Water Temperature of the Celtic Sea Near Sennen, England
Current Water Temperature
16.0°C
Measurement Time: Wednesday, September 10, 2025, 12:00 PM BST
Temperature Locations
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Local Points of Interest
Isles of Scilly; Celtic SeaSponsored Content
Celtic Sea
Station Name: Sevenstones Lightship
Station Type: Fixed
Data Source: National Data Buoy Center
Elevation Above Sea Level: 0 feet / 0 meters
Nearest Address:
Offshore
Sennen, GB-ENG
GPS Coordinates: 50.102, -6.1
Nearby Water Temperatures
Atlantic Ocean, Brest, FR-BFC (332.5 km)English Channel, Brighton, GB-ENG (434.8 km)
Weather Near Sennen, England
Current Weather
17.4°C

Conditions: Patchy rain nearby
Humidity: 77%
Feels Like: 17.4°C
Wind: WNW 30.2 mph
Wind Gusts: 40.6 mph
Humidity: 77%
Feels Like: 17.4°C
Wind: WNW 30.2 mph
Wind Gusts: 40.6 mph
Pressure: 29.59 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 6 mi
UV Index: 4.1
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 6 mi
UV Index: 4.1
Five Day Weather Forecast

Wed
H: 17°C
L: 15°C

Thu
H: 16°C
L: 15°C

Fri
H: 16°C
L: 15°C

Sat
H: 16°C
L: 15°C

Sun
H: 18°C
L: 16°C
Air Quality
AQI:
1 - Good
PM2.5:
9.81 μg/m3
PM10:
51.06 μg/m3
Carbon Monoxide: 271.95 μg/m3
Nitrogen Dioxide: 0.56 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 77 μg/m3
Nitrogen Dioxide: 0.56 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 77 μg/m3
Astronomical
Sunrise: 6:53 AM
Sun Transit: 1:21 PM
Sunset: 7:49 PM
Daylight: 12 hrs 55 mins
Sun Transit: 1:21 PM
Sunset: 7:49 PM
Daylight: 12 hrs 55 mins
Moonrise: 8:38 PM
Moon Transit: 3:13 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Moon Transit: 3:13 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Best Times for Fishing or Hunting
Major Periods
2:43 AM - 5:13 AM1:52 AM - 4:22 AM
Minor Periods
8:08 PM - 9:38 PM9:56 AM - 11:26 AM
Action Rating: 3 out of 5
Wednesday, September 10, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 16.1°C
Average Humidity: 83%
Average Temperature: 16.1°C
Average Humidity: 83%
Chance of Rain: 99%
Wind: 30.2 mph
UV Index: 1
Wind: 30.2 mph
UV Index: 1
Air Quality
AQI:
1 - Good
PM2.5:
8.29 μg/m3
PM10:
34.42 μg/m3
Carbon Monoxide: 263.66 μg/m3
Nitrogen Dioxide: 0.81 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 73.76 μg/m3
Nitrogen Dioxide: 0.81 μg/m3
Sulphur Dioxide: 0.15 μg/m3
Ozone: 73.76 μg/m3
Astronomical
Sunrise: 6:53 AM
Sun Transit: 1:21 PM
Sunset: 7:49 PM
Daylight: 12 hrs 55 mins
Sun Transit: 1:21 PM
Sunset: 7:49 PM
Daylight: 12 hrs 55 mins
Moonrise: 8:38 PM
Moon Transit: 3:13 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Moon Transit: 3:13 AM
Moonset: 10:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.2%
Best Times for Fishing or Hunting
Major Periods
2:43 AM - 5:13 AM1:52 AM - 4:22 AM
Minor Periods
8:08 PM - 9:38 PM9:56 AM - 11:26 AM
Action Rating: 3 out of 5
Thursday, September 11, 2025
Weather Forecast
Conditions: Moderate rain
Average Temperature: 15.5°C
Average Humidity: 71%
Average Temperature: 15.5°C
Average Humidity: 71%
Chance of Rain: 89%
Wind: 30.4 mph
UV Index: 1.1
Wind: 30.4 mph
UV Index: 1.1
Air Quality
AQI:
1 - Good
PM2.5:
8.92 μg/m3
PM10:
40.2 μg/m3
Carbon Monoxide: 263.59 μg/m3
Nitrogen Dioxide: 0.59 μg/m3
Sulphur Dioxide: 0.11 μg/m3
Ozone: 66.2 μg/m3
Nitrogen Dioxide: 0.59 μg/m3
Sulphur Dioxide: 0.11 μg/m3
Ozone: 66.2 μg/m3
Astronomical
Sunrise: 6:55 AM
Sun Transit: 1:20 PM
Sunset: 7:46 PM
Daylight: 12 hrs 52 mins
Sun Transit: 1:20 PM
Sunset: 7:46 PM
Daylight: 12 hrs 52 mins
Moonrise: 8:58 PM
Moon Transit: 4:05 AM
Moonset: 11:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 77.5%
Moon Transit: 4:05 AM
Moonset: 11:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 77.5%
Best Times for Fishing or Hunting
Major Periods
3:35 AM - 6:05 AM2:44 AM - 5:14 AM
Minor Periods
8:28 PM - 9:58 PM11:25 AM - 12:55 AM
Action Rating: 2 out of 5
Friday, September 12, 2025
Weather Forecast
Conditions: Moderate rain
Average Temperature: 15.3°C
Average Humidity: 73%
Average Temperature: 15.3°C
Average Humidity: 73%
Chance of Rain: 85%
Wind: 34 mph
UV Index: 0.9
Wind: 34 mph
UV Index: 0.9
Air Quality
AQI:
1 - Good
PM2.5:
7.53 μg/m3
PM10:
36.85 μg/m3
Carbon Monoxide: 255.52 μg/m3
Nitrogen Dioxide: 0.63 μg/m3
Sulphur Dioxide: 0.07 μg/m3
Ozone: 68.28 μg/m3
Nitrogen Dioxide: 0.63 μg/m3
Sulphur Dioxide: 0.07 μg/m3
Ozone: 68.28 μg/m3
Astronomical
Sunrise: 6:56 AM
Sun Transit: 1:20 PM
Sunset: 7:44 PM
Daylight: 12 hrs 48 mins
Sun Transit: 1:20 PM
Sunset: 7:44 PM
Daylight: 12 hrs 48 mins
Moonrise: 9:26 PM
Moon Transit: 5:01 AM
Moonset: 1:25 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Moon Transit: 5:01 AM
Moonset: 1:25 PM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%
Best Times for Fishing or Hunting
Major Periods
4:31 AM - 7:01 AM3:40 AM - 6:10 AM
Minor Periods
8:56 PM - 10:26 PM12:55 AM - 2:25 PM
Action Rating: 3 out of 5
Saturday, September 13, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 15.8°C
Average Humidity: 72%
Average Temperature: 15.8°C
Average Humidity: 72%
Chance of Rain: 88%
Wind: 32 mph
UV Index: 1
Wind: 32 mph
UV Index: 1
Air Quality
AQI:
1 - Good
PM2.5:
13.11 μg/m3
PM10:
23.28 μg/m3
Carbon Monoxide: 244.13 μg/m3
Nitrogen Dioxide: 0.37 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 75.92 μg/m3
Nitrogen Dioxide: 0.37 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 75.92 μg/m3
Astronomical
Sunrise: 6:58 AM
Sun Transit: 1:20 PM
Sunset: 7:42 PM
Daylight: 12 hrs 44 mins
Sun Transit: 1:20 PM
Sunset: 7:42 PM
Daylight: 12 hrs 44 mins
Moonrise: 10:05 PM
Moon Transit: 6:00 AM
Moonset: 2:51 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Moon Transit: 6:00 AM
Moonset: 2:51 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM4:39 AM - 7:09 AM
Minor Periods
9:35 PM - 11:05 PM2:21 PM - 3:51 PM
Action Rating: 3 out of 5
Sunday, September 14, 2025
Weather Forecast
Conditions: Moderate rain
Average Temperature: 16.8°C
Average Humidity: 84%
Average Temperature: 16.8°C
Average Humidity: 84%
Chance of Rain: 86%
Wind: 37.4 mph
UV Index: 0.7
Wind: 37.4 mph
UV Index: 0.7
Air Quality
AQI:
1 - Good
PM2.5:
13.29 μg/m3
PM10:
21.08 μg/m3
Carbon Monoxide: 238.79 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 73.77 μg/m3
Nitrogen Dioxide: 1.49 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 73.77 μg/m3
Astronomical
Sunrise: 6:59 AM
Sun Transit: 1:19 PM
Sunset: 7:40 PM
Daylight: 12 hrs 41 mins
Sun Transit: 1:19 PM
Sunset: 7:40 PM
Daylight: 12 hrs 41 mins
Moonrise: 10:59 PM
Moon Transit: 7:01 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Moon Transit: 7:01 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%
Best Times for Fishing or Hunting
Major Periods
6:31 AM - 9:01 AM5:40 AM - 8:10 AM
Minor Periods
10:29 PM - 11:59 PM3:36 PM - 5:06 PM
Action Rating: 3 out of 5
The times presented here are based upon the solunar theory, which is the idea that the movements of
fish and other animals are affected by the location of the sun and moon. The major periods are
believed to be the times of the greatest animal activity and occur when the moon is directly
overhead or underfoot (lunar transits). The minor periods also see increased activity and
occur when the moon is rising or setting. The strongest activity occurs during full or new moons,
and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.
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