humidity | 93% | 89% | 88% | 90% | 88% | 90% | 87% | 88% | 86% | 87% | 86% | 91% | 98% | 97% | 98% | 98% | 89% | 86% | 82% | 78% | 80% | 78% | 83% | 78% |
| Pressure | 1,008 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,005 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,002 hectopascals | 1,002 hectopascals | 1,002 hectopascals | 1,001 hectopascals | 1,002 hectopascals | 1,002 hectopascals | 1,003 hectopascals | 1,004 hectopascals | 1,005 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals |
| Dew point temperature | 13.7° Celsius | 12.7° Celsius | 13.1° Celsius | 13.6° Celsius | 13.3° Celsius | 13.6° Celsius | 13.3° Celsius | 13.3° Celsius | 13.4° Celsius | 13.7° Celsius | 13.6° Celsius | 14.0° Celsius | 14.8° Celsius | 15.0° Celsius | 15.7° Celsius | 16.0° Celsius | 14.4° Celsius | 13.9° Celsius | 12.7° Celsius | 11.5° Celsius | 11.8° Celsius | 11.1° Celsius | 12.1° Celsius | 11.0° Celsius |
Thursday (11 September 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Weather |
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| Weather Symbol |
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| Temperature |
14.6° Celsius
|
14.4° Celsius
|
14.5° Celsius
|
14.7° Celsius
|
14.6° Celsius
|
14.8° Celsius
|
15.0° Celsius
|
13.6° Celsius
|
15.2° Celsius
|
16.2° Celsius
|
16.9° Celsius
|
| Wind Direction and speed |
W
7
|
W
7
|
W
9
|
WSW
9
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WSW
9
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WSW
10
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WSW
9
|
WSW
9
|
WSW
10
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WSW
9
|
WSW
10
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| Wind gust | 13 knots | No data | No data | 13 knots | 14 knots | 15 knots | 13 knots | 18 knots | 14 knots | 13 knots | 13 knots |
| Visibility | 13 nautical miles | 13 nautical miles | 10 nautical miles | 13 nautical miles | 10 nautical miles | 16 nautical miles | 3 nautical miles | 13 nautical miles | 16 nautical miles | 16 nautical miles | 10 nautical miles |
| Humidity | 84% | 82% | 82% | 79% | 86% | 86% | 81% | 83% | 75% | 73% | 71% |
| Pressure | 1,006 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,008 hectopascals |
| Dew point temperature | 11.9° Celsius | 11.3° Celsius | 11.4° Celsius | 11.0° Celsius | 12.2° Celsius | 12.4° Celsius | 11.7° Celsius | 10.8° Celsius | 10.7° Celsius | 11.3° Celsius | 11.7° Celsius |
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