Water Temperature of the Celtic Sea Near Sennen, England

Current Water Temperature

17.0°C

Measurement Time: Thursday, July 31, 2025, 12:00 AM BST

Temperature Locations

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Local Points of Interest

Isles of Scilly; Celtic Sea

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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

17.8°C
Overcast
Conditions: Overcast
Humidity: 94%
Feels Like: 17.8°C
Wind: W 15.7 mph
Wind Gusts: 22.9 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 18°C
L: 18°C
Patchy rain nearby
Fri
H: 17°C
L: 16°C
Sunny
Sat
H: 17°C
L: 17°C
Overcast
Sun
H: 18°C
L: 17°C
Partly Cloudy
Mon
H: 19°C
L: 18°C

Air Quality

PM2.5: 6.48 μg/m3
PM10: 19.8 μg/m3
Carbon Monoxide: 203.5 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:30 PM
Sunset: 9:08 PM
Daylight: 15 hrs 16 mins
Moonrise: 1:32 PM
Moon Transit: 6:32 PM
Moonset: 12:08 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

5:12 PM - 7:42 PM
6:02 PM - 8:32 PM

Minor Periods

1:02 PM - 2:32 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 31, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 17.8°C
Average Humidity: 91%
Chance of Rain: 88%
Wind: 16.3 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 6.86 μg/m3
PM10: 18.47 μg/m3
Carbon Monoxide: 257.82 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 55.68 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:30 PM
Sunset: 9:08 PM
Daylight: 15 hrs 16 mins
Moonrise: 1:32 PM
Moon Transit: 6:32 PM
Moonset: 12:08 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

5:12 PM - 7:42 PM
6:02 PM - 8:32 PM

Minor Periods

1:02 PM - 2:32 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, August 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 16.5°C
Average Humidity: 73%
Chance of Rain: 86%
Wind: 20.4 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 22.82 μg/m3
Carbon Monoxide: 279.57 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 66.04 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:30 PM
Sunset: 9:07 PM
Daylight: 15 hrs 13 mins
Moonrise: 2:44 PM
Moon Transit: 7:15 PM
Moonset: 12:22 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:55 PM - 8:25 PM
6:45 PM - 9:15 PM

Minor Periods

2:14 PM - 3:44 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, August 2, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 17.1°C
Average Humidity: 77%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 17.51 μg/m3
PM10: 24.41 μg/m3
Carbon Monoxide: 277.2 μg/m3
Nitrogen Dioxide: 0.81 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 69.64 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:30 PM
Sunset: 9:05 PM
Daylight: 15 hrs 10 mins
Moonrise: 3:56 PM
Moon Transit: 8:01 PM
Moonset: 12:38 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

6:41 PM - 9:11 PM
7:31 PM - 10:01 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 17.9°C
Average Humidity: 94%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 21.92 μg/m3
PM10: 30.06 μg/m3
Carbon Monoxide: 299.13 μg/m3
Nitrogen Dioxide: 0.64 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:30 PM
Sunset: 9:04 PM
Daylight: 15 hrs 7 mins
Moonrise: 5:07 PM
Moon Transit: 8:50 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

7:30 PM - 10:00 PM
8:20 PM - 10:50 PM

Minor Periods

4:37 PM - 6:07 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 18°C
Average Humidity: 92%
Chance of Rain: 0%
Wind: 24.2 mph
UV Index: 5

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:30 PM
Sunset: 9:02 PM
Daylight: 15 hrs 4 mins
Moonrise: 6:14 PM
Moon Transit: 9:42 PM
Moonset: 12:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

8:21 PM - 10:51 PM
9:12 PM - 11:42 PM

Minor Periods

5:44 PM - 7:14 PM
12:00 AM - 12:00 AM

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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