Water Temperature of the Celtic Sea Near Sennen, England

Current Water Temperature

13.9°C 57.0°F
Cold Thermal Gear Required
13.9°C
Frigid < 10°C
Cold 10°–15°
Cool 16°–21°
Comfortable 21°–27°
Warm 27°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Wednesday, November 11, 2026, 12:00 PM GMT

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 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

12.9°C
Overcast
Conditions: Overcast
Humidity: 87%
Feels Like: 9.4°C
Wind: E 15.7 mph
Wind Gusts: 20.1 mph
Pressure: 29.57 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 4.3 mi
UV Index: 0.1

Weather Forecast

Light Drizzle
Wed
H: 13°C
L: 12°C
Overcast
Thu
H: 12°C
L: 9°C
Overcast
Fri
H: 12°C
L: 9°C
Overcast
Sat
H: 12°C
L: 10°C
Light Drizzle
Sun
H: 14°C
L: 12°C

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
6.4 μg/m³
Good
PM10
12.3 μg/m³
Good
Ozone (O3)
39 μg/m³
Photochemical
NO2
9.5 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
199 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 15m daylight
Sunrise 7:31 AM
Solar Noon 12:08 PM
Sunset 4:46 PM
Moon
New • 2%
Moonrise 10:18 AM
Transit 1:53 PM
Moonset 5:26 PM

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
1:23 PM - 3:53 PM

Minor Periods

9:48 AM - 11:18 AM
4:56 PM - 6:26 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 12.7°C
Average Humidity: 91%
Chance of Rain: 78%
Wind: 21 mph
UV Index: 0.5

Air Quality

EPA Index 1 • Good
PM2.5
5.6 μg/m³
Good
PM10
11.4 μg/m³
Good
Ozone (O3)
44.6 μg/m³
Photochemical
NO2
9.2 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
163.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 15m daylight
Sunrise 7:31 AM
Solar Noon 12:08 PM
Sunset 4:46 PM
Moon
New • 2%
Moonrise 10:18 AM
Transit 1:53 PM
Moonset 5:26 PM

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
1:23 PM - 3:53 PM

Minor Periods

9:48 AM - 11:18 AM
4:56 PM - 6:26 PM
Action Rating:
Very Good 4/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 10.9°C
Average Humidity: 69%
Chance of Rain: 22%
Wind: 28.2 mph
UV Index: 0.8

Air Quality

EPA Index 1 • Good
PM2.5
6 μg/m³
Good
PM10
14.5 μg/m³
Good
Ozone (O3)
67.9 μg/m³
Photochemical
NO2
3 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
160.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 12m daylight
Sunrise 7:32 AM
Solar Noon 12:08 PM
Sunset 4:44 PM
Moon
Waxing Crescent • 6%
Moonrise 11:14 AM
Transit 2:44 PM
Moonset 6:16 PM

Best Times for Fishing or Hunting

Major Periods

1:48 AM - 4:18 AM
2:14 PM - 4:44 PM

Minor Periods

10:44 AM - 12:14 PM
5:46 PM - 7:16 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 9.7°C
Average Humidity: 58%
Chance of Rain: 2%
Wind: 19.7 mph
UV Index: 0.9

Air Quality

EPA Index 1 • Good
PM2.5
2.3 μg/m³
Good
PM10
6.2 μg/m³
Good
Ozone (O3)
75.2 μg/m³
Photochemical
NO2
2.4 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
151.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 9m daylight
Sunrise 7:34 AM
Solar Noon 12:08 PM
Sunset 4:43 PM
Moon
Waxing Crescent • 13%
Moonrise 11:59 AM
Transit 3:35 PM
Moonset 7:16 PM

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
3:05 PM - 5:35 PM

Minor Periods

11:29 AM - 12:59 PM
6:46 PM - 8:16 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 11°C
Average Humidity: 64%
Chance of Rain: 37%
Wind: 21 mph
UV Index: 1.8

Air Quality

EPA Index 1 • Good
PM2.5
3.1 μg/m³
Good
PM10
9.4 μg/m³
Good
Ozone (O3)
76.8 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
149.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 6m daylight
Sunrise 7:36 AM
Solar Noon 12:08 PM
Sunset 4:42 PM
Moon
Waxing Crescent • 21%
Moonrise 12:33 PM
Transit 4:24 PM
Moonset 8:23 PM

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:54 PM - 6:24 PM

Minor Periods

12:03 PM - 1:33 PM
7:53 PM - 9:23 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 12.9°C
Average Humidity: 78%
Chance of Rain: 77%
Wind: 26.4 mph
UV Index: 0.4

Air Quality

EPA Index 2 • Moderate
PM2.5
11.6 μg/m³
Good
PM10
20.1 μg/m³
Good
Ozone (O3)
84.2 μg/m³
Photochemical
NO2
0.6 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
141.1 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 3m daylight
Sunrise 7:37 AM
Solar Noon 12:09 PM
Sunset 4:40 PM
Moon
Waxing Crescent • 31%
Moonrise 12:59 PM
Transit 5:11 PM
Moonset 9:33 PM

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
4:41 PM - 7:11 PM

Minor Periods

12:29 PM - 1:59 PM
9:03 PM - 10:33 PM
Action Rating:
Good Action 3/5
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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